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| Indium Recovery from Sphalerite Concentrate with High Content of Iron |
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| DOI：doi：10.3969/j.issn.1007-7545.年份.期号.顺序号 |
| KeyWord:Sphalerite concentrate,Leaching under pressure,Extaction,Indium |
| WU Jin-mei,WANG Ji-kun,LU Tao,AI Wen |
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| Abstract: |
| Indium is recovered from sphalerite concentrate with high content of iron by the new technique of two-step acid leaching under pressure.The results indicate that the leaching rate,extraction rate,reverse-extraction rate and replacement ratio of indium are 92.98%,96.58%,99.32%,99.5%,respectively.Thereby the recovery rate of indium is calculated to be 88.74%.Compared with traditional technique,the recovery rate of indium increases greatly by 38.74%.Meanwhile,the leaching rate of zinc from the sphalerite concentrate is also more than 99.25%. |
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