Method for the removal of free and complex cyanides from water

Details Method for the removal of free and complex cyanides from water Method for the removal of free and complex cyanides from water

1980-02-19

1982-01-26

Wyse, Thomas G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210726, 210904, C02F 158

Patent

active

043127606

ABSTRACT:
Cyanide (free or as a metal complex) dissolved in an aqueous solution such as waste waters is substantially completely removed by the addition of ferrous bisulfite which forms insoluble Prussian blue and other non-toxic reaction products.

REFERENCES:
patent: 3819051 (1974-06-01), Henley et al.
patent: 4003833 (1977-01-01), Cavender

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