Increasing VI of lube oil by hydrotreating using bulk Ni/Mn/Mo o

Details Increasing VI of lube oil by hydrotreating using bulk Ni/Mn/Mo o Increasing VI of lube oil by hydrotreating using bulk Ni/Mn/Mo o

1991-05-16

1992-06-16

Niebling, John

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208215, 208254H, 502220, C10G 4702, C10G 4508, B01J 27051

Patent

active

051222582

ABSTRACT:
Lube oils of increased VI are prepared by hydrotreating using bulk Ni/Mn/No or Cr/Ni/Mo sulfide catalysts prepared from ligated, e.g., ethylene diamine, metal complexes. In particular the Ni/Mn/Mo sulfide catalyst is prepared from the oxide, precursor with subsequent sulfiding while the Cr/Ni/Mo sulfide catalyst is prepared from the sulfide precursor in the presence of H.sub.2 S/H.sub.2.

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