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Current research status of refractory gold ores in China

Ma Fangyuan;Dai Shujuan;Liu Shujie;School of Mining Engineering,Liaoning University of Science & Technology;  
The paper overviewed refractory gold ores in China,introduced common pre-treatment methods of refractory gold ores,including ultra-fine grinding,roasting,pressure oxidation and bio-oxidation,and combined gold recovery processes including gravity-leaching,gravity-flotation,flotation-leaching,analyzed the characteristics of the pre-treatment and combined recovery processes,put forward major problems of these processes taking into consideration the current status of refractory gold ore treatment processes,and based on it,made prospect about related research in the future.
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