Dieses Bild zeigt Weitkamp

Herr Prof. Dr.-Ing.

Jens Weitkamp

Institut für Technische Chemie

Kontakt

+49 711 685-64060

Pfaffenwaldring 55
70569   Stuttgart
Deutschland
Raum: U1.851

:
  1. 2017

    1. S. Lang, M. Benz, U. Obenaus, R. Himmelmann, M. Scheibe, E. Klemm, J. Weitkamp, and M. Hunger, “Mechanisms of the AlCl3 modification of siliceous microporous and mesoporous catalysts investigated by multi-nuclear solid-state NMR,” Topics in catalysis, 2017.
  2. 2016

    1. S. C. C. Wiedemann, Z. Ristanovic, G. T. Whiting, V. R. R. Marthala, J. Kaerger, J. Weitkamp, B. Wels, P. C. A. Bruijnincx, and B. M. Weckhuysen, “Large Ferrierite Crystals as Models for Catalyst Deactivation during   Skeletal Isomerisation of Oleic Acid: Evidence for Pore Mouth Catalysis,” CHEMISTRY-A EUROPEAN JOURNAL, vol. 22, no. 1, pp. 199–210, 2016.
  3. 2015

    1. T. Titze, C. Chmelik, J. Kullmann, L. Prager, E. Miersemann, R. Gläser, D. Enke, J. Weitkamp, and J. Kärger, “Microimaging transienter Konzentrationsprofile von Raktant- und Produktmolekülen während einer katalytischen Umwandlung in nanoporösen Materialien,” Angewandte Chemie, vol. 127, no. 17, pp. 5148–5153, 2015.
    2. T. Titze, C. Chmelik, J. Kullmann, L. Prager, E. Miersemann, R. Glaeser, D. Enke, J. Weitkamp, and J. Kaerger, “Microimaging of Transient Concentration Profiles of Reactant and Product   Molecules during Catalytic Conversion in Nanoporous Materials,” ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, vol. 54, no. 17, pp. 5060–5064, 2015.
  4. 2014

    1. J. Kärger, T. Binder, C. Chmelik, F. Hibbe, H. Krautscheid, R. Krishna, and J. Weitkamp, “Microimaging of transient guest profiles to monitor mass transfer in nanoporous materials,” vol. 13, pp. 333–343, 2014.
    2. V. Calemma, M. Ferrari, T. Holl, and J. Weitkamp, “Catalytic ring opening of cyclic hydrocarbons in Diesel fuels,” vol. 40, pp. 77–83, 2014.
  5. 2013

    1. V. Calemma, M. Ferrari, S. Rabl, A. Haas, D. Santi, and J. Weitkamp, “Catalytic ring opening of cyclic hydrocarbons in Diesel fuels,” in Preprints of the DGMK-Conference “New Technologies and Alternative Feedstocks in Petrochemistry and Refining”, October 9 - 11, 2013, Dresden, Germany, Hamburg, 2013, no. 2013,2, pp. 39–50.
    2. M. Dyballa, E. Klemm, J. Weitkamp, and M. Hunger, “Effect of phosphate modification on the Bronsted acidity and methanol-to-olefin conversion activity of Zeolite ZSM-5,” vol. 85, no. 11, pp. 1719–1725, 2013.
    3. D. Santi, T. Holl, V. Calemma, and J. Weitkamp, “High-performance ring-opening catalysts based on iridium-containing zeolite Beta in the hydroconversion of decalin,” Applied catalysis. A, General, vol. 455, pp. 46–57, 2013.
    4. V. Calemma, M. Ferrari, S. Rabl, and J. Weitkamp, “Selective ring opening of naphthenes,” Fuel, vol. 111, pp. 763–770, 2013.
    5. D. Santi, S. Rabl, V. Calemma, M. Dyballa, M. Hunger, and J. Weitkamp, “Effect of noble metals on the strength of Bronsted acid sites in bifunctional zeolites,” vol. 5, no. 6, pp. 1524–1530, 2013.
  6. 2012

    1. G. Bellussi, A. Haas, S. Rabl, D. Santi, M. Ferrari, V. Calemma, and J. weitkamp, “Catalytic ring opening of perhydroindan - hydrogenolytic and cationic reaction paths,” Chinese Journal of Catalysis, vol. 33, no. 1, pp. 70 – 84, 2012.
    2. J. Weitkamp, “Catalytic hydrocracking-mechanisms and versatility of the process,” ChemCatChem, vol. 4, no. 3, pp. 292–306, 2012.
    3. A. Haas, S. Rabl, M. Ferrari, V. Calemma, and J. Weitkamp, “Ring opening of decalin via hydrogenolysis on Ir/- and Pt/silica catalysts,” Applied catalysis. A, General, vol. 425, pp. 97–109, 2012.
  7. 2011

    1. S. Rabl, D. Santi, A. Haas, M. Ferrari, V. Calemma, G. Bellussi, and J. Weitkamp, “Catalytic ring opening of decalin on Ir- and Pt-containing zeolite Y,” Microporous and mesoporous materials, vol. 146, no. 1, pp. 190–200, 2011.
    2. S. Rabl, A. Haas, D. Santi, C. Flego, M. Ferrari, V. Calemma, and J. Weitkamp, “Ring opening of cis-decalin on bifunctional Ir/- and Pt/La-X zeolite catalysts,” Applied catalysis. A, General, vol. 400, no. 1, pp. 131–141, 2011.
    3. F. Hibbe, V. R. Marthala, C. Chmelik, J. Weitkamp, and J. Kärger, “Micro-imaging of transient guest profiles in nanochannels,” vol. 135, no. 18, 2011.
    4. F. Hibbe, J. M. van Baten, R. Krishna, C. Chmelik, J. Weitkamp, and J. Kärger, “In-depth study of mass transfer in nanoporous materials by micro-imaging,” Chemie - Ingenieur - Technik, vol. 83, no. 12, pp. 2211–2218, 2011.
    5. J. Weitkamp, S. Rabl, A. Haas, D. Santi, M. Ferrari, V. Calemma, and G. Bellussi, “Recent progress in the selective catalytic ring opening of decalin,” in Advances in zeolite science and technologies, Naples, 2011, pp. 321–324.
    6. J. Weitkamp, S. Rabl, A. Haas, D. Santi, M. Ferrari, and V. Calemma, “Catalytic ring opening of decalin - bifunctional versus hydrogenolytic pathways,” vol. 37, pp. 94–98, 2011.
  8. 2010

    1. J. Weitkamp, “Catalytic ring opening in aromatic hydrocarbons,” in On catalysis, no. 2, W. Reschetilowski, Ed. Berlin: VWB, Verl. für Wiss. und Bildung, 2010, pp. 162–185.
    2. J. Weitkamp, S. Rabl, A. Haas, M. Ferrari, and V. Calemma, “Catalytic ring opening of decalin - bifunctional versus hydrogenolytic pathways,” in Preprints of the DGMK-Conference “The future role of hydrogen in petrochemistry and energy supply,” Berlin, 2010, no. 2010,3, pp. 77–86.
  9. 2009

    1. J. Silvestre-Albero, A. Sepúlveda-Escribano, F. Rodríguez-Reinoso, V. Kouvelos, G. Pilatos, N. K. Kanellopoulos, M. Krutyeva, F. Grinberg, J. Kärger, A. I. Spjelkavik, M. Stöcker, A. Ferreira, S. Brouwer, F. Kapteijn, J. Weitkamp, S. D. Sklari, V. T. Zaspalis, D. J. Jones, L. C. de Menorval, M. Lindheimer, P. Caffarelli, E. Borsella, A. G. Tomlinson, M. J. G. Linders, J. L. Tempelman, and E. A. Bal, “Characterization measurements of common reference nanoporous materials by gas adsorption (round robin tests),” in Characterisation of Porous Solids VIII, Cambridge, 2009, pp. 9–16.
    2. C. Chmelik, L. Heinke, P. Kortunov, J. Li, D. Olson, D. Tzoulaki, J. Weitkamp, and J. Kärger, “Ensemble measurement of diffusion,” ChemPhysChem, vol. 10, no. 15, pp. 2623–2627, 2009.
    3. J. Weitkamp, “Hydrogen storage in zeolites,” in Fuel cells (solid oxide fuel cells) - Measurement methods, vol. 3, J. Garche, Ed. Amsterdam: Academic Press, 2009, pp. 497–503.
    4. J. Kärger, J. Caro, P. Cool, M.-O. Coppens, D. Jones, F. Kapteijn, F. Rodríguez-Reinoso, M. Stöcker, D. Theodorou, E. F. Vansant, and J. Weitkamp, “Benefit of microscopic diffusion measurement for the characterization of nanoporous materials,” Chemical engineering & technology, vol. 32, no. 10, pp. 1494–1511, 2009.
  10. 2008

    1. R. Gläser and J. Weitkamp, “Ancillary techniques in laboratory units for testing solid catalysts,” 2nd ed., vol. 4, G. Ertl, Ed. Weinheim: Wiley-VCH, 2008, pp. 2045–2053.
    2. J. Weitkamp, “Catalysis in petroleum refining and natural gas processing,” in Catalysis, heterogeneous catalysts - yesterday, today, tomorrow, Ludwigshafen: BASF SE, 2008, pp. 52–59.
    3. J. Weitkamp, “Ring opening of aromatics,” 2nd ed., vol. 7, G. Ertl, Ed. Weinheim: Wiley-VCH, 2008, pp. 3133–3152.
    4. Y. Traa and J. Weitkamp, “Alkylation of isobutane with light alkenes on solid catalysts,” 2nd ed., vol. 6, G. Ertl, Ed. Weinheim: Wiley-VCH, 2008, pp. 2830–2854.
    5. P. W. Albers and J. Weitkamp, “Carbonaceous deposits,” 2nd ed., vol. 2, G. Ertl, Ed. Weinheim: Wiley-VCH, 2008, pp. 1197–1217.
    6. J. Weitkamp, “Katalyse in der Verarbeitung von Erdöl und Erdgas,” in Katalyse, heterogene Katalysatoren - gestern, heute, morgen, Ludwigshafen: BASF SE, 2008, pp. 52–59.
    7. M. Stöcker and J. Weitkamp, “Zeolite standard catalysts and related activities of the International Zeolite Association,” 2nd ed., vol. 1, G. Ertl, Ed. Weinheim: Wiley-VCH, 2008, pp. 715–719.
  11. 2007

    1. S. Altwasser, R. Gläser, and J. Weitkamp, “Ruthenium-containing small-pore zeolites for shape-selective catalysis,” Microporous and mesoporous materials, vol. 104, no. 1, pp. 281–288, 2007.
    2. J. Weitkamp and M. Hunger, “Acid and base catalysis on zeolites,” in Introduction to zeolite science and practice, no. 168, J. Cejka, Ed. Amsterdam: Elsevier, 2007, pp. 787–835.
    3. C. Berger, R. Gläser, and J. Weitkamp, “Synthesis of large crystals of zeolite EMT and zeolite Y with elevated nSi/nAl ratio,” in Studies in surface science and catalysis, Amsterdam, 2007, vol. A, no. 170, pp. 303–310.
    4. Y. Jiang, J. Huang, J. Weitkamp, and M. Hunger, “In situ MAS NMR and UV/Vis spectroscopic studies of hydrocarbon pool compounds and coke deposits formed in the methanol-to-olefin conversion on H-SAPO-34,” in Studies in surface science and catalysis, Amsterdam, 2007, vol. B, no. 170, pp. 1137–1144.
    5. V. Ali, C. Galarraga, J. Hill, M. Oballa, Y. Traa, J. Weitkamp, and P. Pereira-Almao, “Arorincle catalysts for hydrocracking of aromatics,” 2007, vol. 2007, no. 2, pp. 14–17.
    6. Y. Traa, S. Sealy, and J. Weitkamp, “Characterization of the pore size of molecular sieves using molecular probes,” in Molecular sieves, vol. 2, P. Behrens, Ed. Berlin: Springer, 2007, pp. 103–154.
    7. Y. Jiang, J. Huang, V. R. R. Marthala, Y. S. Ooi, J. Weitkamp, and M. Hunger, “In situ MAS NMR-UV/Vis investigation of H-SAPO-34 catalysts partially coked in the methanol-to-olefin conversion under continuous-flow conditions and of their regeneration,” Microporous and mesoporous materials, vol. 105, no. 1, pp. 132 – 139, 2007.
  12. 2006

