Process for producing liquid and, optionally, gaseous products f

Details Process for producing liquid and, optionally, gaseous products f Process for producing liquid and, optionally, gaseous products f

1996-09-27

1998-12-01

Geist, Gary

Chemistry: fischer-tropsch processes; or purification or recover

Liquid phase fischer-tropsch reaction

518709, 502 20, C07C 2700, B01J 2034

Patent

active

058440062

ABSTRACT:
A process for producing liquid and, optionally, gaseous products from gaseous reactants comprises feeding gaseous reactants into a slurry bed of solid particles suspended in a liquid; allowing the reactants to react as they pass upwardly through the slurry bed, thereby to form liquid and, optionally, gaseous products; and separating liquid product from the solid particles by passing, in a filtration zone within the slurry bed, liquid product through a filtration medium in a first direction, so that a cake of the solid particles forms on the filtration medium. The passage of liquid product through the filtering medium is interrupted. The filtering medium is then backflushed by passing a flushing fluid through the filtering medium in a second direction, opposite to the first direction, for at least portions of the periods that the liquid product passage is interrupted, thereby to dislodge the cake from the filtering medium.

REFERENCES:
patent: 2540706 (1951-02-01), Beck
patent: 2671103 (1954-03-01), Kolgel
patent: 4413063 (1983-11-01), Audigert
patent: 4472534 (1984-09-01), Ryan
patent: 4529738 (1985-07-01), Sugier
patent: 5324355 (1994-06-01), Benham
patent: 5422375 (1995-06-01), Rytter
patent: 5520890 (1996-05-01), Loerentzen
patent: 5599849 (1997-02-01), Jager
Patent Abstracts of Japan, vol. 9, No. 309 (318) Dec. 5, 1985 & JPA 60 147228 Aug. 3, 1985.

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