Build Gold Manganese

Build Gold Manganese

2019728  Gold in some manganesesilver ores is amenable to direct cyanidation and its extraction is not increased by reduction. Gold in other ores follows the silver and is more or less refractory and is benefited as much as silver by reduction. Silver extraction of 60 per cent from raw ore may be increased to from 88 to 96 per cent.

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