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

(E-pub Ahead of Print)

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

Journal Name: Current Organic Synthesis

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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 one-pass yield. Acetone 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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(E-pub Ahead of Print)
DOI: 10.2174/1570179417666200615154837
Price: $95

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