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Thiosulfate Leaching Gold Process

thiosulfate leaching process for gold extraction,thiosulfate leaching appears to be one of the most promising alternatives to cyanidation. understanding gold thiosulfate leaching system plays a crucial role in order to effectively extract gold, in which the kinetics and equilibrium adsorption of thiosulfate, polythionates, gold thiosulfate and copper onto resin in.thiosulphate stability in gold leaching process,about 30% of thiosulphate was saved with an increase of gold extraction from 80% to 88%. for a high-grade sulphide gold ore, the addition of 0.03m. edta into a 0.03m copper sulphate solution reduced the thiosulphate consumption fiom. 24 kg/t to 16 kg/t with a 2% increase in gold extraction..the ultrasound leaching kinetics of gold in the,the leaching of thiosulfate requires oxidant to speed up the leaching process, which results in high consumption of thiosulfate. copper is one of the most commonly used oxidants in the thiosulfate leaching process because it can significantly accelerate gold dissolution ( xia et al., 2003 ; senanayake, 2010 ; senanayake and zhang, 2012 )..how gold is extracted by cyanidation process - refresh science,the most common process used in the cyanide process. however, a type of leaching known as thiosulfate leaching is the best on gold ores with highly soluble copper value. another procedure that is used in testing an area where gold is highly concentrated is through the bulk leach extractable gold..

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