Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Ti–Si Mixed Oxides by Non-hydrolytic Sol–Gel Synthesis as Potential Gold Catalyst Supports for Gas-phase Epoxidation of Propylene in H2 and O2
Maohua DaiDingliang TangZhijie LinHongwei YangYouzhu Yuan
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2006 Volume 35 Issue 8 Pages 878-879

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Abstract

The amorphous Ti–Si mixed oxides prepared from chloride precursors using a one-step nonhydrolytic sol–gel route could serve as efficient gold catalyst supports for gas-phase epoxidation of propylene in O2 and H2. A propylene conversion of 6.8% at the initial 60 min and 4.0% after 4 h of time-on-steam, keeping a selectivity to propylene oxide as high as 95%, was obtained over the gold supported on a Ti–Si mixed oxide containing 10 mol % of Ti.

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© 2006 The Chemical Society of Japan
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