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extracting gold from arsenic ore method

extracting gold from arsenic ore method

A method of extracting gold from arsenic gold ore concentrate wherein increase the temperature of smelting chamber to 100300° C and then hold the temperature to remove the vapor and small quantity of dust in the arsenic gold ore concentrate Under residual pressure≦50 Pa increase the temperature of smelting chamber and crystallization chamber to 300500° C and then hold the

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