Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Treating with a liquid or treating in a liquid phase,...
Patent
1989-03-29
1990-12-11
Konopka, Paul E.
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Treating with a liquid or treating in a liquid phase,...
208216R, 502 31, 502 54, 502164, 502167, 502168, 502200, 502219, 502220, 502222, B01J 2394, B01J 2392, B01J 3720, C10G 4508
Patent
active
049771175
ABSTRACT:
The invention involves a process comprising regenerating a catalyst comprising (a) a support containing at least one oxide of a metal or metalloid and (b) at least one active metal, said process comprising in a first stage treating said catalyst in the absence of hydrogen with at least one sulfurizing agent comprising a polysulfide of the formula
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patent: 4155875 (1979-05-01), Yamaguchi et al.
patent: 4530917 (1985-06-01), Berrebi
patent: 4719195 (1988-01-01), Toulhoat et al.
patent: 4725569 (1988-02-01), Tuszynski et al.
patent: 4725571 (1988-02-01), Tuszynski
patent: 4740491 (1988-04-01), Wise et al.
Berrebi Georges
Dufresne Pierre
Europeenne de Retraitement de Catalyseurs
Konopka Paul E.
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