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US 6,156,695 AGranted
Nickel molybdotungstate hydrotreating catalysts
AssigneeExxon Research & Engineering Co.
InventorsStuart L. Soled, Sabato Miseo, Roman Krycak, Hilda Vroman, Teh C. Ho, Kenneth L. Riley
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Abstract
A hydrodenitrogenation catalyst is prepared by decomposing a nickel (ammonium) molybdotungstate precursor and sulfiding, either pre-use or in situ, the decomposition product.
Claims17
A mixed metal oxide having the formula
- (Ni).sub.b (MO).sub.c (W).sub.d O.sub.z
- wherein the molar ratio of b:
- (c+d) is 0.5/1 to 3/1;
- the molar ratio of c:d is .gtoreq.0.01/1;
- and z=[2b+6(c+d)]/2.
2 more elements
Dependencies are inferred from the claim text.