Process for the preparation of lubricating base oils

Details Process for the preparation of lubricating base oils Process for the preparation of lubricating base oils

B - Operations, Transporting

01

J

196/132, 252/71,

B01J 23/00 (2006.01) C10G 45/08 (2006.01) C10G 45/62 (2006.01)

Patent

CA 2147986

A process for the preparation of a lubricating base oil comprises contacting a hydrocarbon feed with a catalyst in the pres- ence of hydrogen, which catalyst comprises a hydrogenation component supported on an amorphous silica-alumina carrier having a macroporosity in the range of from 5 % vol. to 40 % vol. The hydrocarbon feed is most preferably a slack wax or a synthetic wax. A preferred catalyst for use in the process comprises a combination of one or more of the metals cobalt, iron and nickel, and one or more of the metals chromium, molybdenum and tungsten an an amorphous silica-alumina carrier having a macroporosity in the range of from 5 % vol. to 50 % vol. This catalyst is especially preferred when hydrocarbon feeds are processed comprising significant amounts of nitrogen- and sulphur-containing compounds.

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