Method for eluting antimony adsorbed on chelating resin

Details Method for eluting antimony adsorbed on chelating resin Method for eluting antimony adsorbed on chelating resin

1998-06-30

1999-11-23

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210638, 210670, 210688, 205586, 205705, 423 87, B01D 1504

Patent

active

059894300

ABSTRACT:
In a method for recovering antimony from the electrolyte of copper electro-refining process, the antimony is adsorbed on the chelating resin and is then eluted by acid. The eluate is then neutralized to recover antimony. In a conventional method, a large amount of acid and alkali is used. In the inventive eluting method, the antimony concentration in the acidic eluting solution is adjusted to 4 g/L or more in the first step and 3 g/L or less in the second step.

REFERENCES:
patent: 4559216 (1985-12-01), Nagai
patent: 5316679 (1994-05-01), Bruening
patent: 5332420 (1994-07-01), Cupertino
patent: 5364452 (1994-11-01), Cupertino
patent: 5366715 (1994-11-01), Dreisinger
W.C. Cooper, et al., Hydrometallurgy and Electrometallurgy of Copper, vol. III, pp. 246-254 (Aug. 18-21, 1991.

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