Method for separating a liquid component from a solution contain

Details Method for separating a liquid component from a solution contain Method for separating a liquid component from a solution contain

1992-03-24

1993-12-21

Spear, Frank

Liquid purification or separation

Processes

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

210406, B01D 6136

Patent

active

052718468

ABSTRACT:
An improved method for separating a particular liquid component from a solution containing two or more liquid components. The method employs a vessel divided into a solution chamber and a vacuum chamber by a permeable membrane which is a porous membrane exhibiting a superior affinity to the particular component intended to be separated than to the other components. The solution is placed in the solution chamber out of direct contact with the permeable membrane at which condition a vacuum is applied to the vacuum chamber to evaporate the solution in the chamber and draw the resulting vapors through the permeable membrane into the vacuum chamber, thereby collecting the particular component from the solution in a vapor-to-vapor permeation through the permeable membrane.

REFERENCES:
patent: 4978430 (1990-12-01), Nakagawa
patent: 4983303 (1991-01-01), Uragami

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