Method for water treatment

Details Method for water treatment Method for water treatment

1997-10-15

1999-06-29

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210716, 210738, 252175, 423493, 423558, C02F 152

Patent

active

059164476

ABSTRACT:
A method for treatment of water in which an aqueous solution containing a freshly made polymerised iron substance is produced, the produced polymerised iron substance is aged sufficiently long to provide for efficient treatment of water, and the aqueous solution containing aged polymerised iron substance is added to the water to be treated.

REFERENCES:
patent: 3929666 (1975-12-01), Aiba et al.
patent: 4051028 (1977-09-01), Fiessinger
patent: 4402851 (1983-09-01), Lindahl
patent: 4485018 (1984-11-01), Fiessinger et al.
patent: 4981673 (1991-01-01), Boutin et al.
patent: 5171453 (1992-12-01), Communal
A. Leprince et al., "Polymerized Iron Chloride: An Improved Inorganic Coagulant", Research & Technology, Oct. 1984, pp. 93-97.
H.X. Tang et al., "Inorganic Polymer Flocculant Polyferric Chloride, Its Properties, Efficiency and Production," in Chemical Water and Waste Water Treatment III, Ed. R. Klute and H.H. Hakin, Springer Verlag, 1994, pp. 57-69.

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