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What is Rhodium Recovery and Refining Process about?
This patent describes a process for recovering and refining rhodium that includes: (1) forming an adduct of rhodium trichloride and a metal halide, (2) carbonylating the adduct to form rhodium halogen carbonyls, and (3) sublimating the carbonylated product. The process yields highly pure rhodium (>99.99%) with recoveries of 30-90%. Key steps include precipitation of an insoluble adduct and washing before carbonylation and sublimation to obtain the purified product.
- Author
- Victor
- Language
- EN