Dieses Bild zeigt Traa

Frau PD Dr.

Yvonne Traa

Arbeitsgruppenleiterin
Institut für Technische Chemie

Kontakt

+49 711 685-64061

Pfaffenwaldring 55
70569  Stuttgart
Deutschland
Raum: U1.849

:
  1. 2017

    1. T. Montsch, M. Heuchel, Y. Traa, E. Klemm, and C. Stubenrauch, “Selective hydrogenation of 3-Hexyn-1-ol with Pd nanoparticles synthesized via microemulsions,” Applied catalysis. A, General, vol. 539, pp. 19–28, 2017.
  2. 2015

    1. G. Näfe, M. A. Lopez-Martinez, M. Dyballa, M. Hunger, Y. Traa, T. Hirth, and E. Klemm, “Deactivation behavior of alkali-metal zeolites in the dehydration of   lactic acid to acrylic acid,” JOURNAL OF CATALYSIS, vol. 329, pp. 413–424, 2015.
    2. M. Trautmann, S. Lang, and Y. Traa, “Direct liquefaction of lower-rank coals and biocoals with magnetically   separable catalysts as a sustainable route to fuels,” FUEL, vol. 151, pp. 102–109, 2015.
    3. M. Dyballa, U. Obenaus, S. Lang, B. Gehring, Y. Traa, H. Koller, and M. Hunger, “Bronsted sites and structural stabilization effect of acidic low-silica   zeolite A prepared by partial ammonium exchange,” MICROPOROUS AND MESOPOROUS MATERIALS, vol. 212, pp. 110–116, 2015.
  3. 2014

    1. D. Wan Hussin and Y. Traa, “Production of high-octane fuel components by dehydroalkylation of benzene with mixtures of ethane and propane,” Energy & fuels, vol. 28, no. 5, pp. 3352–3356, 2014.
    2. G. Näfe, Y. Traa, T. Hirth, and E. Klemm, “True catalytic behavior of lactic acid dehydration on zeolite Na-Y in the gas phase measured by means of a novel apparatus design,” vol. 144, no. 7, pp. 1144–1150, 2014.
    3. M. Trautmann, A. Löwe, and Y. Traa, “An alternative method for the production of second-generation biofuels,” vol. 16, pp. 3710–3714, 2014.
  4. 2013

    1. M. Trautmann and Y. Traa, “Efficient direct brown coal liquefaction with sulfided Co/SiO2 catalysts,” Energy & fuels, vol. 27, no. 9, pp. 5589–5592, 2013.
    2. M. Trautmann, A. Löwe, and Y. Traa, “Efficient direct coal liquefaction of a premium brown coal catalyzed by cobalt-promoted fumed oxides,” 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. 131–138.
  5. 2012

    1. I. Kley and Y. Traa, “Influence of acid sites on the propene selectivity during propane dehydrogenation on zeolite Pt/Zn,Na-MCM-22,” Microporous and mesoporous materials, vol. 164, pp. 145–147, 2012.
  6. 2010

    1. Y. Traa, “Is a renaissance of coal imminent? - challenges for catalysis,” vol. 46, pp. 2175–2187, 2010.
  7. 2009

    1. S. A. S. Rezai, F. Bauer, U. Decker, and Y. Traa, “Isotopic studies on the dehydroalkylation of toluene with ethane,” Journal of molecular catalysis. A, Chemical, vol. 314, no. 1, pp. 95–101, 2009.
  8. 2008

    1. S. A. Sadat Rezai and Y. Traa, “Dehydroalkylation of toluene with ethane in a packed-bed membrane reactor with a bifunctional catalyst and a hydrogen-selective membrane,” Chemical communications, ChemComm, no. 20, pp. 2382–2384, 2008.
    2. 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.
    3. Y. Traa, “Non-oxidative activation of alkanes,” 2nd ed., vol. 7, G. Ertl, Ed. Weinheim: Wiley-VCH, 2008, pp. 3194–3206.
    4. A. Bressel, T. Donauer, S. Sealy, and Y. Traa, “Influence of aluminum content, crystallinity and crystallite size of zeolite Pd/H-ZSM-5 on the catalytic performance in the dehydroalkylation of toluene with ethane,” Microporous and mesoporous materials, vol. 109, no. 1, pp. 278–286, 2008.
    5. I. Kley, S. A. S. Rezai, and Y. Traa, “Dehydroalkylation of toluene with ethane on zeolites MCM-22 and ZSM-5,” in Zeolites and related materials, Amsterdam, 2008, no. 174, pp. 1119–1122.
    6. S. A. S. Rezai and Y. Traa, “Equilibrium shift in membrane reactors: A thermodynamic analysis of the dehydrogenative conversion of alkanes,” Journal of membrane science, vol. 319, no. 1, pp. 279–285, 2008.
    7. Y. Traa, “The dehydroalkylation of toluene with ethane - an example for the non-oxidative activation of light alkanes,” in Preprints of the Conference “Future Feedstocks for Fuels and Chemicals,” Hamburg, 2008, no. 2008,3, pp. 59–66.
    8. S. Alireza, S. and Rezai, and Y. Traa, “Selectivity enhancement to the exclusive formation of ethyltoluenes and hydrogen during dehydroalkylation of toluene with ethane,” Catalysis letters, vol. 122, no. 1, pp. 91–97, 2008.
  9. 2007

