Reduction of clay in sludges to be dewatered

Details Reduction of clay in sludges to be dewatered Reduction of clay in sludges to be dewatered

1990-11-08

1992-04-14

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210734, 210735, C02F 1114

Patent

active

051045524

ABSTRACT:
The dewatering of waste industrial and municipal sludges is improved by the use of clay employed with an unsheared, water-soluble, branched cationic polymer having a solubility quotient greater than about 30% and a branching agent content of from about 4-80 molar parts per million, based on initial monomer content.

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patent: 4769427 (1988-09-01), Nowakowsky et al.
patent: 4968435 (1990-11-01), Neff et al.
patent: 4969976 (1990-11-01), Reed

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