Rejuvenation of hydrocarbon synthesis catalyst

Details Rejuvenation of hydrocarbon synthesis catalyst Rejuvenation of hydrocarbon synthesis catalyst

1992-09-24

1994-02-01

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,...

502 31, 502 53, 518700, B01J 2020, B01J 2394, B01J 3810, C07C 2700

Patent

active

052832163

ABSTRACT:
A cobalt- or ruthenium-containing hydrocarbon synthesis catalyst, subjected to short term, reversible, partial deactivation in a slurry synthesis process can be rejuvenated, i.e., at least about 80+% catalyst activity recovery, by treating the catalyst in the presence of liquid hydrocarbons, preferably the slurry hydrocarbons, with hydrogen at elevated temperatures and pressures.

REFERENCES:
patent: 2159140 (1939-05-01), Eckell
patent: 2238726 (1941-04-01), Feisst et al.
patent: 2259961 (1941-10-01), Mydleton
patent: 4892646 (1990-01-01), Venkat
Vannice, M. A., Journal of Catalysis 37, 449-461 (1975).
Emmett, Paul H., Catalysis vol. IV, pp. 103-108, 1956.

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