Water clarification/purification

Details Water clarification/purification Water clarification/purification

1991-07-11

1992-12-15

Wyse, Thomas

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210723, C02F 152

Patent

active

051714531

ABSTRACT:
Aqueous media, e.g., surface or waste waters, or industrial effluents, are clarified/purified, notably to markedly reduce the residual aluminum and organic solids contents thereof, by treating same, advantageously sequentially, with an effective impurity coagulating amount of at least one aluminum polymer and at least one ferric salt.

REFERENCES:
patent: 3929666 (1975-12-01), Aiba et al.
patent: 4051028 (1977-09-01), Fiessinger
patent: 4284611 (1981-08-01), Gancy et al.
patent: 4362643 (1982-12-01), Kuo et al.
patent: 4402851 (1983-09-01), Lindahl
patent: 4485018 (1984-11-01), Fiessinger et al.
patent: 4681697 (1987-07-01), Doetsch et al.

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