Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1991-08-09
1993-02-02
Hruskoci, Peter
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210747, C02F 1114
Patent
active
051835762
ABSTRACT:
A method of dewatering sludge is disclosed. This method comprises adding to the sludge an effective amount for the purpose of a polymer comprising repeat unit moieties of the compound methacryloyloxyethyl trimethyl ammonium chloride, said polymer having an intrinsic viscosity of about 1.0 to about 4.5 dl/g.
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Bair Keith A.
Chen Fu
Vasconcellos Stephen R.
Wood Michael R.
Betz Laboratories Inc.
Hruskoci Peter
Ricci Alexander D.
Von Neida Philip H.
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