Purification of water

Details Purification of water Purification of water

1989-07-25

1991-06-11

Le, Hoa Van

Compositions

Radioactive compositions

Nuclear reactor fuel

252175, 252176, 252180, 210725, 210728, 210730, 210732, 210734, C02F 156, B03D 306

Patent

active

050230123

ABSTRACT:
A composition for the purification of water includes a suitable coagulant for coagulating solid impurities dispersed in the water to form flocs and an organic hydrophilic colloid capable, when dispersed in the water, of absorbing large quantities of water to form a sol for aggregating the flocs. The proportion of organic hydrophilic colloid in the composition is such that when the composition is used to purify the intended quantity of water, the organic hydrophilic colloid does not interfere with coagulant dispersal in the water or with floc formation.

REFERENCES:
patent: 3350304 (1967-10-01), Bacon
patent: 3428558 (1969-02-01), Murphy
patent: 3511778 (1970-05-01), Libor et al.
patent: 3515666 (1970-06-01), Bacon
patent: 3541009 (1970-11-01), Arendt et al.
patent: 3723310 (1973-03-01), Lang et al.
patent: 4302350 (1981-11-01), Callicott
patent: 4747978 (1988-05-01), Loehr et al.
Degrement, "Coagulation Flocculation, Sedimentation", Water Treatment Handbook, pp. 111-119 (1973).
Ryan, Water Treatment and Purification, pp. 14-5 (1937).

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