摘要
采用常温碱浸脱砷方法处理高砷氯氧锑,就水洗、液固比、终点pH值等因素对脱砷效果的影响进行了研究。结果表明:浸出前调浆水洗可降酸除铜,浸出时液固比选择12∶1、终点pH值控制在10.0左右可脱除氯氧锑渣中90%以上的砷。含砷浸出液经石灰乳沉砷后可返回浸出工序重复使用。
Leaching high arsenic antimony oxychloride with alkali at ambient temperature is used for re, move arsenic. The effects of washing before leaching, liquid - solid ratio and terminal pH value of leach solution on dearsenization are studied. The results indicated that： slurring and washing before leaching can reduce the acidity and remove the copper; with the liquid - solid ratio of 12：1 and terminal pH 10. 0 can remove 90% of arsenic from antimony oxychloride. The leach solution can be reused after arsenic precipitation with ciml milk.
出处
《云南冶金》
2005年第6期37-39,46,共4页
Yunnan Metallurgy
关键词
高砷氯氧锑
碱浸
脱砷
high arsenic reached antimony oxychloride
alkali leaching
dearsenization
