Hydrocarbon synthesis catalyst slurry rejuvenation with gas dise

Details Hydrocarbon synthesis catalyst slurry rejuvenation with gas dise Hydrocarbon synthesis catalyst slurry rejuvenation with gas dise

1997-05-02

1998-10-06

Geist, Gary

Chemistry: fischer-tropsch processes; or purification or recover

Liquid phase fischer-tropsch reaction

502 21, 502 22, 502 53, C07C 2700

Patent

active

058177027

ABSTRACT:
A reversibly deactivated, particulate catalyst in a slurry hydrocarbon synthesis slurry is rejuvenated by circulating the slurry from a slurry body through (i) a gas disengaging zone to remove gas bubbles from the slurry, (ii) a catalyst rejuvenation zone in which a catalyst rejuvenating gas contacts the catalyst in the slurry to rejuvenate it and form a rejuvenated catalyst slurry and, (iii) back into the slurry body. Removing at least a portion of the gas bubbles improves the rejuvenation process.

REFERENCES:
patent: 5260239 (1993-11-01), Hsia
patent: 5268344 (1993-12-01), Pedrick et al.
patent: 5283216 (1994-02-01), Mitchell
patent: 5288673 (1994-02-01), Behrmann et al.
patent: 5382748 (1995-01-01), Behrmann et al.

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