Amphoteric polymer/polyamine combinations for color removal and

Details Amphoteric polymer/polyamine combinations for color removal and Amphoteric polymer/polyamine combinations for color removal and

1997-12-18

1999-10-05

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210734, 210736, 210917, 210928, C02F 154, B01D 2101

Patent

active

059618388

ABSTRACT:
Processes for removing color from a paper mill waste effluent and for removing color from a textile plant waste effluent utilizing an amphoteric copolymer/polyamine combination are described. A preferred amphoteric copolymer is poly(dimethylaminoethylacrylate methyl chloride quaternary salt/acrylic acid) and a preferred polyamine is a polymeric reaction product of epichlorohydrin and dimethylamine.

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