Cationic polymers for sludge dewatering

Details Cationic polymers for sludge dewatering Cationic polymers for sludge dewatering

1991-03-04

1992-03-03

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524535, 524555, 524728, 524804, 526 82, 5262922, 5263073, 5263075, C08F 232, C08J 300, C08K 520, C08L 4300

Patent

active

050934139

ABSTRACT:
Water-in-oil emulsion polymers of cationic acrylamides to which are added small quantities of a hydroxyalkyl methacrylate and sodium formate. These polymers are useful as flocculants in sludge dewatering processes.

REFERENCES:
patent: 4060678 (1977-11-01), Steckler
patent: 4307215 (1981-12-01), Goretta et al.
patent: 4734205 (1988-03-01), Jacques et al.
patent: 4741835 (1988-05-01), Jacques et al.
patent: 4783513 (1988-11-01), Cadel et al.
patent: 4835234 (1989-05-01), Valint et al.
patent: 4931191 (1990-06-01), Braden et al.
patent: 4968435 (1990-11-01), Neff et al.

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