    1. D. Singer, S. A. Sadat Rezai, S. Sealy, and Y. Traa, “Influence of Pressure during the Alkylation of Toluene with Ethane,” Industrial & engineering chemistry research, vol. 46, no. 2, pp. 395–399, 2007.
    2. 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.
    3. 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.
    4. Y. Traa and D. Singer, “Tetraethylorthosilicat-modifizierte Zeolithe als Katalysatoren für die Dehydroalkylierung von Toluol mit Ethan,” Chemie - Ingenieur - Technik, vol. 79, no. 6, pp. 878–882, 2007.
  10. 2006

    1. 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.
    2. 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.
    3. 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.
  11. 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, 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.
    3. Y. Traa, H. Fingerle, and B. Gehring, “Von der Mutterlauge zum Katalysatorpellet,” Chemie - Ingenieur - Technik, CIT, vol. 77, no. 3, pp. 228–230, 2005.
    4. 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.
    5. S. Sealy, D. Singer, and Y. Traa, “Direct alkylation of toluene with ethane,” in Proceedings of the DGMK/SCI-Conference Öxidation and Functionalization: Classical and Alternative Routes and Sources", Hamburg, 2005, no. 2005,2, pp. 245–251.
    6. S. Sealy and Y. Traa, “Direct alkylation of toluene with ethane on bifunctional zeolite catalysts,” Applied catalysis. A, General, vol. 294, no. 2, pp. 273–278, 2005.
  12. 2004

    1. 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.
    2. 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.
    3. 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.
    4. Y. Traa and B. Gehring, “X-ray mapping as a tool to characterize mixtures of large zeolite ZSM-5 crystals with amorphous impurities,” Microporous and mesoporous materials, vol. 75, no. 1–2, pp. 69–71, 2004.
  13. 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. R. A. Rakoczy and Y. Traa, “Nanocrystalline zeolite A: synthesis, ion exchange and dealumination,” Microporous and mesoporous materials, vol. 60, no. 1, pp. 69–78, 2003.
    3. 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.
    4. Y. Traa and D. Singer, “Is the production of hydrogen and propylene from methane and ethylene feasible?,” in Proceedings of the DGMK Conference “Innovation in the Manufacture and Use of Hydrogen,” Hamburg, 2003, no. 2003,2, pp. 229–236.
    5. 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.
    6. Y. Traa, “Entwicklungen und Trends in der Raffinerietechnik,” vol. 119, pp. 82–85, 2003.
    7. 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.
  14. 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. Y. Traa and R. W. Thompson, “Controlled co-crystallization of zeolites A and X,” vol. 12, pp. 496–499, 2002.
    3. 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.
    4. 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.
    5. 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.
  15. 2001

    1. 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.
    2. J. Weitkamp, Y. Traa, and A. Raichle, “Aromaten,” Chemie - Ingenieur - Technik, vol. 73, no. 8, pp. 947–956, 2001.
    3. 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.
    4. J. Weitkamp, A. Raichle, and Y. Traa, “Preparation of a synthetic steamcracker feedstock from surplus aromatics,” vol. 436, pp. 45–54, 2001.
    5. 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.
    6. 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.
    7. A. Raichle, S. Moser, Y. Traa, M. Hunger, and J. Weitkamp, “Gallium-containing zeolites,” Catalysis communications, vol. 2, no. 1, pp. 23–29, 2001.
    8. 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.
    9. 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.
    10. 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.
    11. J. Weitkamp, A. Raichle, and Y. Traa, “Novel zeolite catalysis to create value from surplus aromatics,” vol. 222, pp. 277–297, 2001.
    12. Y. Traa, D. M. Murphy, R. D. Farley, and G. J. Hutchings, “An EPR study on the enantioselective aziridination properties of a CuNaY zeolite,” vol. 3, pp. 1073–1080, 2001.
  16. 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.
  17. 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. 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.
    4. 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.
    5. 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.
    6. Y. Traa, “Selektive katalytische Reduktion von Stickoxiden mit Propen an edelmetallhaltigen Zeolithen,” Grauer, Stuttgart, 1999.
  18. 1998

    1. 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.
  19. 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. J. Weitkamp and Y. Traa, “Alkylation of isobutane with alkenes on solid catalysts,” vol. 4, G. Ertl, Ed. Weinheim: VCH, 1997, pp. 2039–2069.
    3. 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.
  20. 1994

    1. S. Ernst, Y. Traa, and U. Deeg, “Preparation, characterization and catalytic properties of cobalt phthalocyanine encapsulated in zeolite EMT,” in Studies in surface science and catalysis, Amsterdam, 1994, vol. B, no. 84,B, pp. 925–932.