    1. A. Garsuch, O. Klepel, R. R. Sattler, C. Berger, R. Gläser, and J. Weitkamp, “Synthesis of a carbon replica of zeolite Y with large crystallite size,” Carbon, vol. 44, no. 3, pp. 593–596, 2006.
    2. P. L. De Cola, R. Gläser, and J. Weitkamp, “Non-oxidative propane dehydrogenation over Pt-Zn-containing zeolites,” Applied catalysis. A, General, vol. 306, pp. 85–97, 2006.
    3. P. Kortunov, L. Heinke, S. Vasenkov, C. Chmelik, D. P. Shah, J. Kärger, R. A. Rakoczy, Y. Traa, and J. Weitkamp, “Internal concentration gradients of guest molecules in nanoporous host materials,” vol. 110, pp. 23821–23828, 2006.
    4. J. Kärger, P. Kortunov, S. Vasenkov, L. Heinke, D. B. Shah, R. A. Rakoczy, Y. Traa, and J. Weitkamp, “Unprecedented insight into diffusion by monitoring the concentration of guest molecules in nanoporous host materials,” Angewandte Chemie. International edition, vol. 45, no. 46, pp. 7846–7849, 2006.
    5. J. Kärger, P. Kortunov, S. Vasenkov, L. Heinke, D. B. Shah, R. A. Rakoczy, Y. Traa, and J. Weitkamp, “Ein bisher einmaliger Einblick in die Diffusion durch die Beobachtung der Konzentration von Gastmolekülen in nanoporösen Wirtmaterialien,” Angewandte Chemie, vol. 118, no. 46, pp. 8010–8013, 2006.
    6. P. Krawiec, P. L. De Cola, R. Gläser, J. Weitkamp, C. Weidenthaler, and S. Kaskel, “Oxide foams for the synthesis of high-surface-area vanadium nitride catalysts,” Advanced materials, vol. 18, no. 4, pp. 505–508, 2006.
    7. S. Altwasser, R. Gläser, A. Sulaiman Lo, P. Liu, K. Chao, and J. Weitkamp, “Incorporation of RuO2 nanoparticles into MFI-type zeolites,” Microporous and mesoporous materials, vol. 89, no. 1, pp. 109–122, 2006.
    8. J. Jiao, W. Wang, B. Sulikowski, J. Weitkamp, and M. Hunger, “29Si and 27Al MAS NMR characterization of non-hydrated zeolites Y upon adsorption of ammonia,” Microporous and mesoporous materials, vol. 90, no. 1–3, pp. 246–250, 2006.
  13. 2005

    1. R. Klingmann, R. Josl, Y. Traa, R. Gläser, and J. Weitkamp, “Hydrogenative regeneration of a Pt/La-Y zeolite catalyst deactivated in the isobutane/n-butene alkylation,” Applied catalysis. A, General, vol. 281, no. 1, pp. 215–223, 2005.
    2. P. Kortunov, S. Vasenkov, J. Kärger, R. Valiullin, P. Gottschalk, M. Fé Elía, M. Perez, M. Stöcker, B. Drescher, G. McElhiney, C. Berger, R. Gläser, and J. Weitkamp, “The role of mesopores in intracrystalline transport in USY zeolite,” Journal of the American Chemical Society, vol. 127, no. 37, pp. 13055–13059, 2005.
    3. J. Weitkamp and M. Hunger, “Preparation of zeolites via the dry-gel method,” in Oxide based materials, no. 155, Amsterdam: Elsevier, 2005, pp. 1–12.
    4. J. Weitkamp and M. Hunger, “Preparation of zeolites via the dry-gel synthesis method,” vol. 155, pp. 1–11, 2005.
    5. P. Kortunov, C. Chmelik, J. Kärger, R. A. Rakoczy, D. M. Ruthven, Y. Traa, S. Vasenkov, and J. Weitkamp, “Sorption kinetics and intracrystalline diffusion of methanol in ferrierite,” Adsorption, vol. 11, no. 3, pp. 235–244, 2005.
    6. C. Berger, R. Gläser, R. A. Rakoczy, and J. Weitkamp, “The synthesis of large crystals of zeolite Y re-visited,” Microporous and mesoporous materials, vol. 83, no. 1–3, pp. 333 – 344, 2005.
    7. P. Kortunov, S. Vasenkov, J. Kärger, F. E. M., M. Perez, M. Stöcker, G. K. Papadopoulos, D. Theodorou, B. Drescher, G. McElhiney, B. Bernauer, V. Krystl, M. Kocirik, A. Zikanova, H. Jirglova, C. Berger, R. Gläser, J. Weitkamp, and E. W. Hansen, “Pulsed-field gradient nuclear magnetic resonance study of transport properties of fluid catalytic cracking catalysts,” in Magnetic resonance imaging, 2005, vol. 23, no. 2, pp. 233–237.
    8. J. Jiao, S. S. Ray, W. Wang, J. Weitkamp, and M. Hunger, “Effect of dehydration on the local structure of framework silicon atoms in zeolites Y investigated by solid-state NMR spectroscopy,” Zeitschrift für anorganische und allgemeine Chemie, ZAAC, vol. 631, no. 2–3, pp. 484–490, 2005.
    9. P. Kortunov, S. Vasenkov, J. Kärger, F. E. M., M. Perez, M. Stöcker, G. K. Papadopoulos, D. Theodorou, B. Drescher, G. McElhiney, B. Bernauer, V. Krystl, M. Kocirík, ZikánováA., H. Jirglová, C. Berger, R. Gläser, J. Weitkamp, and E. W. Hansen, “Diffusion in Fluid Catalytic Cracking Catalysts on Various Displacement Scales and Its Role in Catalytic Performance,” Chemistry of Materials, vol. 17, no. 9, pp. 2466–2474, 2005.
    10. S. Altwasser, C. Welker, Y. Traa, and J. Weitkamp, “Catalytic cracking of n-octane on small-pore zeolites,” Microporous and mesoporous materials, vol. 83, no. 1–3, pp. 345–356, 2005.
    11. M. Xu, W. Wang, J. Weitkamp, and M. Hunger, “Dry-gel synthesis of mesoporous MCM-41 materials with modified pore structure,” vol. 219, pp. 877–890, 2005.
  14. 2004

    1. M. Hunger and J. Weitkamp, “Nuclear magnetic resonance,” in In-situ spectroscopy of catalysts, B. M. Weckhuysen, Ed. Stevenson Ranch, Calif.: American Scientific Publishers, 2004, pp. 177–218.
    2. S. Altwasser, A. Raichle, Y. Traa, and J. Weitkamp, “Herstellung galliumhaltiger Katalysatoren durch Festkörperreaktion saurer Zeolithe mit elementarem Gallium,” Chemie - Ingenieur - Technik, vol. 76, no. 1–2, pp. 140–143, 2004.
    3. A. Simon, J. Köhler, P. Keller, J. Weitkamp, A. Buchholz, and M. Hunger, “Phase transformation of zeolites Cs,Na-Y and Cs,Na-X impregnated with cesium hydroxide,” Microporous and mesoporous materials, vol. 68, no. 1–3, pp. 143–150, 2004.
    4. M. Hunger, S. Altwasser, S. Steuernagel, and J. Weitkamp, “Elucidating the dealumination mechanism of zeolite H-Y by solid-state NMR spectroscopy,” in Studies in surface science and catalysis, Amsterdam, 2004, vol. C, no. 154, pp. 3098–3105.
    5. R. Josl, R. Klingmann, Y. Traa, R. Gläser, and J. Weitkamp, “Regeneration of zeolite catalysts deactivated in isobutane/butene alkylation,” Catalysis communications, vol. 5, no. 5, pp. 239–241, 2004.
    6. S. Gomm, R. Gläser, and J. Weitkamp, “In situ investigation of cumene synthesis over dealuminated zeolite catalysts by means of a tapered-element oscillating microbalance,” in Studies in surface science and catalysis, Amsterdam, 2004, vol. C, no. 154, pp. 2125–2132.
    7. S. Altwasser, A. Raichle, Y. Traa, and J. Weitkamp, “Preparation of gallium-containing catalysts by solid-state reaction of acidic zeolites with elemental gallium,” Chemical engineering & technology, vol. 27, no. 12, pp. 1262–1265, 2004.
    8. A. Arnold, M. Hunger, and J. Weitkamp, “Dry-gel synthesis of zeolites AlEU-1 and GaEU-1,” Microporous and mesoporous materials, vol. 67, no. 2–3, pp. 205–213, 2004.
    9. J. Jiao, S. Altwasser, W. Wang, J. Weitkamp, and M. Hunger, “State of aluminum in dealuminated, nonhydrated zeolites Y investigated by multinuclear solid-state NMR spectroscopy,” The Journal of physical chemistry. B, Condensed matter, materials, surfaces, interfaces & biophysical, vol. 108, no. 38, pp. 14305–14310, 2004.
    10. M. Hunger and J. Weitkamp, “In situ magnetic resonance techniques,” in In-situ spectroscopy of catalysts, B. M. Weckhuysen, Ed. Stevenson Ranch, Calif.: American Scientific Publishers, 2004, pp. 177–218.
    11. J. Weitkamp and R. Gläser, “Katalyse,” in Methodische Grundlagen, 5th ed., vol. 1, R. Dittmeyer, Ed. Weinheim: Wiley-VCH, 2004, pp. 645–718.
    12. S. Altwasser, J. Jiao, S. Steuernagel, J. Weitkamp, and M. Hunger, “Elucidating the dealumination mechanism of zeolite H-Y by solid-state NMR spectroscopy,” 2004.
    13. R. Gläser and J. Weitkamp, “The application of zeolites in catalysis,” in Basic principles in applied catalysis, no. 75, M. Baerns, Ed. Berlin: Springer, 2004, pp. 159–212.
    14. I. I. Ivanova, E. B. Pomakhina, I. B. Borodina, A. I. Reborv, W. Wang, J. Weitkamp, and M. Hunger, “An in situ 13C MAS NMR study of the zeolite-catalyzed alkylation of polar aromatics,” in Studies in surface science and catalysis, Amsterdam, 2004, vol. C, no. 154, pp. 2221–2227.
    15. W. Wang, P. L. De Cola, R. Gläser, I. I. Ivanova, J. Weitkamp, and M. Hunger, “Methylation of phenol by methanol on acidic zeolite H-Y investigated by in situ CF MAS NMR spectroscopy,” Catalysis Letters, vol. 94, no. 1, pp. 119–123, 2004.
  15. 2003

    1. C. Berger, A. Raichle, R. A. Rakoczy, Y. Traa, and J. Weitkamp, “Hydroconversion of methylcyclohexane on TEOS-modified H-ZSM-5 zeolite catalysts,” Microporous and mesoporous materials, vol. 59, no. 1, pp. 1–12, 2003.
    2. I. I. Ivanova, E. B. Pomakhina, A. I. Rebrov, W. Wang, M. Hunger, and J. Weitkamp, “Mechanism of aniline methylation on zeolite catalysts investigated by in situ13C NMR spectroscopy,” Kinetics and catalysis, vol. 44, no. 5, pp. 701–709, 2003.
    3. F. Fuder, D. Landwehr, G. Geipel, C. Herkt-Bruns, and J. Weitkamp, “A novel route for converting aromatics into hydrogen via steam reforming,” in Excelling in refining and delivering quality petrochemicals, London, 2003, vol. 3, pp. 395–403.
    4. A. Raichle, Y. Traa, F. Fuder, M. Rupp, and J. Weitkamp, “Improving the yield of ethene in the steamcracker by recycling of pyrolysis gasoline using Pd-, Pt-, Ir-, or Ga-doped zeolites ZSM-5,” vol. 29, no. 29, pp. 33–36, 2003.
    5. R. Gläser and J. Weitkamp, “Supercritical carbon dioxide as a reaction medium for the zeolite-catalyzed alkylation of naphthalene,” Industrial & engineering chemistry research, vol. 42, no. 25, pp. 6294–6302, 2003.
    6. W. Wang, A. Buchholz, A. Arnold, M. Xu, J. Weitkamp, and M. Hunger, “Synthesis of quaternary ammonium cations on acidic zeolite catalysts,” 2003.
    7. Y. Traa, A. Raichle, F. Fuder, M. Rupp, and J. Weitkamp, “A novel process for converting surplus aromatics into a high-value synthetic steamcracker feed,” in Excelling in refining and delivering quality petrochemicals, London, 2003, vol. 3, pp. 243–256.
    8. W. Wang, A. Buchholz, I. I. Ivanova, J. Weitkamp, and M. Hunger, “Synthesis and immobilization of quaternary ammonium cations in acidic zeolites,” vol. 2003, pp. 2600–2601, 2003.
    9. A. Arnold, S. Steuernagel, M. Hunger, and J. Weitkamp, “Insight into the dry-gel synthesis of gallium-rich zeolite GaBeta,” Microporous and mesoporous materials, vol. 62, no. 1–2, pp. 97–106, 2003.
    10. J. Weitkamp, “Katalyse,” Chemie - Ingenieur - Technik, vol. 75, no. 10, pp. 1529–1533, 2003.
    11. S. Altwasser, S. Steuernagel, J. Weitkamp, and M. Hunger, “Influence of the coordination change of aluminum atoms on the Broensted acidity of dealuminated zeolites,” 2003.
    12. A. Raichle, Y. Traa, and J. Weitkamp, “Preparation of a high-quality synthetic steamcracker feedstock from methylcyclohexane on acidic zeolite H-ZSM-5,” in Applied catalysis. B, Environmental, 2003, vol. 41, no. 1–2, pp. 193–205.
  16. 2002

