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| Study on Silver Distribution in Lead and Slag in Carbothemic Reduction of Lead-oxide Melt |
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Received:April 23, 2012
Revised:April 24, 2012
Accepted:April 24, 2012
Published Online:October 23, 2012
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| DOI：10.3969/j.issn.1007-7545.2012.11.009 |
| KeyWord:Kivcet process; zinc leaching residue; silver; carbothemic reduction; distribution |
| Author | Institution |
| weiwei |
中南大学 化学化工学院 |
| chen qi-yuan |
中南大学 化学化工学院 |
| Tan jun |
中南大学 化学化工学院 |
| li jie |
中南大学 化学化工学院 |
| wang hui |
株洲冶炼集团有限公司 |
| liao zhou |
株洲冶炼集团有限公司 |
| liu chang-qing |
中南大学化学化工学院 |
| zhang ping-min |
中南大学化学化工学院 |
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| Abstract: |
| The carbothemic reduction of Kivcet lead smelting process treating zinc leaching residue was simulated. Silver distributions in crude lead and slag in different temperatures were studied. The results show that the maximum distribution ratio of silver in lead and slag is 30.13 at 1 200℃, while 19.17 at 1 300 ℃. The silver can be well enriched in crude lead. The temperature of carbothemic reduction of lead oxide melt should not be too high to make more plenty of silver into lead to improve silver recovery. |
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