Catalyst for selective hydrogenation of olefins and its...

Details Catalyst for selective hydrogenation of olefins and its... Catalyst for selective hydrogenation of olefins and its...

2004-12-21

2010-06-29

Nguyen, Cam N (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

C502S315000, C502S317000, C502S322000, C502S323000, C502S327000, C502S330000, C502S332000, C502S335000, C502S337000, C502S355000, C502S415000, C502S439000

Reexamination Certificate

active

07745372

ABSTRACT:
A catalyst for the selective hydrogenation of olefins especially dienes, its preparation and use, said catalyst comprising an alumina support and cobalt and/or nickel selected from Group VIII, molybdenum and/or tungsten from Group VIB and alkali metal components supported on said support, characterized in that the catalyst contains 0.5-8% by weight of cobalt and/or nickel selected from Group VIII, 2-15% by weight of molybdenum and/or tungsten from Group VIB, over 2-8% by weight of alkali metals, and a balanced amount of alumina support calculated for oxides and based on the catalyst. Compared to the prior catalysts, the activity and selectivity for olefins especially dienes of the catalyst are higher when used in the hydrogenation of a gasoline distillate.

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