Purification process for gold-bearing iodine lixiviant

Details Purification process for gold-bearing iodine lixiviant Purification process for gold-bearing iodine lixiviant

1990-05-01

1991-06-25

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C22B 1104

Patent

active

050264206

ABSTRACT:
A process for purifying gold-bearing iodine lixiviant characterized by bringing the gold-bearing lixiviant into contact with a strongly acidic cation-exchange resin to selectively adsorb heavy metals while allowing gold and iodine to pass therethrough. The process is particularly useful for purifying gold-bearing iodine lixiviant prior to recovering the gold by electrolysis.

REFERENCES:
patent: 2304823 (1942-12-01), Harrison
patent: 3957505 (1976-05-01), Homick
patent: 4557759 (1985-12-01), McGrew et al.
patent: 4734171 (1988-03-01), Murphy

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