Flotation-aid composition and method of use thereof

Details Flotation-aid composition and method of use thereof Flotation-aid composition and method of use thereof

1988-08-11

1992-09-29

Page, Thurman K.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210708, 210734, B01D 1500

Patent

active

051511959

ABSTRACT:
Copolymers of an acrylic compound and a polymerizable quaternary ammonium compound are useful as flotation-aids for removing oils and/or solid materials from aqueous systems. The polymerizable quaternary ammonium compounds are 1-alkoxy-2-hydroxy propyl quaternaries of N-(N'N'-dialkylaminoalkyl)acrylamides.

REFERENCES:
patent: 2980657 (1961-04-01), Melamed
patent: 4532052 (1985-07-01), Weaver et al.
patent: 4767550 (1988-08-01), Harlon et al.
patent: 4777218 (1988-10-01), Reimschuessel et al.
patent: 4966712 (1990-10-01), Nishibayashi et al.

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