甲玛地区角岩矿微生物浸出的试验研究

Experimental Study on the Hornfels Ore’s Microbiological Leaching in Jiama Region

介绍了西藏华泰龙矿业开发有限公司角岩的矿石性质,针对该低品位铜矿石进行了详细的微生物浸出试验研究,在原矿铜品位仅为0.12%、SiO2含量高达69.12%的情况下,用接种量为10%的浸矿菌液,浸出1 d时,铜浸出率即为34.44%,浸出11 d时,浸出率达到70.02%,此时较无菌条件下的浸出率高出17.46个百分点。

This paper introduces the ore characteristics of Tibet Huatailong Mining Co.Ltd.’s hornfels ore.A detailed study of microbial leaching test was carried on the the low grade copper ore.Under the condition that the ore grade of copper is only 0.12%and the SiO2 content of raw was 69.12%,when the bacteria’s inoculated dose was 10%,the copper leaching recovery was 34.44%,the leaching time is 1h and the copper leaching recovery was 70.02%in the 11d of leaching time.The copper leaching recovery was higher 17.46 percent point than in the asepsis.