Preparation, structure and performance of TS-1 zeolite-coated Au–Pd/TiO2–SiO2 capsule catalyst for propylene epoxidation with oxygen and hydrogen

Preparation, structure and performance of TS-1 zeolite-coated Au–Pd/TiO2–SiO2 capsule... A compact zeolite membrane of TS-1 was crystallized on the surface of Au–Pd/TiO2–SiO2 catalyst pellets by a hydrothermal synthesis method. The synthesized capsule catalyst has a core–shell structure without pinholes and cracks. For the reaction of propylene epoxidation using oxygen and hydrogen, the synthesized capsule catalyst shows much higher propylene conversion and PO yield than those of the conventional physically mixed catalyst with the same composition. The core–shell capsule catalyst provides a tailor-made confined reaction environment, which can be extended to various consecutive reactions as the shell and core components are independent catalysts of different reactions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Preparation, structure and performance of TS-1 zeolite-coated Au–Pd/TiO2–SiO2 capsule catalyst for propylene epoxidation with oxygen and hydrogen

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Publisher
Springer Netherlands
Copyright
Copyright © 2011 by Springer Science+Business Media B.V.
Subject
Chemistry; Inorganic Chemistry ; Catalysis; Physical Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-011-0264-4
Publisher site
See Article on Publisher Site

Abstract

A compact zeolite membrane of TS-1 was crystallized on the surface of Au–Pd/TiO2–SiO2 catalyst pellets by a hydrothermal synthesis method. The synthesized capsule catalyst has a core–shell structure without pinholes and cracks. For the reaction of propylene epoxidation using oxygen and hydrogen, the synthesized capsule catalyst shows much higher propylene conversion and PO yield than those of the conventional physically mixed catalyst with the same composition. The core–shell capsule catalyst provides a tailor-made confined reaction environment, which can be extended to various consecutive reactions as the shell and core components are independent catalysts of different reactions.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jan 29, 2011

References

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