Method of treating dilute aqueous solutions

Details Method of treating dilute aqueous solutions Method of treating dilute aqueous solutions

1988-05-02

1989-09-12

Sever, Frank

Liquid purification or separation

Processes

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

210654, 21050039, B01D 1300

Patent

active

048657450

ABSTRACT:
A dilute aqueous solution of isopropanol is concentrated by reverse osmosis across a membrane of polyethyleneimine which has been cross-linked with 2,4-toluene diisocyanate.

REFERENCES:
patent: 4617127 (1986-10-01), Light
patent: 4717482 (1988-01-01), Light

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