Process for recovering rhodium

Details Process for recovering rhodium Process for recovering rhodium

1991-08-20

1992-02-04

Andrews, Melvyn J.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Platinum group metal

423DIG14, C22B 326

Patent

active

050858351

ABSTRACT:
A process for recovering rhodium from an aqueous solution containing its complex compounds and optionally complex ligands in the presence of a water-soluble salt of a carboxylic acid by treatment of the aqueous solution at 20.degree. to 120.degree. C. with hydrogen peroxide (or a substance forming hydrogen peroxide) and with oxygen (or an oxygen-containing gas). The rhodium is then removed as a water-insoluble compound.

REFERENCES:
patent: 3251646 (1966-05-01), Alon et al.
patent: 3547964 (1970-12-01), Olivier
patent: 4135911 (1979-01-01), Balmat
patent: 4434240 (1984-02-01), Pugach

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