C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/168
C22B 3/32 (2006.01) B01J 31/40 (2006.01) C01G 55/00 (2006.01)
Patent
CA 1337098
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° to 120°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.
613210
Bexten Ludger
Kupies Dieter
Lappe Peter
Springer Helmut
Weber J"urgen
Hoechst Aktiengesellschaft
Macrae & Co.
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