Hydrogenation process

Details Hydrogenation process Hydrogenation process

1994-09-20

1996-11-12

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Hydrogenation

208143, 208 18, 585250, 585255, 585275, C10G 4500

Patent

active

055736572

ABSTRACT:
A hydrogenation process for reducing the unsaturation of lubricants uses a catalyst which is based on an ultra-large pore crystalline material. The crystalline material has pores of at least 13 .ANG. diameter arranged in a uniform manner and exhibits unusually large sorption capacity demonstrated by its benzene adsorption capacity of greater than about 15 grams benzene/100 grams (50 torr and 25.degree. C.). A preferred form of the catalyst has a hexagonal structure which exhibits a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 .ANG.. The hydrogenation catalysts based on these materials are capable of reducing the unsaturation in poly alpha olefin lubricants to a low level.

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