Water scavenger pouch

Details Water scavenger pouch Water scavenger pouch

1984-05-07

1986-05-13

Fisher, Richard V.

Liquid purification or separation

Filter

Material

206204, 34 95, B01D 2702

Patent

active

045885052

ABSTRACT:
A water absorption pouch comprising an open-mesh, hydrocarbon impervious, cloth (e.g., nylon, polypropylene, fiberglass) container confining a water absorbent polymer phase (e.g., mixture of an alkali metal base hydrolyzed starch/acrylonitrile copolymer or alkali metal alkylcarboxamide and a carboxylmethyl or hydroxyethyl cellulose) and sufficient ballast to make the pouch settle to the bottom of a hydrocarbon liquid. Such a water absorption pouch can be tethered and lowered to the bottom of a hydrocarbon containing vessel to absorb a low lying water phase and then removed, dehydrated by squeezing and reused repeatedly.

REFERENCES:
patent: 3441140 (1969-04-01), Thurber
patent: 3744639 (1973-07-01), Teeple, Jr. et al.
patent: 3745659 (1973-07-01), Hsu
patent: 3935099 (1976-01-01), Weaver et al.
patent: 3951812 (1976-04-01), Hsu
patent: 4124116 (1978-11-01), McCabe, Jr.
patent: 4160059 (1979-07-01), Samejima
patent: 4242206 (1980-12-01), Estabrooke

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