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chemical processes in gold mining

Oct 15, 2018 CSIRO has extracted and produced gold using a non-toxic chemical process in an Australian first. Australian Mining speaks with project lead Paul Breuer.Jan 04, 2015 In recent years the use of cyanide in gold mining has become the dominant means by which gold is extracted from a body of ore. The mercury amalgamation process had previously been used but recovered only about 60 per cent of an ore bodys gold. In contrast, leaching finely ground ore with cyanide can recover up to 97 per cent of the ore body ...

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