    1. Y. Traa and J. Weitkamp, “Characterization of the pore width of zeolites and related materials by means of molecular probes,” vol. 2, F. Schüth, K. S. W. Sing, and J. Weitkamp, Eds. Weinheim: Wiley-VCH, 2002, pp. 1015–1057.
    2. W. Wang, M. Seiler, I. I. Ivanova, U. Sternberg, J. Weitkamp, and M. Hunger, “Formation and decomposition of N,N,N-trimethylanilinium cations on zeolite H-Y investigated by in situ stopped-flow MAS NMR spectroscopy,” Journal of the American Chemical Society, vol. 124, no. 25, pp. 7548–7554, 2002.
    3. W. Wang, M. Seiler, J. Weitkamp, and M. Hunger, “In situ stopped-flow (SF) MAS NMR investigation of the formation and decomposition of methylanilinium cations on acidic zeolite H-Y,” 2002.
    4. A. Arnold, M. Hunger, and J. Weitkamp, “NMR investigations of the dry gel synthesis of zeolite beta,” 2002.
    5. S. Gomm, R. Gläser, and J. Weitkamp, “In situ observation of coke deposition on zeolite catalysts using a tapered-element oscillating microbalance (TEOM),” Chemical engineering & technology, vol. 25, no. 10, pp. 962–966, 2002.
    6. I. I. Ivanova, O. A. Ponomoreva, E. B. Pomakhina, E. E. Knyazeva, V. V. Yuschenko, M. Hunger, and J. Weitkamp, “Aniline methylation on modified zeolites with acidic, basic and redox properties,” in Impact of zeolites ond other porous materials on the new technologies at the beginning of the new millenium, Amsterdam, 2002, no. 142,A, pp. 659–666.
    7. T. Donauer, R. Gläser, and J. Weitkamp, “Copper-promoted Pt-catalysts for the non-oxidative propane dehydrogenation,” in Proceedings of the DGMK Conference “Chances for Innovative Processes at the Interface Between Refining and Petrochemistry,” Hamburg, 2002, no. 2002,4, pp. 225–232.
    8. J. Weitkamp, U. Rymsa, M. Wark, and G. Schulz-Ekloff, “Preparation of oxide, sulfide and other chalcogenide clusters in molecular sieves,” in Molecular sieves, vol. 1, no. 3, Berlin: Springer, 2002, pp. 337–414.
    9. A. Raichle, Y. Traa, and J. Weitkamp, “Preparation of a synthetic steamcracker feedstock from pyrolysis gasoline on zeolite catalysts,” vol. 118, pp. 83–87, 2002.
    10. A. Raichle, Y. Traa, and J. Weitkamp, “Producing a high-quality synthetic steamcracker feedstock from different aromatic model components of pyrolysis gasoline on bifunctional zeolite catalysts,” Catalysis today, vol. 75, no. 1, pp. 133–139, 2002.
    11. R. A. Rakoczy, M. Breuninger, M. Hunger, Y. Traa, and J. Weitkamp, “Template-free synthesis of zeolite ferrierite and characterization of its acid sites,” Chemical engineering & technology, vol. 25, no. 3, pp. 273–275, 2002.
    12. R. Gläser and J. Weitkamp, “Surface hydrophobicity or hydrophilicity of porous solids,” vol. 1, F. Schüth, K. S. W. Sing, and J. Weitkamp, Eds. Weinheim: Wiley-VCH, 2002, pp. 395–431.
    13. S. Vasenkov, O. Geier, U. Schemmert, J. Kärger, R. A. Rakoczy, and J. Weitkamp, “Application of interference microscopy and Monte Carlo simulations for comparative studies of intracrystalline diffusion in zeolites,” in Fundamentals of adsorption 7, Chiba, 2002, pp. 53–60.
  17. 2001

    1. T. Donauer, R. Gläser, and J. Weitkamp, “Non-oxidative propane dehydrogenation over supported Pt-Zn-catalysts,” in Proceedings of the DGMK Conference “Creating Value from Light Olefins - Production and Conversion,” Hamburg, 2001, no. 2001,4, pp. 203–210.
    2. J. Weitkamp, M. Hunger, and U. Rymsa, “Base catalysis on microporous and mesoporous materials,” Microporous and mesoporous materials, vol. 48, no. 1, pp. 255–270, 2001.
    3. A. Raichle, M. Ramin, D. Singer, M. Hunger, Y. Traa, and J. Weitkamp, “Influence of the aluminum content of zeolite H-ZSM-5 on the conversion of methylcyclohexane into a high-quality synthetic steamcracker feedstock,” Catalysis communications, vol. 2, no. 2, pp. 69–74, 2001.
    4. H. Kath, R. Gläser, and J. Weitkamp, “Beckmann rearrangement of cyclohexanone oxime on MFI-type zeolites,” vol. 24, no. 2, pp. 150–153, 2001.
    5. J. Weitkamp, Y. Traa, and A. Raichle, “Aromaten,” Chemie - Ingenieur - Technik, vol. 73, no. 8, pp. 947–956, 2001.
    6. M. Weihe, M. Hunger, M. Breuninger, H. G. Karge, and J. Weitkamp, “Influence of the nature of residual alkali cations on the catalytic activity of zeolites X, Y, and EMT in their Bronsted acid forms,” Journal of catalysis, vol. 198, no. 2, pp. 256–265, 2001.
    7. A. Arnold, M. Hunger, and J. Weitkamp, “Dry-gel-Synthese von Zeolithen des Typs GaBeta und deren quantitative Charakterisierung mittels NMR-Spektroskopie,” Chemie - Ingenieur - Technik, vol. 73, no. 12, pp. 1588–1592, 2001.
    8. O. Geier, S. Vasenkov, E. Lehmann, J. Kärger, U. Schemmert, R. A. Rakoczy, and J. Weitkamp, “Interference microscopy investigation of the influence of regular intergrowth effects in MFI-type zeolites on molecular uptake,” The journal of physical chemistry. B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry, vol. 105, no. 42, pp. 10217–10222, 2001.
    9. S. Gomm, R. Gläser, and J. Weitkamp, “In-situ-Bestimmung von Koksdepositen auf Zeolithkatalysatoren mittels einer oszillierenden Mikrowaage (TEOM),” Chemie - Ingenieur - Technik, vol. 73, no. 12, pp. 1584–1588, 2001.
    10. M. Hunger and J. Weitkamp, “In-situ-IR-, -NMR-, -EPR- und -UV/Vis-Spektroskopie. Wege zu neuen Erkenntnissen in der heterogenen Katalyse,” vol. 113, pp. 3040–3059, 2001.
    11. A. Raichle, H. Scharl, Y. Traa, and J. Weitkamp, “Producing a synthetic steamcracker feed from cycloalkanes (or aromatics) on various zeolite catalysts,” in Zeolites and mesoporous materials at the dawn of the 21st century, Amsterdam, 2001, no. 135, p. 302.
    12. I. I. Ivanova, E. B. Pomakhina, A. I. Rebrov, M. Hunger, Y. G. Kolyagin, and J. Weitkamp, “Surface species formed during aniline methylation on zeolite H-Y investigated by in situ MAS NMR spectroscopy,” vol. 203, pp. 375–381, 2001.
    13. J. Weitkamp, A. Raichle, and Y. Traa, “Preparation of a synthetic steamcracker feedstock from surplus aromatics,” vol. 436, pp. 45–54, 2001.
    14. I. I. Ivanova, E. B. Pomakhina, A. I. Rebrov, Y. G. Kolyagin, M. Hunger, and J. Weitkamp, “Mechanistic study of aniline methylation over acidic and basic zeolites Y,” in Zeolites and mesoporous materials at the dawn of the 21st century, Amsterdam, 2001, no. 135, p. 232.
    15. S. Ernst, C. Bischof, M. Hartmann, and J. Weitkamp, “Potential and limitations of octane boosting through isomerization of C7 alkanes over bifunctional zeolites,” in Refining, fuels, lubricants and environment, London, 2001, vol. 3, pp. 27–38.
    16. M. Breuninger, C. Berger, R. A. Rakoczy, M. Hunger, and J. Weitkamp, “Cumolsynthese an Zeolithen,” Chemie - Ingenieur - Technik, vol. 73, no. 7, pp. 869–872, 2001.
    17. R. Gläser, H. Kath, and J. Weitkamp, “Beckmann rearrangement of cyclohexanone oxime over mesoporous MCM-41- and MCM-48-type materials,” in Zeolites and mesoporous materials at the dawn of the 21st century, Amsterdam, 2001, no. 135, p. 139.
    18. A. Raichle, Y. Traa, F. Fuder, M. Rupp, and J. Weitkamp, “Haag-Dessau-Katalysatoren zur Ringöffnung von Cycloalkanen,” Angewandte Chemie, vol. 113, no. 7, pp. 1268–1272, 2001.
    19. J. Weitkamp, A. Raichle, and Y. Traa, “Preparation of a synthetic steamcracker feedstock from surplus aromatics on zeolite catalysts,” in Technology and cooperation - a fundamental strategy for Asia’s petroleum industry, Beijing, 2001, pp. 1–15.
    20. A. Raichle, S. Moser, Y. Traa, M. Hunger, and J. Weitkamp, “Gallium-containing zeolites,” Catalysis communications, vol. 2, no. 1, pp. 23–29, 2001.
    21. I. I. Ivanova, E. B. Pomakhina, A. I. Rebrov, Y. G. Kolyagin, M. Hunger, and J. Weitkamp, “Mechanistic study of aniline methylation over acidic and basic zeolites Y,” vol. 135, p. 23–P–12, 2001.
    22. A. Raichle, Y. Traa, F. Fuder, M. Rupp, and J. Weitkamp, “Haag-Dessau catalysts for ring opening of cycloalkanes,” Angewandte Chemie. International Edition, vol. 40, no. 7, pp. 1243–1246, 2001.
    23. A. Raichle, Y. Traa, and J. Weitkamp, “Preparation of a synthetic steamcracker feedstock from pyrolysis gasoline on zeolite catalysts,” in Proceedings of the DGMK Conference “Creating Value from Light Olefins - Production and Conversion,” Hamburg, 2001, no. 2001,4, pp. 49–56.
    24. M. Hunger and J. Weitkamp, “In situ IR, NMR, EPR, and UV/Vis spectroscopy,” vol. 40, pp. 2954–2971, 2001.
    25. W. Wang, M. Seiler, I. I. Ivanova, J. Weitkamp, and M. Hunger, “In situ stopped-flow (SF) MAS NMR spectroscopy,” vol. 2001, pp. 1362–1363, 2001.
    26. O. Geier, S. Vasenkov, E. Lehmann, J. Kärger, R. A. Rakoczy, and J. Weitkamp, “Interference microscopy as a tool of choice for investigating the role of crystal morphology in diffusion studies,” in Zeolites and mesoporous materials at the dawn of the 21st century, Amsterdam, 2001, no. 135, p. 154.
    27. U. Rymsa, M. Hunger, and J. Weitkamp, “Catalytic in situ infrared spectroscopic study of n-butyraldehyde aldol condensation,” in Zeolites and mesoporous materials at the dawn of the 21st century, Amsterdam, 2001, no. 135, p. 235.
    28. J. Weitkamp, R. A. Rakoczy, M. Breuninger, M. Hunger, and Y. Traa, “Templatfreie Synthese von Zeolith Ferrierit und Charakterisierung seiner sauren Zentren,” Chemie - Ingenieur - Technik, vol. 73, no. 8, pp. 1024–1027, 2001.
    29. J. Weitkamp, A. Raichle, and Y. Traa, “Novel zeolite catalysis to create value from surplus aromatics,” vol. 222, pp. 277–297, 2001.
  18. 2000

