某含砷浮选金精矿的细菌氧化预处理—氰化提金试验研究

Experimental study on bacterial pre-oxidation of arsenic-bearing flotation gold concentrate followed by cyaniding

云南省某含砷难浸金精矿 ,常规氰化金浸出率仅为 2 6 .17% ,通过采用细菌氧化预处理后 ,金浸出率达到 98.2 5 % ,获得了非常理想的试验指标。

A certain arsenic bearing refractory gold concentrate of Yunnan Province were treated by conventional cyanide process,however,the gold leaching rate was only 26.17%.Through pretreatment by bacterial oxidation,the gold leaching rate reached 98.25%,getting quite satisfactory result.