Process for working up waste waters comprising rhodium...

Details Process for working up waste waters comprising rhodium... Process for working up waste waters comprising rhodium...

C - Chemistry, Metallurgy

02

F

C02F 1/62 (2006.01) C02F 1/26 (2006.01) C07C 45/50 (2006.01) C22B 3/28 (2006.01) C22B 11/00 (2006.01)

Patent

CA 2084022

Frankfurt, 02.12.1991 PAT/rcht-sei HOE 91/Y0ll Hoechst Aktiengesellschaft, Frankfurt am Main 80 Abstract of the disclosure: For working up waste waters which comprise rhodium compounds, water-soluble derivatives of organic phos- phines and, if appropriate, other impurities, an inorganic acid is first added and the mixture is then extracted with a water-insoluble amine. According to a particular embodiment, the inorganic acid is used in the form of a salt of the amine used as the extraction agent.

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