    1. J. Weitkamp, A. Raichle, Y. Traa, M. Rupp, and F. Fuder, “Direct conversion of aromatics into a synthetic steamcracker feed using bifunctional zeolite catalysts,” vol. 2000, pp. 1133–1134, 2000.
    2. Y. Traa, B. Burger, and J. Weitkamp, “Oscillation of the NOx concentration in its selective catalytic reduction on platinum-containing zeolite catalysts,” in Studies in surface science and catalysis, Amsterdam, 2000, vol. B, no. 130, pp. 1457–1462.
    3. J. Weitkamp, A. Raichle, Y. Traa, M. Rupp, and F. Fuder, “Preparation of a synthetic steamcracker feed from cycloalkanes (or aromatics) on zeolite catalysts,” vol. 2000, pp. 403–404, 2000.
    4. H. Kath, R. Gläser, and J. Weitkamp, “Beckmann-Umlagerung von Cyclohexanonoxim zu Epsilon-Caprolactam an Zeolithen mit MFI-Struktur,” Chemie - Ingenieur - Technik, vol. 72, no. 4, pp. 400–403, 2000.
    5. B. Burger, K. Haas-Santo, M. Hunger, and J. Weitkamp, “Synthesis and characterization of aluminium-rich zeolite ZSM-5,” Chemical engineering & technology, vol. 23, no. 4, pp. 322–324, 2000.
    6. J. Weitkamp, “Zeolites and catalysis,” Solid state ionics, vol. 131, no. 1, pp. 175–188, 2000.
    7. S. Vasenkov, J. Kärger, D. Freude, R. A. Rakoczy, and J. Weitkamp, “Percolation diffusion of guest molecules in NaCaA zeolites,” Journal of molecular catalysis. A, Chemical, vol. 158, no. 1, pp. 373–376, 2000.
    8. M. Hunger, U. Schenk, M. Seiler, and J. Weitkamp, “In situ MAS NMR spectroscopy of surface compounds formed from methanol and from a toluene/methanol mixture on basic zeolite X,” Journal of molecular catalysis. A, Chemical, vol. 156, no. 1, pp. 153–161, 2000.
  19. 1999

    1. A. Raichle, R. A. Rakoczy, Y. Traa, and J. Weitkamp, “Reactions of methylcyclohexane on bifunctional zeolite catalysts,” in Porous materials in environmentally friendly processes, Amsterdam, 1999, no. 125, pp. 433–440.
    2. Y. Traa, B. Burger, and J. Weitkamp, “Zeolite-based materials for the selective catalytic reduction of NOx with hydrocarbons,” Microporous and mesoporous materials, vol. 30, no. 1, pp. 3–41, 1999.
    3. U. Schemmert, J. Kärger, C. Krause, R. A. Rákoczy, and J. Weitkamp, “Monitoring the evolution of intracrystalline concentration,” epl, Europhysical letters, vol. 46, no. 2, pp. 204–210, 1999.
    4. H. Du, R. Klemt, F. Schell, J. Weitkamp, and E. Roduner, “ESR study of Na-Y-supported Pd and Pt ions and clusters,” Warrendale, Pennsylvania, 1999, vol. 4, pp. 2665–2672.
    5. J. Weitkamp, M. Breuninger, H. G. Karge, and M. Hunger, “Peculiarities of Bronsted acid sites in FER-type zeolites,” Warrendale, Pennsylvania, 1999, vol. 4, pp. 2697–2704.
    6. J. Weitkamp and Y. Traa, “Isobutane/butene alkylation on solid catalysts. Where do we stand?,” Catalysis today, vol. 49, no. 1, pp. 193–199, 1999.
    7. U. Schenk, M. Hunger, and J. Weitkamp, “Characterization of basic guest compounds on solid catalysts by 13C CP/MAS NMR spectroscopy of surface methoxy groups,” Magnetic resonance in chemistry, vol. 37, no. 13, pp. S75–S78, 1999.
    8. U. Rymsa, M. Hunger, H. Knözinger, and J. Weitkamp, “Spectroscopic and catalytic characterization of basic zeolites and related porous materials,” in Porous materials in environmentally friendly processes, Amsterdam, 1999, no. 125, pp. 197–204.
    9. U. Schemmert, J. Käer, and J. Weitkamp, “Interference microscopy as a technique for directly measuring intracrystalline transport diffusion in zeolites,” Microporous and mesoporous materials, vol. 32, no. 1, pp. 101–110, 1999.
    10. E. Bosch, S. Huber, J. Weitkamp, and H. Knözinger, “Adsorption of trichloro- and trifluoromethane in Y-zeolites as studied by IR spectroscopy and multinuclear solid-state NMR,” Physical chemistry, chemical physics, vol. 1, no. 4, pp. 579–584, 1999.
    11. U. Schenk, M. Hunger, and J. Weitkamp, “Characterization of basic guest compounds on solid catalysts by 13C CP/MAS NMR spectroscopy of surface methoxy groups,” Magnetic resonance in chemistry, MRC, vol. 37, no. 13, pp. S75–S78, 1999.
    12. Y. Traa, B. Burger, and J. Weitkamp, “Abatement of N2O in the selective catalytic reduction of NOx on platinum zeolite catalysts upon promotion with vanadium,” vol. 1999, pp. 2187–2188, 1999.
    13. Y. Traa and J. Weitkamp, “Kinetics of the methanation of carbon dioxide over ruthenium on titania,” Chemical engineering & technology, vol. 22, no. 4, pp. 291–293, 1999.
    14. R. Gläser and J. Weitkamp, “Alkylation of naphthalene on a zeolite catalyst in supercritical and gaseous rection phases,” in Proceedings of the DGMK Conference “The Future Role of Aromatics in Refining and Petrochemistry,” Hamburg, 1999, no. 99,3, pp. 271–278.
    15. R. Gläser and J. Weitkamp, “Zeolite-catalyzed isopropylation of naphthalene at supercritical reaction conditions,” Warrendale, Pennsylvania, 1999, vol. 2, pp. 1447–1454.
    16. M. Hunger, U. Schenk, B. Burger, and J. Weitkamp, “Influence of guest compounds on the base strength of zeolites Y and X investigated by NMR spectroscopy,” Warrendale, Pennsylvania, 1999, vol. 4, pp. 2503–2510.
    17. S. Wellach, M. Hartmann, S. Ernst, and J. Weitkamp, “Steam reforming of methanol for the production of hydrogen on molecular sieve catalysts,” Warrendale, Pennsylvania, 1999, vol. 2, pp. 1409–1416.
    18. M. Hunger, U. Schenk, M. Breuninger, R. Gläser, and J. Weitkamp, “Characterization of the acid sites in MCM-41-type materials by spectroscopic and catalytic techniques,” Microporous and mesoporous materials, vol. 27, no. 2, pp. 261–271, 1999.
    19. R. A. Rakoczy, S. Ernst, M. Hartmann, Y. Traa, and J. Weitkamp, “Synthesis of large molecular sieve crystals with the AFI (AlPO4-5) topology,” Catalysis today, vol. 49, no. 1, pp. 261–266, 1999.
    20. J. Weitkamp, S. Ernst, and L. Puppe, “Shape-selective catalysis in zeolites,” in Catalysis and zeolites, J. Weitkamp, Ed. Berlin: Springer, 1999, pp. 327–376.
    21. B. Burger, K. Haas-Santo, M. Hunger, and J. Weitkamp, “Synthese und Charakterisierung von aluminiumreichen ZSM-5-Zeolithen,” Chemie - Ingenieur - Technik, vol. 71, no. 7, pp. 732–735, 1999.
  20. 1998

    1. M. Hunger, U. Schenk, and J. Weitkamp, “Mechanistic studies of the side-chain alkylation of toluene with methanol on basic zeolites Y by multi-nuclear NMR spectroscopy,” Journal of molecular catalysis. A, Chemical, vol. 134, no. 1, pp. 97–109, 1998.
    2. M. Hunger, T. Horvath, and J. Weitkamp, “Methyl tertiary-butyl ether synthesis on zeolite HBeta investigated by in situ MAS NMR spectroscopy under continuous-flow conditions,” Microporous and mesoporous materials, vol. 22, no. 1, pp. 357–367, 1998.
    3. R. Gläser, R. Li, M. Hunger, S. Ernst, and J. Weitkamp, “Zeolite HNU-87,” Catalysis letters, vol. 50, no. 3, pp. 141–148, 1998.
    4. J. Stelzer, M. Paulus, M. Hunger, and J. Weitkamp, “Hydrophobic properties of all-silica zeolite beta,” Microporous and mesoporous materials, vol. 22, no. 1, pp. 1–8, 1998.
    5. Y. Traa and J. Weitkamp, “Kinetik der Methanisierung von Kohlendioxid an Ruthenium auf Titandioxid,” Chemie - Ingenieur - Technik, vol. 70, no. 11, pp. 1428–1430, 1998.
  21. 1997

