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roasting of ores in mali

roasting of ores in mali

N Ahern in Gold Ore Processing Second Edition 2016 21 Oxidative Pretreatment During roasting of gold ores and concentrates mercury is released to the gas phase with the extent of release dependent on the mineralogical composition of the roaster feed and on the roasting conditions temperature roasting atmosphere and roasting time In pressure oxidation the deportment of mercury ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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