Abstract: The paper presents the progress in the pretreatment technology for arsenic removal from high arsenic gold ores such as oxidation-roasting pretreatment, wet chemical pretreatment and bacterial oxidation pretreatment.It is pointed out that pressurized oxidation, chlorination, bacterial oxidation and combined processes are the important development orientation for the pretreatment technology for arsenic removal from high arsenic gold ores.

Key words: High arsenic gold ores, Pretreatment for arsenic removal, Arsenopyrite