Water treatment agent

Details Water treatment agent Water treatment agent

1992-06-22

1993-05-18

Silverman, Stanley S.

Compositions

Water-softening or purifying or scale-inhibiting agents

428404, C02F 162

Patent

active

052118711

ABSTRACT:
An agent for the treatment of water containing dissolved aluminum comprises a particulate alkali metal or quaternary ammonium silicate, the particles having a coating of a water-insoluble silicate over at least a part of their surface, and a process of treating water which comprises dissolving the agent in the water.

REFERENCES:
patent: 2660541 (1953-11-01), Rinkenbach
patent: 3737044 (1973-06-01), Chamberlin et al.
patent: 3770652 (1973-11-01), Gordon, Jr.
patent: 3967039 (1976-06-01), Ninane et al.
patent: 4293426 (1981-10-01), Gago
patent: 4404105 (1983-09-01), de Lockerente et al.
patent: 4822579 (1989-04-01), Wagner
World Patents Index Week, 8825, Derwent, AN 88,173451 (SU-A-1353767).

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