锑溶液中铁离子的分离工艺研究

Study on Separation Technology of Iron from Antimony Solution

采用矿浆电解法处理高砷金锑矿,可以实现锑、金的一步分离和锑的一步提取,并且避免了传统火法产生的大气污染。在新邵辰州矿浆电解工业试验线中,金锑矿中的铁也会被部分浸出并在溶液中富集,需开路除去。本研究采用离子沉淀法和置换法对溶液中的锑和铁进行分离研究。结果表明,离子沉淀法和置换法均可以将溶液中的锑和铁分别提取出来,但置换法操作流程简单、条件易控制,分离效率更高,置换后液可以用作厂内生产废水处理剂。

The treating process of high arsenic gold-antimony ore by slurry electrolysis can realize the separation of antimony and gold,and gain metal antimony by one step,and also avoid the atmospheric contamination during the traditional pyrometallurgy process.The pilot tests of slurry electrolysis indicates that a part of iron liberate and accumulate in solution,therefore the remove of iron from solution is necessary.In this study,the ion precipitation and substitution method are used to separate the iron and antimony.The results show that the both methods can separate the iron and antimony from solution,but compare to ion precipitation,the substitution method has the advantages of simple operation process and easily controlled reaction conditions,further more the solution after substitution can used as wastewater disposal agent for the factory itself.