B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/52.I
B01J 27/047 (2006.01) B01J 23/85 (2006.01) B01J 31/18 (2006.01) B01J 37/20 (2006.01) C10G 45/04 (2006.01) C10G 45/08 (2006.01) C10G 49/04 (2006.01)
Patent
CA 1251193
ABSTRACT OF THE DISCLOSURE Self-promoted molybdenum and tungsten sulfide hydrotreating catalysts are prepared by heating one or more water soluble catalyst precursors in a non-oxidizing atmosphere in the presence of sulfur at a temperature of at least about 200°C. The precursors will be one or more compounds of the formula ML (MoyW1-yO4) wherein M is one or more promoter metals selected from the group consisting essentially of Mn, Fe, Co, Ni, Cu, Zn, and mixtures thereof, wherein O<y<l and wherein L is a nitrogen containing, neutral multidentate, chelating ligand. In a preferred embodiment the ligand L will comprise one or more chelating alkyl di or triamines and the non-oxidizing atmosphere will comprise H2S.
491750
Ho Teh C.
Mccandlish Larry E.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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