Pervaporation by countercurrent condensable sweep

Details Pervaporation by countercurrent condensable sweep Pervaporation by countercurrent condensable sweep

1993-12-09

1995-11-07

Drodge, Joseph W.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210774, 210805, 210806, B01D 6136

Patent

active

054645409

ABSTRACT:
There is described a process for the removal of at least one component of a liquid mixture, the basic process comprising directing a liquid mixture against the feed side of a membrane, directing a condensable vapor sweep stream past the permeate side of the membrane in a manner such that the flow of the condensable vapor sweep is substantially countercurrent to the flow of the liquid mixture, thereby transporting at least a portion of at least one component of the liquid mixture from the feed side to the permeate side of the membrane to form a combined permeate side mixture of condensable vapor and at least one transported component.

REFERENCES:
patent: 2958656 (1960-11-01), Stuckey
patent: 3043891 (1962-07-01), Stuckey
patent: 3634128 (1972-01-01), Bolin
patent: 4900402 (1990-02-01), Kaschemekat et al.
patent: 4944882 (1990-07-01), Ray et al.
patent: 5041227 (1991-08-01), Van Eikeren et al.

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