Process for the manufacture of lubricating oil

Details Process for the manufacture of lubricating oil Process for the manufacture of lubricating oil

C - Chemistry, Metallurgy

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C10G 45/00 (2006.01) B01J 23/85 (2006.01) B01J 35/10 (2006.01) B01J 37/02 (2006.01) C10G 47/12 (2006.01)

Patent

CA 1104084

K 5340 A B S T R A C T Lubricating oil having a viscosity index above 140 is prepared from slack wax having a nitrogen content below 500 ppmw by hydro- cracking over a fluorine-containing catalyst comprising either nickel and/or cobalt and, in addition, molybdenum, or nickel and tungsten on alumina as the carrier, which catalyst has been prepared from an alumina hydrogel and which catalyst has taken up at least 0.1 %w nitrogen, by previous contact with basic nitrogen compounds present in atmospheric distillation residues of waxy crude oils.

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