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e tractive metallurgy of gold pdf

e tractive metallurgy of gold pdf

Nov 21, 2008· Generally,extractionprocess of all metal always include the Comminution (Size Reduction)to liberate achieve mineral. The next process ofgold extractionfrom Hydrometallurgy route is Leaching. There are reagents that can be used togoldleaching process: Mercury (Hg), Cyanide (CN-) usual as KCN or NaCN, Thiosulphate (Na2S2O3), and Thiourea.

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