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| Study on Overlay Technology in Biological Heap Leaching Process of Copper Sulfide Ore |
| Received:January 09, 2019 Revised:January 10, 2019 |
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| DOI：doi：10.3969/j.issn.1007-7545.2019.05.001 |
| KeyWord:low-grade copper sulphide ore; biological heap leaching; overlay technology; closure heap; modified neutralization slag |
| Author | Institution |
| Dao-Yan Fan |
厦门紫金矿冶技术有限公司 |
| Hai-bin Lin |
厦门紫金矿冶技术有限公司 |
| Zeng-lin Wu |
厦门紫金矿冶技术有限公司 |
| Chun-long Liu |
黑龙江多宝山铜业股份有限公司 |
| Qin-gen Chen |
厦门紫金矿冶技术有限公司 |
| LAN Bi-bo |
厦门紫金矿冶技术有限公司 |
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| Abstract: |
| Overlay technology in biological heap leaching process of low-grade copper ore in Zijin Mountain was studied. Economic benefit, budget analysis, and technical proposal of different overlay technology were compared. Different sealing materials and technical solutions were tested. Sealing technical solution after three layers of heap leaching was put forward. With absence of loess around, the modified raffinate neutralized slag was used as sealing material, and technical solution of geomembrane was used for sealing treatment. |
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