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Smelting And Roasting Ores To Recover Gold

Smelting And Roasting Ores To Recover Gold

2020-5-4Recover Gold by Roasting Pyrite Ore. The roasting of straight pyritic ores involves the conversion of the iron sulphides to the oxide under oxidiing conditions with the evolution of sulphur dioxide and to some extent by catalytic action sulphur trioxide gas also

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