Cobalt-molybdenum-alumina desulfurization catalyst

Details Cobalt-molybdenum-alumina desulfurization catalyst Cobalt-molybdenum-alumina desulfurization catalyst

1978-01-03

1979-12-18

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2104, B01J 2388

Patent

active

041794109

ABSTRACT:
Novel, high surface area cobalt-molybdenum-alumina desulfurization catalysts containing 20-30 weight-percent of MoO.sub.3, and being free of X-ray-detectable cobalt molybdate crystallites, are disclosed. A preferred method of preparation thereof involves first comulling boehmite alumina with aqueous ammonium molybdate solution, drying the resulting mixture, then comulling with a soluble cobalt salt and water, thereafter forming the resulting mixture into extrudates, and finally calcining the extrudates under controlled temperature conditions correlated with the molybdenum content of the catalyst so as to preserve adequate surface area and prevent the formation of large crystallites of cobalt molybdate.

REFERENCES:
patent: 2911374 (1959-11-01), Malley et al.

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