Method of immobilizing organic contaminants to form non-flowable

Details Method of immobilizing organic contaminants to form non-flowable Method of immobilizing organic contaminants to form non-flowable

1985-07-29

1987-03-17

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210751, 210908, B01D 1500

Patent

active

046505903

ABSTRACT:
A method is provided for treating polar or aqueous fluid compositions containing an amount of an organic contaminant to immobilize the contaminant by forming a nonflowable matrix containing the contaminant. The non-flowable matrix can be easily disposed of. The method comprises adding a sufficient amount of organoclay to the fluid composition to absorb substantially all of the organic contaminant. A sufficient amount of solid adsorbent is added to the composition to absorb or react with substantially all of the polar fluid or water to form a substantially non-flowable matrix. Typically, such polar fluids or aqueous compositions are in emulsion form with the organic contaminant, and the addition of the organoclay breaks the emulsion, permitting removal of a portion of the water or polar fluid from the composition to thereby reduce the volume to be disposed of. The method of this invention immobilizes the organic contaminant, in such a manner that it is non-leachable from the matrix.

REFERENCES:
patent: 2367384 (1945-01-01), Tymstra et al.
patent: 3487928 (1970-01-01), Canevari
patent: 4149968 (1979-04-01), Kupiec et al.
patent: 4167481 (1979-09-01), Cremers et al.
patent: 4230568 (1980-10-01), Chappell

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