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| Tellurium Recovery from Copper Telluride Slag |
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Received:August 04, 2015
Revised:August 07, 2015
Accepted:August 10, 2015
Published Online:January 21, 2016
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| DOI：doi：10.3969/j.issn.1007-7545.2016.02.011 |
| KeyWord:copper telluride slag; tellurium; recovery; sulfating roasting |
| Author | Institution |
| WANG Jun-e |
紫金矿业集团股份有限公司 |
| ZHANG Huan-ran |
紫金矿业集团股份有限公司 |
| ZHONG Shui-ping |
紫金矿业集团股份有限公司 |
| WU Zeng-ling |
紫金矿业集团股份有限公司 |
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| Abstract: |
| Tellurium was usually separated as copper telluride slag in pretreatment process of copper anode slime. Copper telluride slag was treated by processes of sulfating roasting, water leaching, alkaline leaching, oxidation, acid leaching, and reduction. The results show that copper extraction rate is 90%, tellurium recovery rate is 91%~93%, and gold, silver, platinum, and palladium are enriched in leached residue. |
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