Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1985-04-08
1986-08-05
Kight, John
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210736, 544399, C02C 156, B01D 2101
Patent
active
046042130
ABSTRACT:
Polymers of certain quaternary ammonium salts of 1-acryloyl-4-methyl piperazine are excellent flocculants for suspended solids present in aqueous industrial wastes.
REFERENCES:
patent: 2843573 (1958-07-01), Melamad
patent: 3284393 (1966-11-01), Vanderhoff et al.
patent: 4305829 (1981-12-01), Kelsey
Ca 85:51751h, German Offer. 2,546,240, Ferruti et al.
Fong Dodd W.
Halverson Ann M.
Epple Donald G.
Kight John
Moore M. L.
Nalco Chemical Company
Premo John G.
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