Hydrotreating catalysts comprising supported mixtures of a sulfi

Details Hydrotreating catalysts comprising supported mixtures of a sulfi Hydrotreating catalysts comprising supported mixtures of a sulfi

1984-09-28

1986-11-11

Doll, John

Mineral oils: processes and products

Products and compositions

Lubricating oils

208112, 208215, 208216R, 208254H, 502219, 502220, 502305, 502319, 502321, C10G 7100, C10G 4504

Patent

active

046221280

ABSTRACT:
Supported hydroprocessing catalysts comprising a sulfide of trivalent chromium and Mo, W or mixture thereof are obtained by compositing a preselected quantity of support material with a precursor comprising a mixture of (i) a hydrated oxide of trivalent chromium and (ii) a salt containing a thiometallate anion of Mo or W and a cation comprising the conjugate acid of at least one neutral, nitrogen-containing polydentate ligand and heating the composite in the presence of sulfur and hydrogen in an oxygen-free atmosphere. These compositions have been found to be useful hydrotreating catalysts having nitrogen removal activity superior to that of commercial catalysts derived from cobalt molybdate on alumina.

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