Adsorption and elution of metal from ion exchange resin

Details Adsorption and elution of metal from ion exchange resin Adsorption and elution of metal from ion exchange resin

1990-09-26

1992-10-20

Cintins, Ivars

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

210662, 210670, 210684, 210 961, 210143, 210269, 423DIG14, B01D 1504

Patent

active

051568250

ABSTRACT:
Method and apparatus (10) includes the use of multiple containers (B-1-B-3) containing a weak base ion resin (R) through which plating rinse water (W) is pumped with precious metal such as potassium gold cyanide adsorbed by said resin and then with the cyanide sequentially eluted by potassium hydroxide, water, potassium thiocyanate, water, and the resulting effluent evaporated (at 40) and then chilled (at 44) to remove for reuse the gold and inorganic salt and base.

REFERENCES:
patent: 4372830 (1983-02-01), Law
patent: 4543169 (1985-09-01), D'Agostino et al.
Technical Sheet from Diamond Shamrock, Duolite A-368, 1981.

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