Patent ID: 6596245
Filing Date: 2003-07-22
Classification: B01J,C01G,C22B,Y02P

Abstract:
A process for the recovery and refining of rhodium starting from a mixture containing rhodium and other transition metals, including those of the platinum Group of the Periodic Table of the Elements as well as the remaining metals of the Periodic Table of the Elements, said process being characterized by the following passages:a) formation of a precipitated adduct between rhodium trichioride and a halide of a metal selected from metals from the Periodic Table of the Elements Groups IIA, IIIA, IVA, IVB, VB and VIB; b) carbonylation of the precipitated adduct, from passage a) with the formation of rhodium halogen carbonyls; c) sublimation of the carbonylated product obtained in b).