Multizone downcomer for slurry hydrocarbon syntheses process

Details Multizone downcomer for slurry hydrocarbon syntheses process Multizone downcomer for slurry hydrocarbon syntheses process

1997-05-06

1999-10-05

Geist, Gary

Chemistry: fischer-tropsch processes; or purification or recover

Liquid phase fischer-tropsch reaction

518706, 518709, 518715, C07C 2700

Patent

active

059625376

ABSTRACT:
A downcomer for producing at least two slurries having different solids and gas concentrations from a single three phase slurry of particulate solids and gas bubbles in a slurry liquid has two or more concentric gas and solids disengaging zones, each having an open fluid conduit depending from an orifice in the bottom. The dowwncomer is useful in a slurry hydrocarbon synthesis process for forming a catalyst and gas reduced slurry which is passed to a liquid filter to remove hydrocarbon liquid from the slurry reactor.

REFERENCES:
patent: 5268344 (1993-12-01), Pedrick et al.
patent: 5283216 (1994-02-01), Mitchell
patent: 5382748 (1995-01-01), Behrmann et al.
patent: 5811469 (1998-09-01), Leviness et al.

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