摘要
研究了铜精矿湿法除砷、除砷浸出液循环利用和浸出液固砷。结果表明:采用湿法工艺可以较好地脱除铜精矿中的砷,砷脱除率达97.51%;只要浸出液中S2-浓度保持足够高,除砷浸出液循环利用就不影响砷的脱除,浸出渣中的砷质量分数可降低到0.50%以下,但是硫化钠耗量较大;除砷浸出液采用常压氧化—铁盐固砷工艺,固砷率为30.80%。
Removing of arsenic from copper concentrate by hydrometallurgical process, recycling and arsenicstabilization of leaching solution has been carried out. Results show that the hydrometallurgical process is a effective method to remove arsenic from copper concentrate, the arsenic removal rate reachs 97.51%. As long as sodium sulfide in leaching solution is sufficient, the arsenic removal rate will not decrease when recycling the leaching solution. The arsenic content in residue remains below 0. 50 %,but the consumption of sodium sulfide is large. The arsenic stabilization rate of atmospheric oxidation technology is 30.80 %.
出处
《湿法冶金》
CAS
北大核心
2012年第2期122-124,132,共4页
Hydrometallurgy of China
关键词
铜精矿
湿法
砷
去除
固化
循环利用
copper concentrate
hydrometallurgical process
arsenic
removing
stabilization
recycling
作者简介
蓝碧波（1981-），男，福建上杭人，硕士，高级工程师，主要从事稀贵金属冶金和化工工艺研究。
