Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal
Patent
1988-10-21
1991-02-19
Langel, Wayne A.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ib metal
75737, 423 30, 423 31, 423379, C22B 1108, C01C 308
Patent
active
049942433
ABSTRACT:
A process for removing and recovering cyanide from a cyanide-containing solution. The process includes the steps of adjusting the pH of the cyanide-containing solution to between about pH 6 and about pH 9.5, volatilizing the HCN contained in the pH adjusted solution and contacting the volatilized HCN with basic material. Preferably, the cyanide recovery process is performed on tailings slurries resulting from metal recovery processes.
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Goldstone Adrian J.
Mudder Terry I.
Cyprus Minerals Company
Langel Wayne A.
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