湿法冶金
濕法冶金
습법야금
Hydrometallurgy of China
2015年
5期
414-416,421
,共4页
针铁矿法%浸出液%铁%氟%去除
針鐵礦法%浸齣液%鐵%氟%去除
침철광법%침출액%철%불%거제
goethite process%zinc leaching solution%iron%fluorine%removal
研究了用针铁矿法从锌浸出液中去除铁、氟.结果表明 :在温度90 ℃ 、p H= 4 .0、双氧水用量18 .33 mL/L、中和剂为氧化钙、反应时间2.5h、恒温静置1h、常温静置2h条件下 ,铁去除率大于99% ,氟去除率高于70% ,溶液质量达工业生产要求.
研究瞭用針鐵礦法從鋅浸齣液中去除鐵、氟.結果錶明 :在溫度90 ℃ 、p H= 4 .0、雙氧水用量18 .33 mL/L、中和劑為氧化鈣、反應時間2.5h、恆溫靜置1h、常溫靜置2h條件下 ,鐵去除率大于99% ,氟去除率高于70% ,溶液質量達工業生產要求.
연구료용침철광법종자침출액중거제철、불.결과표명 :재온도90 ℃ 、p H= 4 .0、쌍양수용량18 .33 mL/L、중화제위양화개、반응시간2.5h、항온정치1h、상온정치2h조건하 ,철거제솔대우99% ,불거제솔고우70% ,용액질량체공업생산요구.
Removal of iron and fluorine from the leaching solution of zinc by goethite process were studied .T he test results show that over 99% of iron removel rate and over 70% of flurion removal rate are obtained at the optimum conditions of reaction temperature of 85 ℃ ,solution pH of 4 .0 ,hydrogen peroxide amount of 18 .33 mL/L ,CaO as neutralizer ,reaction time of 2 .5 h ,constant temperature standing for 1 h and room temperature standing for 2 h .The solution meets electrolytic zinc requirements .
