Method for removing cyanide from a fluid

Details Method for removing cyanide from a fluid Method for removing cyanide from a fluid

1990-02-23

1990-12-04

Hruskoci, Peter

Liquid purification or separation

Processes

Treatment by living organism

210759, 210610, 210904, 210631, 423584, 423DIG17, 423 29, 204DIG13, C02F 172, C02F 1106

Patent

active

049751930

ABSTRACT:
A system for removing cyanide and related species from a cyanide-containing waste fluid, for example, of the sort generated by mining operations, includes means for generating hydrogen peroxide by the burning of a fuel and the quenching of that burning with the waste fluid. At least a portion of the cyanide content of the waste fluid is eliminated by oxidation with the hydrogen peroxide, and the quenching can also provide organic material to serve as a carbon source for microbes which degrade residuel cyanide in the treated waste stream.

REFERENCES:
patent: 3959130 (1976-05-01), Kloster et al.
patent: 4239620 (1980-12-01), Doll et al.
patent: 4719019 (1988-01-01), Vasan
patent: 4732609 (1988-03-01), Frey et al.
patent: 4822496 (1989-04-01), Griffiths et al.
patent: 4851129 (1989-07-01), Griffiths et al.

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