难处理金矿脱硫预处理对水氯化提金的影响  

Effect of Desulfurization Pretreatment on Gold Extraction from Refractory Gold Ore with Aqueous Chlorate Solution

作　　者：程垚[1] 张建涛[1] 陈帅[1] 高为[1] 沈少波[1] 

机构地区：[1]北京科技大学冶金与生态工程学院、稀贵金属绿色回收与提取北京市重点实验室,北京100083

出　　处：《有色金属（冶炼部分）》2014年第6期52-54,共3页Nonferrous Metals（Extractive Metallurgy)

基　　金：国家自然科学面上基金资助项目(50874011);北京科技大学本科生科技创新项目(12020694;13020107)

摘　　要：以某高砷、高硫金矿在氩气气氛下高温脱砷样品为原料,研究脱硫温度、时间和氧气流量对酸性氯酸钠溶液提金的影响。结果表明,在脱硫温度650℃、氧气流量200mL/min、脱硫时间2h的条件下,金的浸出率可达95%。Dearsenization pretreatment of refractory gold ore with high arsenic and sulfur bearing was conducted in argon atmosphere at high temperature.The effects of desulfurization temperature,time and oxygen flow rate on gold leaching rate with aqueous chlorate solution were investigated with dearsenization sample as raw materials.The results show that gold leaching rate is 95％ above under the conditions of desulfurization temperature of 650 ℃,oxygen flow rate of 200 mL/min,and duration of 2 h.

关 键 词：高砷、高硫难处理金矿 脱硫预处理 酸性氯酸盐提金 

分 类 号：TF831[冶金工程—有色金属冶金]