Recovery method of rhodium

Details Recovery method of rhodium Recovery method of rhodium

1993-08-04

1994-11-15

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

423 22, C22B 1100

Patent

active

053644450

ABSTRACT:
A method for recovering rhodium comprising the steps of: adding a basic compound to an organic solution containing a rhodium complex containing at least one type of organophosphorus compound as a ligand and an organophosphorus compound, combusting the resultant mixture to ash under a controlled temperature of less than 1,000.degree. C.; and cleaning the ash using a cleaning solution containing a reducing agent.

REFERENCES:
patent: 3920449 (1975-11-01), Onoda et al.
patent: 4390366 (1983-06-01), Lea

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