    1. Y. Traa, M. Breuninger, B. Burger, and J. Weitkamp, “Oscillation of NOx concentration in the selective catalytic reduction of nitrogen oxides on platinum-containing zeolite catalysts,” Angewandte Chemie. International edition, vol. 36, no. 19, pp. 2113–2114, 1997.
    2. W. Keim, B. Lücke, and J. Weitkamp, “C4 chemistry - manufacture and use of C4 hydrocarbons,” in Tagungsbericht / Deutsche Wissenschaftliche Gesellschaft für Erdöl, Erdgas und Kohle, Essen, 1997, vol. 1, no. 97,2, p. 328.
    3. M. Hunger, U. Schenk, B. Burger, and J. Weitkamp, “Synergism between the guest compound and the host framework in zeolite Cs,Na-Y after impregnation with cesium hydroxide,” vol. 36, no. 22, pp. 2504–2506, 1997.
    4. M. Hunger, U. Schenk, B. Burger, and J. Weitkamp, “Synergism between the guest compound and the host framework in zeolite Cs,Na-Y after impregnation with cesium hydroxide,” vol. 36, pp. 2504–2506, 1997.
    5. R. Gläser, R. Roesky, T. Boger, G. Eigenberger, S. Ernst, and J. Weitkamp, “Probing the hydrophobic properties of MCM-41-type materials by the hydrophobicity index,” in Studies in surface science and catalysis, Amsterdam, 1997, vol. A, no. 105, pp. 695–702.
    6. J. Weitkamp, H. Knözinger, J. Kärger, and S. Ernst, “Herstellung, physikalisch-chemische Charakterisierung und katalytische Testung von basischen Zeolith-Katalysatoren,” in Bericht über Statusseminar Katalyse, 1997, pp. 251–268.
    7. J. Weitkamp, S. Ernst, E. Roland, and G. F. Thiele, “The modified hydrophobicity index as a novel method for characterizing the surface properties of titanium silicalites,” in Studies in surface science and catalysis, Amsterdam, 1997, vol. A, no. 105, pp. 763–770.
    8. T. Boger, R. Roesky, R. Gläser, S. Ernst, G. Eigenberger, and J. Weitkamp, “Influence of the aluminum content on the adsorptive properties of MCM-41,” Microporous materials, vol. 8, no. 1, pp. 79–91, 1997.
    9. J. Weitkamp and Y. Traa, “Alkylation of isobutane with alkenes on solid catalysts,” vol. 4, G. Ertl, Ed. Weinheim: VCH, 1997, pp. 2039–2069.
    10. S. Ernst, M. Hunger, and J. Weitkamp, “Hydrothermalsynthese und physikalisch-chemische Charakterisierung von Zeolith MCM-58,” Chemie - Ingenieur - Technik, vol. 69, no. 1–2, pp. 77–79, 1997.
    11. H. B. Schwarz, S. Ernst, J. Kärger, B. Knorr, G. Seiffert, R. Q. Snurr, B. Staudte, and J. Weitkamp, “In situ 13C FT PFG NMR study of intracrystalline diffusion during isopropanol conversion in X-type zeolites,” vol. 167, pp. 248–255, 1997.
    12. M. Hunger, T. Horvath, and J. Weitkamp, “Conversion of propan-2-ol on zeolite La,Na-Y investigated by in situ MAS NMR spectroscopy under continuous-flow conditions,” in Studies in surface science and catalysis, Amsterdam, 1997, vol. B, no. 105, pp. 853–860.
    13. M. Hunger, T. Horvath, and J. Weitkamp, “MTBE synthesis on zeolites investigated by in situ NMR spectroscopy,” in Proceedings of the DGMK-Conference “C4 Chemistry - Manufacture and Use of C4 Hydrocarbons”, October 6-8, 1997, Aachen, Germany, Hamburg, 1997, no. 9705, pp. 65–72.
    14. U. Weiß, M. Weihe, M. Hunger, H. G. Karge, and J. Weitkamp, “The induction period in ethylbenzene disproportionation over large-pore zeolites,” in Studies in surface science and catalysis, Amsterdam, 1997, vol. B, no. 105, pp. 973–980.
    15. M. Sigl, S. Ernst, J. Weitkamp, and H. Knözinger, “Characterization of the acid properties of Al-, Ga- and Fe-HZSM-5 by low-temperature FTIR spectroscopy of adsorbed dihydrogen and ethylbenzene disproportionation,” Catalysis letters, vol. 45, no. 1, pp. 27–33, 1997.
    16. J. Weitkamp, S. Ernst, F. Cubero, F. Wester, and W. Schnick, “Nitrido-sodalite Zn6P12N24 as a material for reversible hydrogen encapsulation,” Advanced materials, vol. 9, no. 3, pp. 247–248, 1997.
    17. J. Weitkamp, “Ancillary techniques in laboratory units for catalyst testing,” vol. 3, G. Ertl, Ed. Weinheim: VCH, 1997, pp. 1376–1387.
    18. Y. Traa, M. Breuninger, B. Burger, and J. Weitkamp, “Oszillation der NOx-Konzentration bei der selektiven katalytischen Reduktion von Stickoxiden an platinhaltigen Zeolith-Katalysatoren,” vol. 109, pp. 2207–2208, 1997.
    19. M. Hunger, U. Schenk, B. Burger, and J. Weitkamp, “Synergismus zwischen Gastkomponente und Wirtgerüst im Zeolith CsNaY nach Imprägnierung mit Caesiumhydroxid,” Angewandte Chemie, vol. 109, no. 22, pp. 2613–2616, 1997.
    20. T. Boger, M. Fritz, R. Ascher, S. Ernst, J. Weitkamp, and G. Eigenberger, “Selektive Trennung von p- und m-Xylol an zeolithischen Adsorbentien in der Gasphase,” Chemie - Ingenieur - Technik, vol. 69, no. 4, pp. 475–480, 1997.
  22. 1996

    1. J. Weitkamp and S. Ernst, “Characterization of the surface properties of porous adsorbents and catalysts by the hydrophobicity index,” vol. 96, pp. 82–85, 1996.
    2. R. Q. Snurr, A. Hagen, H. Ernst, H. B. Schwarz, S. Ernst, J. Weitkamp, and J. Kärger, “In SituPFG NMR study of intracrystalline diffusion during ethene conversion in ZSM-5,” Journal of catalysis, vol. 163, no. 1, pp. 130–137, 1996.
    3. J. Weitkamp, S. Ernst, M. Hunger, T. Röser, S. Huber, U. A. Schubert, P. Thomasson, and H. Knözinger, “Solid-state ion exchange of alkali metal cations into zeolite Y,” in Studies in surface science and catalysis, Amsterdam, 1996, vol. B, no. 101, pp. 731–740.
    4. J. Kärger, S. Ernst, D. Freude, T. Mildner, H. B. Schwarz, R. Q. Snurr, and J. Weitkamp, “Catalytic reactions in zeolites studied by in situ PFG NMR and MAS NMR techniques,” in Proceedings of the DGMK Conference Catalysis on Solid Acids and Bases, Hamburg, 1996, no. 96,1, pp. 87–94.
    5. M. Hunger, S. Ernst, S. Steuernagel, and J. Weitkamp, “High-field H MAS NMR investigations of acidic and non-acidic hydroxyl groups in zeolites H-Beta, H-ZSM-5, H-ZSM-58 and H-MCM-22,” Microporous materials, vol. 6, no. 5, pp. 349–353, 1996.
    6. N.-K. Bär, S. Ernst, J. Kärger, H. B. Schwarz, and J. Weitkamp, “Influence of intracrystalline confinement on pulsed field gradient NMR diffusion studies with zeolite crystallites of finite size,” Microporous materials, vol. 6, no. 5, pp. 355–361, 1996.
  23. 1995

    1. J. Weitkamp, U. Weiß, and S. Ernst, “New aspects and trends in zeolite catalysis,” in Catalysis by microporous materials, Amsterdam, 1995, no. 94, pp. 363–380.
    2. M. Hunger, S. Ernst, and J. Weitkamp, “Multinuclear solid-state n.m.r. investigation of zeolite MCM-22,” Zeolites, vol. 15, no. 3, pp. 188–192, 1995.
    3. H. B. chwarz, H. Ernst, S. Ernst, J. Kärger, T. Röser, R. Q. Snurr, and J. Weitkamp, “NMR study of intrinsic diffusion and reaction in CsNaX type zeolites,” Applied catalysis. A, General, vol. 130, no. 2, pp. 227–241, 1995.
    4. H. Koller, B. Burger, A. M. Schneider, G. Engelhardt, and J. Weitkamp, “Location of Na+ and Cs+ cations in CsNaY zeolites studied by 23Na and 133Cs magic-angle spinning nuclear magnetic resonance spectroscopy combined with X-ray structure analysis by Rietveld refinement,” Microporous materials, vol. 5, no. 4, pp. 219–232, 1995.
    5. J. Weitkamp, S. Ernst, T. Bock, A. Kiss, and P. Kleinschmit, “Introduction of noble metals into small-pore zeolites via solid-state ion exchange,” in Catalysis by microporous materials, Amsterdam, 1995, no. 94, pp. 278–285.
    6. J. Weitkamp, M. Fritz, and S. Ernst, “Zeolites as media for hydrogen storage,” International journal of hydrogen energy, vol. 20, no. 12, pp. 967–970, 1995.
    7. H. Ernst, S. Ernst, J. Kärger, T. Röser, H. B. Schwarz, R. Q. Snurr, and J. Weitkamp, “NMR evidence on the role of diffusion in zeolite catalysis,” in Catalysis by microporous materials, Amsterdam, 1995, no. 94, pp. 748–755.
    8. U. Gräser, W. Keim, W. J. Petzny, and J. Weitkamp, “Perspektiven der Petrochemie,” vol. 111, pp. 208–218, 1995.
    9. M. Hunger, G. Engelhardt, and J. Weitkamp, “Solid-state 23Na, 139La, 27Al and 29Si nuclear magnetic resonance spectroscopic investigations of cation location and migration in zeolites LaNaY,” Microporous materials, vol. 3, no. 4, pp. 497–510, 1995.
    10. J. Kärger, W. Keller, H. Pfeifer, S. Ernst, and J. Weitkamp, “Unexpectedly low translational mobility of methane and tetrafluoromethane in the large-pore molecular sieve VPI-5,” Microporous materials, vol. 3, no. 4, pp. 401–408, 1995.
  24. 1994

    1. J. Weitkamp, D. Schmid, M. Fritz, F. Cubero, and S. Ernst, “Wasserstoff-Speicherung in Zeolithen,” in Wasserstoff als Energieträger, Düsseldorf, 1994, pp. 287–301.
    2. J. Weitkamp and S. Ernst, “Large pore molecular sieves: Chapter 5 Catalytic test reactions for probing the pore width of large and super-large pore molecular sieves,” Catalysis today, vol. 19, no. 1, pp. 107–149, 1994.
    3. M. Hunger, G. Engelhardt, and J. Weitkamp, “Cation migration in zeolite LaNa-Y investigated by multinuclear solid-state NMR,” in Zeolites and related microporous materials, Amsterdam, 1994, no. 84, pp. 725–732.
    4. I. Mirsojew, S. Ernst, J. Weitkamp, and H. Knözinger, “Characterization of acid properties of Al- and Ga-HZSM-5 zeolites by low temperature Fourier transform infrared spectroscopy of adsorbed carbon monoxide,” Catalysis letters, vol. 24, no. 3, pp. 235–248, 1994.
    5. H. Klein, H. Fuessa, S. Ernst, and J. Weitkamp, “Localization of naphthalenes in zeolite HZSM-5 by X-ray powder diffraction and molecular mechanics calculation,” Microporous materials, vol. 3, no. 3, pp. 291–304, 1994.
    6. S. Ernst and J. Weitkamp, “Chapter 3 - Synthesis of large pore alumosilicates,” Catalysis today, vol. 19, no. 1, pp. 27–60, 1994.
    7. G. Engelhardt, M. Hunger, H. Koller, and J. Weitkamp, “Exploring cation siting in zeolites by solid-state NMR of quadrupolar nuclei,” in Zeolites and related microporous materials, Amsterdam, 1994, no. 84, pp. 421–428.
    8. H. G. Karge, S. Ernst, U. Weihe, U. Weiß, and J. Weitkamp, “Ethylbenzene disproportionation over large-pore zeolites,” in Zeolites and related microporous materials, Amsterdam, 1994, no. 84, pp. 1805–1812.
    9. S. Unverricht, M. Hunger, S. Ernst, H. G. Karge, and J. Weitkamp, “Zeolite MCM-22 - synthesis, dealumination and structural characterization,” in Zeolites and related microporous materials, Amsterdam, 1994, no. 84, pp. 37–44.
    10. U. Gräser, W. Keim, W. J. Petzny, and J. Weitkamp, “Perspektiven der Petrochemie,” in Proceedings of the DGMK Conference, Leipzig, October 6-7, 1994, Hamburg, 1994, pp. 51–86.
    11. S. Unverricht, S. Ernst, and J. Weitkamp, “Isobutane/1-butene alkylation on zeolites beta and MCM-22,” in Zeolites and related microporous materials, Amsterdam, 1994, no. 84, pp. 1693–1700.
    12. W. Heink, J. Kärger, S. Ernst, and J. Weitkamp, “P.f.g. n.m.r. study of the influence of the exchangeable cations on the self-diffusion of hydrocarbons in zeolites,” Zeolites, vol. 14, no. 5, pp. 320–325, 1994.
  25. 1993

    1. B. Marler, C. Deroche, H. Gies, C. A. Fyfe, H. Grondey, G. T. Kokotailo, Y. Feng, S. Ernst, J. Weitkamp, and D. E. Cox, “The structure of zeolite ZSM-23 (MTT) refined from synchrotron X-ray powder data,” Journal of applied crystallography, vol. 26, no. 5, pp. 636–644, 1993.
    2. J. Weitkamp, “Host/guest chemistry and catalysis in zeolites,” in Proceedings from the Ninth International Zeolite Conference, Montreal, 1992, Boston, 1993, pp. 13–45.
    3. J. Weitkamp and P. A. Jacobs, “Isobutane/1-butene alkylation on pentasil-type zeolite catalysts,” in Studies in surface science and catalysis, Amsterdam, 1993, vol. B, no. 75, pp. 1735–1738.
    4. J. Weitkamp, P. Kleinschmit, A. Kiss, and C. H. Berke, “The hydrophobicity index - a valuable test for probing the surface properties of zeolitic adsorbents or catalysts,” in Proceedings from the Ninth International Zeolite Conference, Montreal, 1992, Boston, 1993, pp. 79–87.
    5. J. Weitkamp, M. Fritz, and S. Ernst, “Zeolites as media for hydrogen storage,” in Proceedings from the Ninth International Zeolite Conference, Montreal, 1992, Boston, 1993, pp. 11–19.
    6. S. Ernst, R. Kumar, and J. Weitkamp, “Hydrothermal transformation of zeolite ZSM-39 into ZSM-23,” in Proceedings from the Ninth International Zeolite Conference, Montreal, 1992, Boston, 1993, pp. 287–295.
    7. R. Schumacher, S. Ernst, and J. Weitkamp, “Separation of gaseous tetrachloroethene/water mixtures by adsorption on zeolites,” in Proceedings from the Ninth International Zeolite Conference, Montreal, 1992, Boston, 1993, pp. 89–96.
    8. J. Weitkamp and R. Schumacher, “Synthesis, dealumination, and physico-chemical characterization of zeolite EMT,” in Proceedings from the Ninth International Zeolite Conference, Montreal, 1992, Boston, 1993, pp. 353–360.
  26. 1992

