Method for reducing turbidity in laundry waste water

Details Method for reducing turbidity in laundry waste water Method for reducing turbidity in laundry waste water

1996-03-01

1997-04-29

McCarthy, Neil

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210734, 210735, C02F 156

Patent

active

056245700

ABSTRACT:
A method for reducing turbidity in laundry waste water comprising the steps of treating said water with effective amounts of a first polymer comprised of dimethyl dialkyl ammonium chloride (DMDAAC) and dialkyl diallyl ammonium monomers (DADAAX) other than DMDAAC having alkyl groups with from 8 to 18 carbon atoms and counterions with an ionization constant greater than 10.sup.-8, and a second cationic, nonionic or anionic acrylamide polymer is disclosed.

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patent: 4673511 (1987-06-01), Richardson et al.
patent: 5013456 (1991-05-01), St. John et al.
patent: 5076937 (1991-12-01), Montgomery
patent: 5209854 (1993-05-01), Reed et al.

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