Citation: Xiu Feng Shi, Bao Ping Shi, Bin Bin Fan, Rui Feng Li. Liquid-phase epoxidation of styrene with O₂ over alkali metal salt impregnated CoAPO-5[J]. Chinese Chemical Letters, ;2012, 23(1): 53-56. doi: 10.1016/j.cclet.2011.09.027 shu

Liquid-phase epoxidation of styrene with O₂ over alkali metal salt impregnated CoAPO-5

a Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China;
b College of Chemical and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030021, China

Received Date: 20 June 2011

Liquid-phase epoxidation of styrene with atmospheric O₂ was conducted over CoAPO-5 molecular sieves. The catalytic performance of CoAPO-5 can be significantly improved by alkali metal salt impregnated on it, and styrene conversion and selectivity to styrene oxide reached 85% and 69% respectively when CsCl was impregnated on it. The catalyst was recyclable and exhibited similar catalytic activity and selectivity even after three catalytic reaction cycles.
- CoAPO-5,
- Styrene epoxidation,
- Oxygen,
- Alkali metal salt
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