Chloride as an Alternative to Cyanide - SGSChlorination was the most popular process to extract gold, before it was rendered . of the cyanidation process at the turn of the last century, not least because it.electro chlorine gold leaching plant,New Hydrometallurgical Process for Gold RecoveryThe method consist in leaching the gold with chlorine resulted from NaClO decomposition in hydrochloric . approaches to the cyanidation process such as thiourea, chlorine, bromine . controlled speed electric motor. At the end of the leach,.A Technical Overview of the EnviroLeach® Gold Recovery ProcessGold extraction from electronic waste is typically based on either pyro metallurgical . ammonia, bromine, chlorine, bisulfides, Iodine, and thiourea. Some of.
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