Chlorination process for removing precious metals from ore

Details Chlorination process for removing precious metals from ore Chlorination process for removing precious metals from ore

1982-06-14

1984-03-27

Meros, Edward J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75104, 75111, 75118R, 423 23, 423 27, 423 38, C22B 300, C22B 1104, C01G 5500, C01G 700

Patent

active

044392354

ABSTRACT:
A process for removing precious metals from comminuted ores. The process comprises the steps of first contacting comminuted ore with a primary acidic hypochlorite solution, separating the ore from the primary hypochlorite solution and then contacting the separated ore with an aqueous hypochlorite solution having a pH greater than 7.

REFERENCES:
patent: 1066855 (1913-07-01), Slater et al.
patent: 2438781 (1944-09-01), Kamlet
patent: 2829966 (1958-04-01), Raymond et al.
patent: 3627482 (1971-12-01), Olson et al.
patent: 4342592 (1982-08-01), Lamb

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