    1. C. A. Fyfe, H. Grondey, Y. Feng, G. T. Kokotailo, S. Ernst, and J. Weitkamp, “Two-dimensional solid-state 29Si n.m.r. investigation of the three-dimensional bonding connectivities and structure of zeolite ZSM-23,” Zeolites, vol. 12, no. 1, pp. 50–53, 1992.
    2. J. Weitkamp, M. Fritz, and S. Ernst, “Zeolithe als Speichermaterialien für Wasserstoff,” Chemie - Ingenieur - Technik, vol. 64, no. 12, pp. 1106–1109, 1992.
    3. J. Kärger, M. Petzold, H. Pfeifer, S. Ernst, and J. Weitkamp, “Single-file diffusion and reaction in zeolites,” Journal of catalysis, vol. 136, no. 2, pp. 283–299, 1992.
    4. J. Weitkamp, R. Schumacher, and U. Weiß, “Hydrothermalsynthese und Charakterisierung von Zeolith EMT,” Chemie - Ingenieur - Technik, vol. 64, no. 12, pp. 1109–1112, 1992.
    5. J. Kärger, H. Pfeifer, T. Wutscherk, S. Ernst, J. Weitkamp, and J. Fraissard, “Direct observation of intracrystalline transport diffusion in zeolites by xenon-129 NMR,” The journal of physical chemistry, vol. 96, no. 12, pp. 5059–5063, 1992.
    6. J. Weitkamp and S. Ernst, “Isobutane/olefin alkylation of solid catalysts,” in Processing and products, Chichester, 1992, vol. 3, pp. 315–318.
    7. J. Weitkamp, T. Kromminga, and S. Ernst, “Eduktselektive katalytische Hydrierung als Test für die Position von Edelmetallen auf Zeolithen,” Chemie - Ingenieur - Technik, vol. 64, no. 12, pp. 1112–1114, 1992.
  27. 1991

    1. S. Ernst and J. Weitkamp, “Hydrothermalsynthese des Zeoliths ZSM-58 und templatfreie Synthese von Zeolith ZSM-5,” Chemie - Ingenieur - Technik, vol. 63, no. 7, pp. 748–750, 1991.
    2. C. H. Berke, A. Kiss, P. Kleinschmit, and J. Weitkamp, “Der Hydrophobizitäts-Index,” Chemie - Ingenieur - Technik, vol. 63, no. 6, pp. 623–625, 1991.
    3. S. Ernst, M. Schwark, and J. Weitkamp, “Erhöhung der Octanzahl von Leichtbenzin durch Isomerisieren an bifunktionellen Zeolith-Katalysatoren,” in Vorträge der DGMK-Fachbereichstagung C-1-Chemie, Angewandte Heterogene Katalyse, C-4-Chemie, Hamburg, 1991, no. 9101, pp. 181–190.
    4. J. Weitkamp, M. Schwark, and S. Ernst, “Removal of thiophene impurities from benzene by selective adsorption in zeolite ZSM-5,” no. 16, pp. 1133–1134, 1991.
    5. J. Weitkamp, K. Schäfer, and S. Ernst, “Selective adsorption of diastereomers in zeolites,” vol. 1991, pp. 1142–1143, 1991.
    6. S. Ernst and J. Weitkamp, “Oxidative coupling of methane,” in Proceedings of the Natural Gas Conversion Symposium, Amsterdam, 1991, no. 61, pp. 25–31.
    7. J. Weitkamp, S. Ernst, B. Günzel, and W.-D. Deckwer, “Separation of gaseous water/ethanol mixtures by adsorption on hydrophobic zeolites,” Zeolites, vol. 11, no. 4, pp. 314–317, 1991.
    8. A. Katzmarzyk, S. Ernst, J. Weitkamp, and H. Knözinger, “The reduction/oxidation behaviour of MnAPO-5 as studied by ESR spectroscopy,” Catalysis letters, vol. 9, no. 1, pp. 85–90, 1991.
    9. J. Weitkamp, “New directions in zeolite catalysis,” in Catalysis and adsorption by zeolites, Amsterdam, 1991, no. 65, pp. 21–46.
    10. S. Ernst and J. Weitkamp, “Zeolite ZSM-57,” in Catalysis and adsorption by zeolites, Amsterdam, 1991, no. 65, pp. 645–652.
    11. R. Löw, S. Ernst, A. Kiss, P. Kleinschmit, and J. Weitkamp, “Synthese und Charakterisierung der superweitporigen Alumophosphat-Molekularsiebe VPI-5 und AIPO4-8,” Chemie - Ingenieur - Technik, vol. 63, no. 7, pp. 746–748, 1991.
    12. J. Weitkamp and M. Neuber, “Shape-selective reactions of alkylnaphthalenes in zeolite catalysts,” in Chemistry of microporous crystals, Amsterdam, 1991, no. 60, pp. 291–301.
    13. K. Reksten, M. Stöcker, S. Ernst, and J. Weitkamp, “High-resolution electron microscopy investigation of Zeolite ZSM-20,” Micron and microscopica acta, vol. 22, no. 1, pp. 169–170, 1991.
    14. J. Weitkamp and S. Ernst, “Zeolites and their use in petroleum refining,” in Chemicals in the oil industry, P. H. Ogden, Ed. London: Royal Society of Chemistry, 1991, pp. 326–347.
    15. J. Weitkamp, S. Ernst, H.-J. Buysch, and D. Lindner, “Synthesis of piperazine and triethylenediamine using ZSM-5-type zeolite catalysts,” in Catalysis and adsorption by zeolites, Amsterdam, 1991, no. 65, pp. 297–304.
    16. P. Kleinschmit and J. Weitkamp, “Zeolithe - die winzigen Riesen,” vol. 1991, pp. 52–55, 1991.
    17. M. Stöcker, K. Reksten, S. Ernst, and J. Weitkamp, “Hochauflösende elektronenmikroskopische Untersuchungen an Zeolith ZSM-20,” Chemie - Ingenieur - Technik, vol. 63, no. 11, pp. 1130–1132, 1991.
  28. 1990

    1. B. Günzel, C. H. Berke, S. Ernst, J. Weitkamp, and W.-D. Deckwer, “Adsorption von Diolen aus Fermentationsmedien an hydrophobe Zeolithe,” Chemie - Ingenieur - Technik, vol. 62, no. 9, pp. 748–750, 1990.
    2. S. Ernst, D. Lindner, and J. Weitkamp, “Zeolithische Eisen- und Gallosilikate als Katalysatoren für die Synthese von organischen Stickstoffbasen,” in Vorträge der DGMK-Haupttagung 1990 vom 19. bis 21. September in Münster/W, Hamburg, 1990, no. 90,01, pp. 581–592.
    3. M. Stöcker, S. Ernst, H. G. Karge, and J. Weitkamp, “29Si-MAS NMR studies of hydrothermal dealumination of zeolite ZSM-20,” vol. 44, pp. 519–521, 1990.
    4. J. Weitkamp, D. Lindner, and S. Ernst, “Hydrothermalsynthese und Charakterisierung von Zeolith-Katalysatoren für organische Synthesen,” in Veröffentlichung der Vorträge anlässlich des BMFT-Statusseminars “Katalyseforschung”, Berlin, March 1, 1990, Projektträgerschaft Material- und Rohstofforschung, 1990, pp. 49–60.
    5. J. Weitkamp and S. Ernst, “Möglichkeiten und Grenzen des formselektiven Hydrocrackens an Zeolith-Katalysatoren,” in Vorträge der DGMK-Haupttagung 1990 vom 19. bis 21. September in Münster/W, Hamburg, 1990, no. 90,01, pp. 263–273.
    6. J. Weitkamp and S. Ernst, “Factors influencing the selectivity of hydrocracking in zeolites,” in Guidelines for mastering the properties of molecular sieves, New York, 1990, no. 221, pp. 343–354.
  29. 1989

    1. S. Ernst, C. Y. Chen, D. Lindner, and J. Weitkamp, “Synthesis and characterization of B-, Al-, Ga- and Fe-silicates with the ZSM-58 framework,” in Zeolites for the nineties, 1989, pp. 55–56.
    2. V. Fulop, G. Borbely, H. K. Beyer, S. Ernst, and J. Weitkamp, “Physico-chemical characterization and framework topology of zeolite ZSM-20,” Journal of the Chemical Society. Faraday transactions, vol. 85, no. 8, pp. 2127–2139, 1989.
    3. J. Weitkamp and M. Neuber, “Zeolites as catalysts in alkylation,” in Catalysis, concepts and applications, New Delhi, 1989, pp. INV 1–1–INV 1–12.
    4. J. Weitkamp, S. Ernst, and C. Y. Chen, “The spaciousness index,” in Studies in surface science and catalysis, Amsterdam, 1989, vol. B, no. 49, pp. 1115–1129.
    5. J. Weitkamp, C. C. Y., and S. Ernst, “Characterization of zeolites by the spaciousness index,” in Successful design of catalysts, Amsterdam, 1989, no. 44, pp. 343–350.
    6. M. Neuber and J. Weitkamp, “Shape selectivity at the external surface - a useful concept in zeolite catalysis?,” in Zeolites for the nineties, 1989, pp. 425–426.
    7. S. Ernst, R. Kumar, and J. Weitkamp, “Zeolite beta,” in Catalysis, concepts and applications, New Delhi, 1989, pp. OR 11–1–OR 11–11.
    8. S. Ernst, L. Puppe, and J. Weitkamp, “Synthesis and characterization of CoAPO and CoAPSO molecular sieves,” in Studies in surface science and catalysis, Amsterdam, 1989, vol. A, no. 49, pp. 447–458.
    9. J. Weitkamp, M. Schwark, and S. Ernst, “Adsorptive Trennung von 1- und 2-Methylnaphthalin an Zeolithen,” Chemie - Ingenieur - Technik, vol. 61, no. 11, pp. 887–888, 1989.
    10. S. Ernst, J. Weitkamp, J. A. Martens, and P. A. Jacobs, “Synthesis and shape-selective properties of ZSM-22,” Applied catalysis, vol. 48, no. 1, pp. 137–148, 1989.
    11. S. Ernst, R. Kumar, and J. Weitkamp, “Studies on the kinetics of ZSM-23 crystallization,” in Zeolite synthesis, Washington, DC, 1989, no. 398, pp. 560–573.
    12. J. Weitkamp, M. Sakuth, C.-Y. Chen, and S. Ernst, “Dealumination of zeolite beta using (NH4)2SiF6 and SiCl4,” Journal of the Chemical Society. Chemical communications, no. 24, pp. 1908–1910, 1989.
    13. J. Weitkamp, R. Kumar, and S. Ernst, “Zeolith Beta,” Chemie - Ingenieur - Technik, vol. 61, no. 9, pp. 731–733, 1989.
    14. S. Ernst, R. Kumar, and J. Weitkamp, “Synthesis and characterization of pyrrolidine-ZSM-51,” in Zeolites for the nineties, 1989, pp. 45–46.
    15. B. Günzel, J. Weitkamp, S. Ernst, M. Neuber, and W.-D. Deckwer, “Adsorption von Wasser/Alkohol-Gemischen aus der Gasphase an hydrophoben Zeolithen,” Chemie - Ingenieur - Technik, vol. 61, no. 1, pp. 66–67, 1989.
  30. 1988

