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

1986-08-18

1988-06-07

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Sulfur or compound containing same

502167, 502219, B01J 27051, B01J 27047, B01J 3118

Patent

active

047496738

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.

REFERENCES:
patent: 3116234 (1963-12-01), Douwes
patent: 4431747 (1984-02-01), Seiver et al.
patent: 4591429 (1985-05-01), Ho et al.
patent: 4595672 (1986-06-01), Ho et al.

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