CPC B01D 21/01 (2013.01) [C02F 1/5245 (2013.01); C02F 11/148 (2019.01); C08F 220/06 (2013.01); C08F 220/34 (2013.01); C08F 220/56 (2013.01); C08L 33/02 (2013.01); C10G 1/002 (2013.01); B03D 3/02 (2013.01); B03D 3/06 (2013.01); C10G 1/045 (2013.01)] | 25 Claims |
1. A terpolymer suitable for use as a flocculant for treating an aqueous suspension of solids, wherein said terpolymer is comprised of (i) acrylamide (“AMD”) (ii) calcium diacrylate (“CDA”), and (iii) acryloyloxyethyltrimethyl ammonium chloride (“AETAC”) monomers, and wherein the mole percent of said (iii) AETAC monomers ranges from 0.3 mol % to 3.2 mol %.
|