Current situations of pretreatment method research of the refractory gold ores with as and carbon

The characteristics interpret the definition of double refractory gold, and analyze the reasons of it is hard to deal with briefly; detailed overview the domestic and foreign about current situations pretreatment method research of the refractory gold ores with As and Carbon. (bio-oxidation method, roasting-oxidation method, preesure-oxidation method, chemical-oxidation method and microwave-oxidation method),interpret the principle of different pretreatment method, research progress and apply of industrly.