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| Progress on Copper-molybdenum Separation Technology |
| Received:April 25, 2019 Revised:August 16, 2019 |
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| DOI：doi:10.3969/j.issn.1671-9492.2019.05.010 |
| KeyWord:copper-molybdenum separation; copper sulfide; molybdenite; flotation process; depressant |
| Author | Institution |
| Pengliang Huang |
School of Xingfa Mining Engineering,Wuhan Institute of Technology,Wuhan;China;State Key Laboratory of Mineral Processing,Beijing General Research Institute of Mining Metallurgy,Beijing,;China;Wuhan University of Technology,Wuhan,Hubei,;China |
| Bingqiao Yang |
School of Xingfa Mining Engineering,Wuhan Institute of Technology,Wuhan |
| Huyang Jia |
State Key Laboratory of Mineral Processing,Beijing General Research Institute of Mining Metallurgy,Beijing |
| Hai Yan |
School of Xingfa Mining Engineering,Wuhan Institute of Technology,Wuhan |
| Aiping Teng |
Hubei Sanning Chemical Industry Co. Ltd. |
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| Abstract: |
| The similar floatability of copper sulphide and molybdenite is the main reason for the difficulty in the flotation separation of copper and molybdenite. In this paper, the current status and new techniques of copper-molybdenum separation were introduced in detail. Copper-molybdenum ore is generally subjected to bulk flotation process, followed by copper-molybdenum separation through the depression of copper sulfide. However, conventional chalcopyrite depressants have the disadvantages of poor selectivity, large dosage and serious environmental pollution. In view of the disadvantages in current copper-molybdenum separation, researchers domestic and international have proposed some new techniques, such as oxidation-flotation, electrochemical flotation, seawater flotation, flotation column, selective leaching and superconducting magnetic separation. These techniques have obvious advantages, but they are just limited to the theoretical stage currently, which need to be further improved. In addition, the development of high-efficiency and low-toxic depressant is still the hot topic in copper-molybdenum separation. |
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