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The study of the uncalcined Au catalyst and inorganic salts on direct gas-phase epoxidation of propylene

Paper ID Volume ID Publish Year Pages File Format Full-Text
52461 46875 1952 6 PDF Available
Title
The study of the uncalcined Au catalyst and inorganic salts on direct gas-phase epoxidation of propylene
Abstract

This paper presents the results of the propylene epoxidation in co-presence of hydrogen and oxygen on both dried and calcined Au catalysts, which were prepared by liquid grafting method using Me2Au(acac) as a precursor and trimethylsilylated Ti-MCM-48 as a support. The calcined catalyst shows PO activity at temperatures much higher and wider than the dried one. Addition of inorganic salts greatly modified the catalytic behaviors. CsNO3 could be a promising promoter whereas KBr led to the production of propionaldehyde instead of propylene oxide.

Keywords
Gold catalyst; Propylene epoxidation; Silylation; Promoter; Me2Au(acac)
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The study of the uncalcined Au catalyst and inorganic salts on direct gas-phase epoxidation of propylene
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 12, December 2007, Pages 1947–1952
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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Price after discount Only $4.95
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