Process and composition for conditioning an aqueous system

Details Process and composition for conditioning an aqueous system Process and composition for conditioning an aqueous system

1984-04-30

1989-07-18

Shah, Mukund J.

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

210702, 210716, 210725, 210728, 210734, 252303, C02F 510, B01F 300, B01J 1300, B01D 2100

Patent

active

048491284

ABSTRACT:
An aqueous composition for conditioning an aqueous system, for example a sewage slurry, comprises an alkaline earth metal hydroxide, e.g. lime, and an anionic oligomeric polyelectrolyte, e.g. a salt of polyacrylic acid which composition has at least 40% by weight of particulate solid materials. Other components may include a weighting agent, e.g. calcium carbonate, a cationic flocculant, e.g. a polyacrylamide, and a base such as sodium hydroxide.

REFERENCES:
patent: 2941942 (1960-06-01), Dahlstrom et al.
patent: 3549527 (1970-12-01), Peck et al.
patent: 3826365 (1974-07-01), Mercade
patent: 4012354 (1977-03-01), Paul
patent: 4108768 (1978-08-01), Sebelik et al.
patent: 4282059 (1978-01-01), Davidson

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