Process for separating aqueous formaldehyde mixtures

Details Process for separating aqueous formaldehyde mixtures Process for separating aqueous formaldehyde mixtures

1976-01-05

1978-01-10

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 23F, 210500M, B01D 1300

Patent

active

040678059

ABSTRACT:
Process for the separation of water from mixtures of water and formaldehyde, by contacting the mixtures against an organic polymeric membrane, and withdrawing at the other side of the membrane a mixture having a higher concentration of water.

REFERENCES:
patent: 2953502 (1960-09-01), Binning et al.
patent: 3228877 (1966-01-01), Mahon
patent: 3257334 (1966-06-01), Chen et al.
patent: 3723306 (1973-03-01), Bridgeford

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