甘肃坪定金矿含砷硫化矿的细菌浸出  

Bioleaching of As-containing Sulphide Ore of Pingding Gold Mine in Gansu

作　　者：刘荣丽[1] 伍赠玲[1] 戴红光 葛广福 

机构地区：[1]紫金矿业集团股份有限公司,福建上杭364200

出　　处：《矿产综合利用》2006年第5期6-8,共3页Multipurpose Utilization of Mineral Resources

摘　　要：以甘肃坪定金矿为研究对象,通过对中等嗜热菌的驯化,以及对矿石不同条件的细菌氧化和氰化浸出,证明中等嗜热菌对含雄黄、雌黄、黄铁矿、毒砂的矿石具有催化氧化作用,同时分析了细菌对含砷硫化矿的脱砷原理和影响因素。Taking the gold ores from Gansu Pingding Gold Mine as the research object,by the way of domestication of moderate thermophile bacteria, the bacterial oxidation and cyanide leaching of the ores are performed under various technological conditions. Test results obtained proved that moderate thermophile bacteria have the ability of catalystic oxidation for the ore containing realgar, orpiment, pyrite, arsenopyrite. At the same time, the dearsenifying principle of As-containing sulphide ores under the action of bacteria is briefly discussed, and major factors influencing bacterial oxidation process are also analyzed.

关 键 词：中等嗜热菌 细菌浸出 含砷硫化矿 

分 类 号：TF521.4[冶金工程—钢铁冶金]