Method of separating rhodium from platinum and/or palladium

Details Method of separating rhodium from platinum and/or palladium Method of separating rhodium from platinum and/or palladium

2011-05-31

2011-05-31

Wyszomierski, George (Department: 1733)

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

C423S022000

Reexamination Certificate

active

07951223

ABSTRACT:
A method of separating rhodium from platinum and/or palladium includes; chloridizing a raw material including rhodium and at least platinum and/or palladium in chlorine atmosphere and obtaining a soluble salt of platinum and/or palladium; water-leaching chloridized material and dissolving platinum and/or palladium into a solution; filtering the solution; and leaving rhodium in a filtered residue of the solution.

REFERENCES:
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patent: 2004332041 (2004-11-01), None
patent: 2005-240170 (2005-09-01), None
patent: 2007-154250 (2007-06-01), None
patent: 2007154250 (2007-06-01), None
Machine translation of JP 2004-332041 A published Nov. 2004.
Machine translation of JP 2007-154250 A published Jun. 2007.
European Search Report mailed Jan. 19, 2010 in corresponding European Application No. 09162810.7.
Toraiwa et al., “Development of Hydrometallurgical Process of Copper Anode Slimes in Nippon Mining & Metals”, Journal of the Mining and Materials Processing Institute of Japan, vol. 116, pp. 484-492 (2000).

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