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| Study on Comprehensive Recovery of Copper and Cobalt from Sulphur Concentrate |
| Received:March 22, 2018 Revised:March 28, 2018 |
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| DOI：doi：10.3969/j.issn.1007-7545.2018.08.005 |
| KeyWord:sulfur concentrate; copper; cobalt; roasting; comprehensive recovery |
| Author | Institution |
| Chen_qinggen |
低品位难处理黄金资源综合利用国家重点实验室 |
| linhaibin |
低品位难处理黄金资源综合利用国家重点实验室 |
| LIOU Chun-long |
黑龙江多宝山铜业股份有限公司 |
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| Abstract: |
| Test of roasting-acid leaching for one high sulfur and copper-cobalt bearing sulfur concentrate was carried out to recover copper and cobalt. The results show that leaching rate of copper, cobalt and zinc is 88.08%, 72.40% and 100% respectively under the conditions of 25% mass fraction of calcining sand and total sulfur content of 30% of feeding. Iron grade in acid leaching residue is 65.12%. Copper is recovered from lixivium by extraction. Iron is removed from raffinate by oxidation, and cobalt-enriched slag is obtained from iron-removal solution by precipitation. |
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