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Refractory Ore Gold And Pretreatment 2012

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Refractory Ore Gold And Pretreatment 2012

refractory gold ores with As. Pretreatment options for deal-ing with refractory gold ores are illustrated in Fig. 1 and described in detail in the subsequent sections. 2. Roasting Oxidation Pretreatment So far, the application of roasting oxidation pretreatment has a history of 70 years. The principle is to destroy the ores

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