RHODIUM RECOVERY FROM OXOSYNTHESIS REACTION PRODUCTS

摘要

Rhodium compounds dissolved in crude products from the oxo synthesis are extracted with aqueous solutions of quaternary ammonium salts of sulphonated triphenylphosphines. The ammonium salts contain the cation where A is an alkyl or aralkyl radical having 7 to 18 carbon atoms and B, C and D are identical or different and are straight-chain or branched alkyl radicals having 1 to 4 carbon atoms.