    1. M. Neuber, H. G. Karge, and J. Weitkamp, “I.R. spectroscopic characterization of zeolite catalysts for the shape selective conversion of polynuclear aromatics,” in Catalysis today, 1988, vol. 3, no. 1, pp. 11–22.
    2. S. Ernst, R. Kumar, M. Neuber, and J. Weitkamp, “Characterization of the effective pore width of molecular sieve solids by means of catalytic test reactions,” in Characterization of porous solids, Amsterdam, 1988, no. 39, pp. 531–540.
    3. S. Ernst, G. T. Kokotailo, R. Kumar, and J. Weitkamp, “Shape-selective catalysis in zeolites ZSM-22 and ZSM-23,” in Catalysis, theory to practice, Ottawa, 1988, pp. 388–395.
    4. J. Weitkamp, “Critical evaluation of catalytic testing of zeolites,” in Innovation in zeolite materials science, Amsterdam, 1988, no. 37, pp. 515–534.
    5. S. Ernst and J. Weitkamp, “Oxidative coupling of methane using zeolite-based catalysts,” in Hydrocarbons - source of energy, Brussels, 1988, pp. 413–421.
    6. M. Neuber, V. Dondur, H. G. Karge, L. Pacheco, S. Ernst, and J. Weitkamp, “Spectroscopic and catalytic characterization of faujasites dealuminated via the (NH4)2SiF6 method,” in Innovation in zeolite materials science, Amsterdam, 1988, no. 37, pp. 461–469.
    7. S. Ernst, G. T. Kokotailo, and J. Weitkamp, “Factors influencing the synthesis of zeolite ZSM-20,” in Innovation in zeolite materials science, Amsterdam, 1988, no. 37, pp. 29–36.
    8. J. Weitkamp, Grundlagen des simultanen katalytischen Entmetallisierens und Entschwefelns von Schwerölen, no. 354. Hamburg: DGMK, 1988.
    9. J. Weitkamp and S. Ernst, “Probing the shape selective properties of zeolites by catalytic hydrocarbon reactions,” Catalysis today, vol. 3, no. 5, pp. 451–457, 1988.
    10. J. Weitkamp and H. Dauns, “Generation of multicomponent gas mixtures in catalytic flow-type units,” Applied catalysis, vol. 38, no. 1, pp. 167–177, 1988.
    11. R. Kumar, S. Ernst, G. T. Kokotailo, and J. Weitkamp, “Probing the shape-selective properties of zeolites ZSM-12 and EU-1 by catalytic test reactions,” in Innovation in zeolite materials science, Amsterdam, 1988, no. 37, pp. 451–459.
    12. J. Weitkamp and S. Ernst, “Shape-selective hydroconversion of hydrocarbons,” in Catalysis 1987, Amsterdam, 1988, no. 38, pp. 367–382.
    13. S. Ernst, R. Kumar, and J. Weitkamp, “Synthesis and catalytic properties of zeolite ZSM-23,” in Catalysis today, 1988, vol. 3, no. 1, pp. 1–10.
  31. 1987

    1. J. Weitkamp, S. Ernst, and R. Kumar, “Zeolith ZSM-12,” Chemie - Ingenieur - Technik, vol. 59, no. 2, pp. 135–137, 1987.
    2. M. Neuber, S. Ernst, H. Geerts, P. J. Grobet, P. A. Jacobs, G. T. Kokotailo, and J. Weitkamp, “Carbonaceous deposits formed on zeolites H-Y, H-ZSM-20 and H-beta during the conversion of polynuclear aromatics,” in Catalyst deactivation 1987, Amsterdam, 1987, no. 34, pp. 567–577.
    3. S. Ernst, P. A. Jacobs, J. A. Martens, and J. Weitkamp, “Synthesis of zeolite ZSM-12 in the system (MTEA)2O-Na2O-SiO2-Al2O3-H2O,” Zeolites, vol. 7, no. 5, pp. 458–462, 1987.
    4. J. Weitkamp and S. Ernst, “Charakterisierung von formselektiven Zeolithen im Routinebetrieb,” in Fortschritte in der Katalyseforschung, 1987, pp. 21–44.
    5. S. Ernst, G. T. Kokotailo, and J. Weitkamp, “Zeolite ZSM-20,” Zeolites, vol. 7, no. 3, pp. 180–182, 1987.
    6. J. Weitkamp and S. Maixner, “Isobutane/butene alkylation on a LaNaY zeolite,” Zeolites, vol. 7, no. 1, pp. 6–8, 1987.
    7. W. W. Irion, A. Marhold, and J. Weitkamp, “Ergebnisse des 12. Welt-Erdöl-Kongresses: Raffinerietechnik und Petrochemie,” vol. 103, pp. 424–429, 1987.
    8. J. Weitkamp and H. Dauns, “Hydrieraktivität und Aciditäbifunktioneller Katalysatoren,” vol. 40, pp. 111–114, 1987.
  32. 1986

    1. S. Maixner, C. Y. Chen, P. J. Grobet, P. A. Jacobs, and J. Weitkamp, “Investigation of carbonaceous deposits on a La-Y zeolite catalyst by CP/MAS-13C-NMR spectroscopy,” in New developments in zeolite science and technology, Tokyo, 1986, no. 28, pp. 693–700.
    2. J. Weitkamp, H. K. Beyer, G. Borbély, V. Cortés-Corberén, and S. Ernst, “Isomorphe Substitution in Zeolithen,” Chemie - Ingenieur - Technik, vol. 58, no. 12, pp. 969–971, 1986.
    3. J. Weitkamp, S. Ernst, H. Dauns, and E. Gallei, “Formselektive Katalyse in Zeolithen,” Chemie - Ingenieur - Technik, vol. 58, no. 8, pp. 623–632, 1986.
    4. H. Dauns and J. Weitkamp, “Modelluntersuchungen zum Isomerisieren und Hydrocracken von Alkan-Gemischen an einem Pd/LaY-Zeolith-Katalysator,” Chemie - Ingenieur - Technik, vol. 58, no. 11, pp. 900–902, 1986.
    5. J. A. Martens, P. A. Jacobs, and J. Weitkamp, “Attempts to rationalize the distribution of hydrocracked products. I qualitative description of the primary hydrocracking modes of long chain paraffins in open zeolites,” Applied catalysis, vol. 20, no. 1, pp. 239–281, 1986.
    6. J. Weitkamp, M. Neuber, S. Ernst, and W. Stober, “Evidence for inhibition of platinum-catalyzed hydrocarbon reactions in Na-ZSM-5,” in Seventh International Zeolite Conference, Tokyo, 1986, pp. 303–304.
    7. J. Weitkamp, S. Ernst, P. A. Jacobs, and H. G. Karge, “ZSM-type and related zeolite catalysts in the disproportionation of ethylbenzene,” vol. 39, pp. 13–18, 1986.
    8. J. Weitkamp, S. Ernst, and R. Kumar, “The spaciousness index,” Applied catalysis, vol. 27, no. 1, pp. 207–210, 1986.
    9. H. Dauns, S. Ernst, and J. Weitkamp, “The influence of hydrogen sulfide in hydrocracking of n-dodecane over palladium/faujasite catalysts,” in New developments in zeolite science and technology, Tokyo, 1986, no. 28, pp. 787–794.
    10. H. Dauns and J. Weitkamp, “Modelluntersuchungen zum Isomerisieren und Hydrocracken von Alkan-Gemischen an einem Pd/La-Y-Zeolith-Katalysator,” in Verfahrenstechnik 1985, Düsseldorf, 1986, no. 607, pp. 893–900.
    11. M. Gauß, K. Hedden, and J. Weitkamp, “Hydropyrolyse von Hexadecan mit Wärmezufuhr durch Teilverbrennung,” vol. 39, pp. 501–504, 1986.
    12. H. G. Karge and J. Weitkamp, “Untersuchungen an dealuminierten Mordenit-Katalysatoren,” Chemie - Ingenieur - Technik, vol. 58, no. 12, pp. 946–959, 1986.
    13. J. Weitkamp, S. Ernst, V. Cortés-Corberén, and G. T. Kokotailo, “Zeolite ZSM-20,” in Seventh International Zeolite Conference, Tokyo, 1986, pp. 239–240.
    14. K. Hedden, M. Gauß, R. Rieger, and J. Weitkamp, Hydropyrolyse von Ölen mit Wärmezufuhr durch Teilverbrennung, no. 86,68. Eggenstein-Leopoldshafen: Fachinformationszentrum Energie, Physik, Mathematik GmbH Karlsruhe, 1986.
    15. J. A. Martens, P. A. Jacobs, and J. Weitkamp, “Attempts to rationalize the distribution of hydrocracked products. II. Relative rates of primary hydrocracking modes of long chain paraffins in open zeolites,” Applied catalysis, vol. 20, no. 1, pp. 283–303, 1986.
  33. 1985

    1. J. Leyrer, B. Vielhaber, M. I. Zaki, S. Zhuang, J. Weitkamp, and H. Knözinger, “Structure and surface properties of supported oxides,” in A special double issue containing papers presented at the Workshop on Surface Properties of Oxides, 1985, no. 13,3–4, pp. 301–314.
    2. J. Weitkamp and W. Gerhardt, “Grundlagen der hydrierenden katalytischen Entmetallisierung von Mineralölen,” vol. 38, p. 37, 1985.
    3. S. Ernst and J. Weitkamp, “Hydrocracking of C9 through C11 naphthenes on Pd/La-Y and Pd/H-ZSM-5 zeolites,” in Proceedings of the International Symposium on Zeolite Catalysis, Szeged, 1985, no. N.S., 31, 1/2, pp. 457–466.
    4. J. A. Martens, J. Weitkamp, and P. A. Jacobs, “Primary cracking modes of long-chain paraffinic hydrocarbons in open acid zeolites,” in Catalysis by acids and bases, Amsterdam, 1985, no. 20, pp. 427–436.
    5. J. Weitkamp, W. Gerhardt, and P. A. Jacobs, “Isomerization and hydrocracking of alkanes on Pt/Ce-Y, Pt/La-Y and Pd/La-Y zeolites - bifunctional or metallic catalysis?,” in Proceedings of the International Symposium on Zeolite Catalysis, Szeged, 1985, no. N.S., 31, 1/2, pp. 261–270.
    6. J. Weitkamp and S. Ernst, “Comparison of the reactions of ethylcyclohexane and 2-methylheptane on Pd/La-Y zeolite,” in Catalysis by acids and bases, Amsterdam, 1985, no. 20, pp. 419–426.
    7. K. Hedden and J. Weitkamp, “Thermal hydrocracking of hydrocarbons,” vol. 8, pp. 271–281, 1985.
    8. J. Weitkamp, “Alkylation of hydrocarbons with zeolite catalysts - commercial applications and mechanistic aspects,” in Proceedings of the International Symposium on Zeolite Catalysis, Szeged, 1985, no. N.S., 31, 1/2, pp. 271–290.
  34. 1984

    1. J. Weitkamp, S. Ernst, and H. G. Karge, “Peculiarities in the conversion of naphthenes on bifunctional catalysts,” vol. 37, pp. 457–462, 1984.
    2. J. Weitkamp, “Isomerization and hydrogenolysis of long-chain n-alkanes over Pt/Al2O3,” in Actas do 9.o Simpósio Iberoamericano de Catálise, Lisboa 16 - 21 de julho de 1984, 1984, pp. 1332–1341.
    3. J. Weitkamp, W. Gerhardt, and D. Scholl, “Hydrodemetalation of nickel porphyrins over sulfided and reduced CoO-MoO3/?-Al2O3,” in Catalysis for reactions with synthesis gas, catalysis for upgrading crude oil, studies on the working catalyst, Weinheim, 1984, vol. 2, pp. 269–280.
    4. G. Zürn, K. Kohlhase, K. Hedden, and J. Weitkamp, “Entwicklungen der Raffinerietechnik - Schmieröl, Produktspezifikation, Betriebsführung,” vol. 37, pp. 115–118, 1984.
    5. J. A. Martens, M. Tielen, P. A. Jacobs, and J. Weitkamp, “Estimation of the void structure and pore dimensions of molecular sieve zeolites using the hydroconversion of n-decane,” Zeolites, vol. 4, no. 2, pp. 98–107, 1984.
    6. J. Weitkamp, Grundlagen der hydrierenden katalytischen Entmetallisierung von Mineralölen, no. 281. Hamburg: Deutsche Gesellschaft für Mineralölwissenschaft und Kohlechemie e.V., 1984.
    7. H. G. Karge, Y. Wada, J. Weitkamp, S. Ernst, U. Girrbach, and H. K. Beyer, “A comparative study of pentasil zeolites and dealuminated mordenites as catalysts for the disproportionation of ethylbenzene,” in Catalysis on the energy scene, Amsterdam, 1984, no. 19, pp. 101–111.
    8. J. Weitkamp, P. A. Jacobs, and S. Ernst, “Shape-selective isomerization and hydrocracking of naphthenes over Pt/H-ZSM-5 zeolite,” in Structure and reactivity of modified zeolites, Amsterdam, 1984, no. 18, pp. 279–290.
    9. G. Zürn, K. Kohlhase, K. Hedden, and J. Weitkamp, “Entwicklungen der Raffinerietechnik: Verfahrenstechnik, Verarbeitung von Rohölen, Rückstäen und Schwerölen,” vol. 37, pp. 62–69, 1984.
    10. H. G. Karge, Y. Wada, J. Weitkamp, and P. A. Jacobs, “Disproportionation of ethylbenzene: Reply to guisnet,” Journal of catalysis, vol. 88, no. 1, pp. 251–252, 1984.
    11. J. Weitkamp and H. Dauns, “Eine neue Methode zur Dosierung gasförmiger Mehrkomponenten-Gemische in Strömungsapparaturen,” Chemie - Ingenieur - Technik, vol. 56, no. 12, pp. 929–930, 1984.
    12. K. Hedde, H. Giang toan, H. Lischer, J. T. Nickel, and J. Weitkamp, Thermisches Hydrocracken von Kohlenwasserstoffen. Bonn: Bundesmin. für Forschung u. Technologie, 1984.
  35. 1983

