Extraction of gold from platinum group metal PGM ores
Jan 01 2005 Gold solvent extraction with dibutyl carbitol. Dibutyl carbitol or more correctly diethylene glycol dibutyl ether also known as butex and butyl diglyme was the first gold-selective solvent-extraction system to be commercialized by Inco at the Acton Refinery Morris and Khan 1968 Barns and Edwards 1982. Advantages of this solvent are .