Method of softening caked catalyst

Details Method of softening caked catalyst Method of softening caked catalyst

1977-03-24

1979-05-22

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208 48R, 208213, 208216PP, 252411S, B01J 2394, B01J 2120, C10G 2302

Patent

active

041558758

ABSTRACT:
A method of softening or loosening caked catalyst pellets used for the desulfurization of a residual oil regardless of the sizes and shapes of the catalyst pellets and without the need of mechanically crushing the caked catalyst comprising contacting the caked catalyst with a washing oil containing an organic amine and/or ammonia gas absorbed therein.

REFERENCES:
patent: 2370713 (1945-03-01), Carlson
patent: 3284344 (1966-11-01), Demeester
patent: 3505207 (1970-04-01), Haney et al.
patent: 3523887 (1970-08-01), Hanson
patent: 3565820 (1971-02-01), Coons, Jr. et al.
patent: 3859202 (1975-01-01), Brunn et al.
patent: 4031031 (1977-06-01), Yamaguchi et al.

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