Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1984-06-08
1985-10-29
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210670, 210691, 210908, 210909, C02F 128
Patent
active
045499667
ABSTRACT:
A method is provided of removing organic contaminants from an aqueous composition contaminated therewith. The method comprises contacting the aqueous composition with a sufficient amount of organoclay for a sufficient amount of time to absorb a substantial portion of the contaminant, and to form an aqueous organoclay admixture. The organoclay and aqueous composition are then separated from each other. The method is particularly useful for separating oily contaminants from water toxic substance precursors, e.g. humic acid and toxic organics (e.g. PCB) from water.
REFERENCES:
patent: 2367384 (1945-01-01), Tymstra et al.
patent: 2742381 (1956-04-01), Weiss et al.
patent: 3763040 (1973-10-01), Timpe et al.
patent: 4070282 (1978-01-01), Otto
patent: 4351978 (1982-09-01), Hatano et al.
Cintins Ivars
Klauber Stefan J.
Radecca, Inc.
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