Thermopervaporation apparatus

Details Thermopervaporation apparatus Thermopervaporation apparatus

1984-12-06

1986-11-04

Bascomb, Wilbur

Distillation: apparatus

Apparatus

Systems

202187, 202202, 202267R, 159DIG27, 159DIG28, 203 86, 21050027, B01D 300, B01D 1300

Patent

active

046209000

ABSTRACT:
A thermopervaporation apparatus comprising a microporous membrane which is impervious to liquids while readily allowing the vapor to pass therethrough, the passage of a hot feed solution situated on one side of said microporous membrane, a porous spacer disposed on at least part of the other side of said microporous membrane, and a heat-transmission wall disposed on said spacer, in such a manner that the vapor of the component to be separated from the feed solution permeates said membrane, diffuses to said heat-transmission wall through said spacer and is cooled on said heat-transmission wall to form a condensate which is withdrawn through said spacer, thereby improving a yield of the condensate.

REFERENCES:
patent: 3060119 (1962-10-01), Carpenter
patent: 3266223 (1966-08-01), Dresser et al.
patent: 3385769 (1968-05-01), Brose
patent: 3878054 (1975-04-01), Rodgers
patent: 4265713 (1981-05-01), Cheng
patent: 4280909 (1981-06-01), Deutsch
patent: 4302270 (1981-11-01), Nicolet
patent: 4347139 (1982-08-01), Hayashi
patent: 4419242 (1983-12-01), Cheng

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