Titanium/silica heterogeneous catalyst regeneration

Details Titanium/silica heterogeneous catalyst regeneration Titanium/silica heterogeneous catalyst regeneration

B - Operations, Transporting

01

J

252/110

B01J 21/20 (2006.01) B01J 38/48 (2006.01) B01J 38/50 (2006.01) B01J 38/52 (2006.01) C07D 301/12 (2006.01)

Patent

CA 2275264

The catalytic activity of a titanium-containing heterogeneous catalyst such as titania-on-silica which has been used to catalyze olefin epoxidation is effectively restored by washing the catalyst with water, alcohol, ether, nitrile, ester, aromatic hydrocarbon, or ketone.

L'invention concerne l'activité catalytique d'un catalyseur hétérogène renfermant du titane, tel du dioxyde de titane sur silice, qui a été utilisé pour catalyser une époxydation d'oléfine; on reconstitue de façon efficace ledit catalyseur par lavage de celui-ci avec de l'eau, un alcool, un éther, un nitrile, un ester, un hydrocarbure aromatique, ou une cétone.

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