Solvent drying of cellulose ester membranes

Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor

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106189, F26B 500

Patent

active

040683877

ABSTRACT:
Process for drying a water-wet permselective cellulose ester membrane by contacting the membrane with a single water replacement liquid and vaporizing the liquid from the membrane.

REFERENCES:
patent: 1846474 (1932-02-01), Darling
patent: 3592672 (1971-07-01), Rowley et al.
patent: 3710945 (1973-01-01), Dismore
patent: 3732627 (1973-05-01), Wertheim
patent: 3842515 (1974-10-01), MacDonald et al.
patent: 3962798 (1976-06-01), Jackson

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