Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1984-11-13
1986-05-13
Hruskoci, Peter
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210712, 210728, 210734, 210738, C02F 156
Patent
active
045885087
ABSTRACT:
A polymer admixture comprising a first cationic polymer having a molecular weight between about 2,500-1,000,000 in admixture with a second cationic polymer having a molecular weight between about 1,000,000-50,000,000 wherein said admixture contains a weight ratio of first polymer to second polymer between about 50:1 to 1:50, has greatly improved properties for treating and clarifying waste waters contaminated with oily waste and dispersed solids. The first cationic polymer is preferably a homopolymer, and the second cationic polymer is preferably a copolymer of acrylamide containing the same cationic monomer used to synthesize the first cationic polymer.
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Allenson Stephan J.
Wagner Stephen D.
Epple Donald G.
Hruskoci Peter
Nalco Cehmical Company
Premo John G.
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