Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Sulfur or compound containing same
Patent
1986-09-19
1988-05-31
Konopka, Paul E.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Sulfur or compound containing same
502167, 502219, 502221, B01J 27051, B01J 27049, B01J 27047, B01J 3118
Patent
active
047481420
ABSTRACT:
Supported hydroprocessing catalysts comprising a sulfide of trivalent chromium and molybdenum or tungsten which optionally may contain one or more promoter metals such as Co, Fe, Ni and mixture thereof. These catalysts are obtained by compositing a preselected quantity of support material with a precursor salt containing a tetrathiometallate anion of Mo or W and a cation comprising trivalent chromium and, optionally, one or more promoter metals wherein both said trivalent chromium and promoter metal are chelated by 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 catalysts have high selectivity for nitrogen removal. The chromium and promoter metal do not have to be in the same cation.
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Chianelli Russell R.
Ho Teh C.
Jacobson Allan J.
Young Archie R.
Corcoran Edward M.
Dvorak Joseph J.
Exxon Research and Engineering Company
Konopka Paul E.
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