    1. K. Hedden and J. Weitkamp, “Thermisches Hydrocracken von Kohlenwasserstoffen,” Chemie - Ingenieur - Technik, vol. 55, no. 12, pp. 907–914, 1983.
    2. J. Weitkamp and P. A. Jacobs, “Hydroconversion of long-chain n-alkanes on Pt/H-ZSM-5 zeolite,” vol. 28, no. 2, pp. 153–157, 1983.
    3. J. Weitkamp and S. Maixner, “Die Isobutan/Olefin-Alkylierung - Verfahrenstechnik und Reaktionsmechanismus eines Raffinerieprozesses zur Erzeugung klopffester Benzinkomponenten,” vol. 36, pp. 523–529, 1983.
    4. J. Weitkamp, “Gewinnung leichter Kohlenwasserstoffe aus schweren Ölen - Verfahren und Entwicklungen,” in Verfahrenstechnik 1981, Düsseldorf, 1983, no. 470, pp. 96–102.
    5. J. Weitkamp, W. Gerhardt, R. Rigoni, and H. Dauns, “Modelluntersuchungen zum hydrierenden katalytischen Entmetallisieren bei niedrigen Temperaturen,” vol. 36, pp. 569–587, 1983.
    6. J. Weitkamp, P. A. Jacobs, and J. A. Martens, “Isomerization and hydrocracking of C9 through C16 n-alkanes on Pt/HZSM-5 zeolite,” Applied catalysis, vol. 8, no. 1, pp. 123–141, 1983.
    7. H. G. Karge, Z. Sarbak, K. Hatada, J. Weitkamp, and P. A. Jacobs, “Disproportionation of ethylbenzene: A potential test reaction for acidity of bifunctional zeolite catalysts,” Journal of catalysis, vol. 82, no. 1, pp. 236–239, 1983.
  36. 1982

    1. J. Weitkamp, “Entwicklung der Verarbeitungsverfahren für schwere Rohöle und Teersande,” vol. 35, pp. 460–466, 1982.
    2. J. Weitkamp, W. Gerhardt, and H. Dauns, “Hydrierendes Entmetallisieren eines Nickel-Porphyrins an CoMo-Al2O3,” in Compendium 82/83 - Vorträge der 27. DGMK-Haupttagung, Leinfelden-Echterdingen, 1982, pp. 207–208.
    3. J. Weitkamp, “Isomerization of long-chain n-alkanes on a Pt/CaY zeolite catalyst,” Industrial and engineering chemistry. Product research and development, vol. 21, no. 4, pp. 550–558, 1982.
    4. J. Weitkamp, “Fortschritte und Entwicklungstendenzen beim katalytischen Cracken,” vol. 11, pp. 707–712, 1982.
    5. J. Weitkamp, “Gewinnung leichter Kohlenwasserstoffe aus schweren Ölen - Verfahren und Entwicklungen,” Chemie - Ingenieur - Technik, vol. 54, no. 2, pp. 101–107, 1982.
  37. 1981

    1. J. Weitkamp and P. A. Jacobs, “Isomerization and hydrocracking of long-chain alkanes,” vol. 26, pp. 9–13, 1981.
    2. J. Weitkamp, “New evidence for a protonated cyclopropane mechanism in catalytic isomerization of n-alkanes,” in Studies in surface science and catalysis, Tokyo, 1981, vol. B, no. 7,B, pp. 1404–1405.
    3. M. Steijns, G. Froment, P. Jacobs, J. Uytterhaeven, and J. Weitkamp, “Hydroisomerization and hydrocracking. 2. Product distributions from n-decane and n-dodecane,” Industrial and engineering chemistry. Product research and development, vol. 20, no. 4, pp. 654–660, 1981.
    4. P. A. Jacobs, E. G. Derouane, and J. Weitkamp, “Evidence for X-ray-amorphous zeolites,” Journal of the Chemical Society.  Chemical communications, no. 12, pp. 591–593, 1981.
    5. P. A. Jacobs, J. A. Martens, J. Weitkamp, and H. K. Beyer, “Shape-selectivity changes in high-silica zeolites,” Faraday discussions of the Chemical Society, vol. 72, pp. 353–369, 1981.
  38. 1980

    1. P. A. Jacobs, J. B. Uytterhoeven, M. Steijns, G. Froment, and J. Weitkamp, “Hydroisomerization and hydrocracking. 1. Comparison of the reactions of n-decane over ultrastable Y and ZSM-5 zeolites containing platinum,” in Proceedings of the Fifth International Conference on Zeolites, London, 1980, pp. 607–615.
    2. J. Weitkamp and E. Edye, “Stand und Aussichten der Verarbeitungstechnik für Mineralöl und Erdgas,” vol. 33, pp. 16–33, 1980.
    3. J. Weitkamp, “Alkylieren von Isobutan mit 1-Buten an unbehandelten und mit AlCl3 modifizierten Ionenaustauscherharzen,” in Compendium 80/81 / Deutsche Gesellschaft für Mineralölwissenschaft und Kohlechemie e.V., DGMK, Leinfelden-Echterdingen, 1980, pp. 71–72.
    4. K. Hedden, H. Lischer, and J. Weitkamp, “Untersuchungen zum thermischen Hydrocracken mit n-Dodecan als Modellkohlenwasserstoff,” in Compendium 80/81 / Deutsche Gesellschaft für Mineralölwissenschaft und Kohlechemie e.V., DGMK, Leinfelden-Echterdingen, 1980, pp. 73–75.
    5. J. Weitkamp, “Isobutane/butene alkylation on cerium-exchanged X and Y zeolites,” in Catalysis by zeolites, Amsterdam, 1980, no. 5, pp. 65–75.
    6. J. Weitkamp, “Isoalkane/alkene alkylation and alkene oligomerization on zeolites. 1. Time-on-stream effects with isobutane/cis-2-butene on CeY,” in Proceedings of the Fifth International Conference on Zeolites, London, 1980, pp. 858–865.
  39. 1978

    1. J. Weitkamp, “Hydrocracken, Cracken und Isomerisieren von Kohlenwasserstoffen,” vol. 31, pp. 13–22, 1978.
    2. J. Weitkamp and H. Farag, “Isomerization of the methylnonanes and 2-methyloctane on a bifunctional zeolite catalyst,” in Proceedings of the Symposium on Zeolites, Szeged, 1978, no. N.S.,24, pp. 327–333.
    3. J. Weitkamp, “Alkylieren und Polymerisieren bei der Umsetzung flüssiger Gemische aus Isobutan und Buten-(1) an Y-Zeolithen,” in Compendium 78/79 / Deutsche Gesellschaft für Mineralölwissenschaft und Kohlechemie e.V., DGMK, Leinfelden-Echterdingen, 1978, pp. 525–550.
    4. M. Steijns, G. Froment, P. A. Jacobs, J. B. Uytterhoeven, and J. Weitkamp, “Ultrastable zeolites as catalysts for hydrocracking n-decane,” vol. 31, p. 581, 1978.
  40. 1977

    1. J. Weitkamp, “Hydrocracken, Cracken und Isomerisieren von Kohlenwasserstoffen,” in Compendium 77/78 / Deutsche Gesellschaft für Mineralölwissenschaft und Kohlechemie e.V., DGMK, Leinfelden-Echterdingen, 1977, pp. 24–47.
    2. J. Weitkamp and H. Farag, “Katalytisches Isomerisieren langkettiger n-Alkane,” vol. 30, p. 275, 1977.
  41. 1976

    1. J. Weitkamp and H. Farag, “Katalytisches Isomerisieren langkettiger n-Alkane,” in Compendium 76/77 / Deutsche Gesellschaft für Mineralölwissenschaft und Kohlechemie e.V., DGMK, Leinfelden-Echterdingen, 1976, pp. 276–292.
    2. H. Weitkamp, Jens Schulz, “Hydrocracken von n- Paraffinen an Edelmetall/Zeolith-Katalysatoren - Einfluss des Druckes,” in Compendium 74/75 / Deutsche Gesellschaft für Mineralölwissenschaft und Kohlechemie e.V., DGMK, Leinfelden-Echterdingen, 1976, pp. 355–366.
  42. 1975

    1. J. Weitkamp and H. Schulz, “Hydrocracken von n- Paraffinen an Edelmetall/Zeolith-Katalysatoren - Einfluss des Druckes,” vol. 28, p. 37, 1975.
    2. J. Weitkamp, “The influence of chain length in hydrocracking and hydroisomerization of n-alkanes,” Preprints / American Chemical Society, Division of Petroleum Chemistry, vol. 20, pp. 489–507, 1975.
    3. J. Weitkamp and K. Hedden, “Reaktionsablauf beim Hydrocracken von n-Alkanen an Edelmetall/Zeolith-Katalysatoren,” Chemie - Ingenieur - Technik, vol. 47, no. 12, pp. 537–537, 1975.
    4. K. Hedden and J. Weitkamp, “Das Hydrocracken schwerer Erdölfraktionen,” Chemie - Ingenieur - Technik, vol. 47, no. 12, pp. 505–513, 1975.
    5. J. Weitkamp, “The influence of chain length in hydrocracking and hydroisomerization of n-alkanes,” in Hydrocracking and hydrotreating, Washington, DC, 1975, no. 20, pp. 1–27.
  43. 1973

    1. J. Weitkamp and H. Schulz, “Olefinic intermediates in catalytic hydrocracking of paraffins,” Journal of catalysis, vol. 29, no. 2, pp. 361–366, 1973.
    2. H. Schulz, J. Weitkamp, and E. H., “New disproportionation reaction of alicyclic hydrocarbons on bifunctional catalysts in the presence of hydrogen,” Amsterdam, 1973, vol. 2, pp. 1229–1239.
  44. 1972

    1. H. Pichler, H. Schulz, H. O. Reitemeyer, and J. Weitkamp, “Über das Hydrocracken gesättigter Kohlenwasserstoffe,” vol. 25, pp. 494–505, 1972.
    2. H. F. Schulz and J. H. Weitkamp, “Zeolite catalysts - hydrocracking and hydroisomerization of n-dodecane,” Industrial and engineering chemistry. Product research and development, vol. 11, no. 1, pp. 46–53, 1972.
    3. H. Schulz and J. Weitkamp, “The formation of alkanes with quaternary carbon atoms by catalytic hydrocracking,” Preprints / American Chemical Society, Division of Petroleum Chemistry, vol. 17, no. 4, pp. G84–G93, 1972.
  45. 1971

    1. H. Schulz and J. Weitkamp, “Hydrocracking and hydroisomerization of n-dodecane on Pt- and Pd-zeolite catalysts,” Preprints / American Chemical Society, Division of Petroleum Chemistry, vol. 16, no. 1, pp. A102–A115, 1971.