Process for treating cyanic liquid containing copper(I) cyanide

Details Process for treating cyanic liquid containing copper(I) cyanide Process for treating cyanic liquid containing copper(I) cyanide

1982-11-19

1984-03-20

Wyse, Thomas G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210737, 210904, 210912, C02F 158

Patent

active

044379960

ABSTRACT:
This invention relates to an improved process for treating a cyanic liquid containing copper(I) cyanide complex ion which comprises heating the liquid at a temperature of not lower than 200.degree. C. in the presence of a water-soluble metal hydroxide, whereby the decomposition of the CN group of copper(I) cyanide complex ion is accomplished in a high rate in a single batch producing a relatively small amount of sludge even when the liquid has a high CN concentration.

REFERENCES:
patent: 4070281 (1978-01-01), Tagashira et al.
patent: 4071448 (1978-01-01), Watanabe et al.

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