Bimodal cationics for water clarification

Details Bimodal cationics for water clarification Bimodal cationics for water clarification

1985-12-11

1987-10-13

Lieberman, Allan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525196, 525213, 525217, 525218, C08L 3302, C08L 3308, C08L 3310, C08L 3326

Patent

active

046999515

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.

REFERENCES:
patent: 3994806 (1976-11-01), Rausch et al.

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