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| Indium and germanium extraction from zinc dust leach liquor |
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Received:April 10, 2014
Revised:April 10, 2014
Accepted:April 11, 2014
Published Online:September 09, 2014
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| DOI： |
| KeyWord:zinc dust; indium; germanium |
| Author | Institution |
| LIANG De-hua |
Beijing General Research Institute of Mining and Metallurgy |
| WANG Cheng-yan |
Beijing General Research Institute of Mining and Metallurgy |
| ZHANG Yong-lu |
Beijing General Research Institute of Mining and Metallurgy |
| LI Qiang |
Beijing General Research Institute of Mining and Metallurgy |
| XING Peng |
Beijing General Research Institute of Mining and Metallurgy |
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| Abstract: |
| Processes of indium extract by P204 and germanium precipitation by tannic acid were used in this study to extract the rare metals, indium and germanium from the leach liquor which was generated from zinc dust sulfation roasting-leaching process. Using P204 as extractant and hydrochloric acid as stripping agent, the extraction and stripping ratios of indium were greater than 99%. The germanium precipitation by tannic acid from indium raffinate under the optimum conditions was greater than 99%. |
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