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采用酒石酸盐-硫代硫酸盐协同浸金体系，对某氧化型金矿开展了浸金试验研究，研究变量包括硫酸铜浓度、浸出时间、硫代硫酸钠和酒石酸钠浓度、溶液pH、温度等，确定了最佳浸出条件。结果表明，当硫酸铜、硫代硫酸钠、酒石酸钠的浓度分别为0.075、0.5、0.075 mol/L,浸出温度80℃,溶液pH为10.3,浸出时间9 h时，金浸出率可达96.03%。通过与氰化法和铜-氨-硫代硫酸盐体系的对比分析，铜-酒石酸盐-硫代硫酸盐体系浸金效果与氰化法相近，优于传统铜-氨-硫代硫酸盐提金体系。
Abstract：The collaborative leaching system of tartrate-thiosulfate was conducted to leach an oxidized gold ore.Experimental parameters include leaching time, concentrations of copper sulfate, sodium thiosulfate and sodium tartrate, temperature, and solution pH values.The experimental results show that the gold extraction can reach 96.03% under the optimized conditions: 0.075 mol/L copper sulfate, 0.5 mol/L thiosulfate, 0.075 mol/L tartrate, 80 ℃,pH 10.3,and 9 h of leaching time.The results show that the capability of gold leaching with the copper-tartrate-thiosulfate thiosulfate system is similar to that of cyanidation and much better than that of the traditional copper-ammonia-thiosulfate system.
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基本信息:
中图分类号:TF831
引用信息:
[1]张宏玮,王旭峰,陈俊南,等.酒石酸盐-硫代硫酸盐协同浸金[J].有色金属(冶炼部分),2023(05):32-36+91.
基金信息:
中央高校基本科研业务费专项项目(N182502044)
2023-05-06
2023-05-06