摘要
通过对陕西省某金矿难浸金精矿工艺矿物特性和细菌预氧化工艺的研究 ,说明了该金精矿为低砷低硫微细粒包裹型难浸金精矿。金精矿中金的直接氰化浸出率为 35 .3%。经过 5d细菌预氧化后 ,金的氰化浸出率可达到 92 .5 %。
It showed from the study of the feature of the refractory gold concentrate of a certain mine and the study of gold extraction by bacterial preoxidation technology that this gold concentrate was low arsenic and low sulfur fine grained inclusion refractory gold concentrate,of which the direct cyanide leaching rate was only 35.3%.After 5 days'bacterial pre oxidation,the cyanide leachning rate of gold reached 92.5%.
出处
《黄金》
CAS
2002年第11期31-35,共5页
Gold
关键词
难浸金精矿
细菌预氧化
氧化铁硫杆菌
refractory gold concentrate
bacterial pre oxidation
ferrobacillus sulfooxidans
