Carbon-containing molybdenum and tungsten sulfide catalysts

Details Carbon-containing molybdenum and tungsten sulfide catalysts Carbon-containing molybdenum and tungsten sulfide catalysts

B - Operations, Transporting

01

J

252/104, 252/73

B01J 21/18 (2006.01) B01J 27/02 (2006.01) B01J 27/24 (2006.01)

Patent

CA 1248514

ABSTRACT OF THE DISCLOSURE Catalysts comprising a carbon-containing sulfide of molybdenum or tungsten are prepared by contacting, in the presence of sulfur, hydrogen and a hydrocarbon, ammonia and ammonium substituted molyb- date, thiomolybdate, tungstate and thiotungstate salts at a temperature of from about 200-600°C. These catalysts are useful for hydrotreating reactions. In a preferred embodiment, these catalysts will be promoted with certain transition metal sulfides, such as cobalt sulfide, which results in catalysts having greater activity than conventional catalysts such as cobalt- molybdate on alumina.

473896

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