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Alkalne Cianide Gold Extraction

Oct 01, 2009 The experiments using 20 L alkaline cyanide solutions containing about 10 mg/L Au(I) in two continuous extraction columns showed that more than 94.5% of Au(I) was transferred from the aqueous phase into the organic phase, and the loss of gold in raffinate was less than 0.5 mg/L. Stripping of gold from the loaded organic phase was effective by using 3.0 mol/L of KSCN solution. Most of the …

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