Direct Gas-Phase Oxidation of Propylene to Acetone in the Presence of H2 and O2 over Au/TS-1 Catalyst

Author(s): Jinsong Fu, Xiaoming Zhang*, Wuyang Liang, Qian Lei, Bing Sun, Wujun He, Guowei Deng*

Journal Name: Current Organic Synthesis

Volume 17 , Issue 8 , 2020


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Abstract:

A novel process for the preparation of acetone is reported by gas-phase oxidation of propylene in the presence of H2 and O2 with Au supported TS-1 catalyst (Au/TS-1). By elevating the reaction temperature to 280 oC, Au/TS-1 catalyzes 11.6% propylene generating acetone with 70.6% selectivity, and 8.2% acetone in onepass yield. Acetone is originated from propylene oxide isomerization, which is mainly attributed to the surface of the Lewis base and high reaction temperature. Furthermore, small Au nanoparticle size promotes the reaction.

Keywords: Au/TS-1, propylene oxidation, acetone, cumene process, high reaction temperature, isomerization.

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Article Details

VOLUME: 17
ISSUE: 8
Year: 2020
Published on: 17 November, 2020
Page: [685 - 690]
Pages: 6
DOI: 10.2174/1570179417666200615154837

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