金的生物催化氧化 - 氰化浸取  

Extraction of gold by bio-catalytical oxidation and cyanide leaching

作　　者：关晓辉[1,2] 魏德洲[1,2] 张维庆[1,2] 

机构地区：[1]东北电力学院 [2]东北大学

出　　处：《黄金》1998年第4期42-44,共3页Gold

摘　　要：选育氧化亚铁硫杆菌对含砷金矿石进行了生物催化氧化氰化浸金的研究。探讨了介质条件、生物活性和充气条件等因素对浸金的影响。结果表明，生物催化氧化对于提高金的提取率有显著效果。Study on gold extraction by bio-catalytical oxidation and cyanide leaching of arsenicbearing gold ores with thiobacillus ferrooxidans was made.The factors of affecting extraction of gold were discussed,such as conditions of media,bacterial activity and aeration conditions.The result shows that bio-catalytical oxidation is available to raise the extraction rate of gold.

关 键 词：生物催化氧化 氰化 氧化亚铁硫杆菌 浸金 

分 类 号：TD953[矿业工程—选矿] TD925.5