Method for treating water contaminated with cyanide

Details Method for treating water contaminated with cyanide Method for treating water contaminated with cyanide

1997-05-23

1998-11-17

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

166310, 210717, 210747, 210904, 405128, 423367, C02F 158

Patent

active

058371451

ABSTRACT:
A method for treating cyanide contaminated water is disclosed. This method generally involves passing the contaminated water through a bed containing elemental iron, to form a precipitate by a reaction between the iron and any of various cyanide species which exist in the water. The method can be applied either above ground or in situ in the subsurface environment.

REFERENCES:
patent: 3922224 (1975-11-01), Lewandowski
patent: 4548718 (1985-10-01), Muir
patent: 5160632 (1992-11-01), Kleefisch et al.
patent: 5266213 (1993-11-01), Gillham
patent: 5362394 (1994-11-01), Blowes et al.
patent: 5487622 (1996-01-01), Cherry et al.
patent: 5534154 (1996-07-01), Gillham
Howe, Robert H.L., "Recent Advance in Cyanide Waste Reduction Practice", 18.sup.th Industrial Waste Conference, pp. 690-705, Purdue University, 1963.

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