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Generation of protonic acid sites originating from molecular hydrogen over H-ZSM-5

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Abstract

Infrared studies of adsorbed pyridine and OH groups on H-ZSM-5 zeolite demonstrate that protonic acid sites are generated on the surfaces by exposure to molecular hydrogen above 373 K. By evacuation of gas phase hydrogen, the protonic acid sites are eliminated.

Abstract

На основе ИК исследований адсорбированного пиридина и групп ОН демонстрировали, что на поверхности цеолита H-ZSM-5 могут быть генерированы кислые протонные центры с помощью обработки его молекулярным водородом вьше 373 К. Откачка газофазного водорода приводит к исчезновению протонных кислых центров.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Hokkaido University, 060, Sapporo

    Junpei Tsuji, Hideshi Hattori & Hideaki Kita

  2. Department of Chemical Engineering, Faculty of Engineering, Tokyo Institute of Technology, Ookayama, Meguro-Ku, Tokyo, 152

    Kohki Ebitani

Authors
  1. Junpei Tsuji
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  2. Kohki Ebitani
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  3. Hideshi Hattori
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  4. Hideaki Kita
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Tsuji, J., Ebitani, K., Hattori, H. et al. Generation of protonic acid sites originating from molecular hydrogen over H-ZSM-5. React Kinet Catal Lett 48, 17–22 (1992). https://doi.org/10.1007/BF02070061

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  • DOI: https://doi.org/10.1007/BF02070061

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