Process to separate rhodium from an organic mixture

Details Process to separate rhodium from an organic mixture Process to separate rhodium from an organic mixture

C - Chemistry, Metallurgy

07

C

C07C 51/14 (2006.01) C07C 51/48 (2006.01) C07C 55/02 (2006.01) C07C 55/14 (2006.01) C07C 57/03 (2006.01) H01Q 1/42 (2006.01)

Patent

CA 2312328

Process to separate rhodium from an organic starting mixture comprising of an organic solvent, C6-dicarboxylic acids and iodide compounds, wherein rhodium is separated by extracting the organic starting mixture with an aqueous solvent containing C6-dicarboxylic acids and an iodide compound resulting in an organic raffinate poor in rhodium and an aqueous extract rich in rhodium.

Cette invention a trait à un procédé permettant de séparer du rhodium d'une substance organique de départ constituée d'un solvant organique, d'acides dicarboxyliques comportant 6 atomes de carbone et de composés d'iodure. On procède à cette séparation par extraction du mélange organique de départ à solvant aqueux contenant des acides dicarboxyliques comportant 6 atomes de carbone et des composés d'iodure, ce qui donne lieu à un raffinat organique pauvre en rhodium ainsi qu'à un extrait aqueux riche en rhodium.

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