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| Study on Process Mineralogy of a Copper-Containing Iron Tailings in Yunnan |
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Received:July 06, 2019
Revised:August 28, 2019
Accepted:September 20, 2019
Published Online:May 14, 2020
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| DOI： |
| KeyWord:Iron tailings; chalcopyrite; magnetite; process mineralogy; secondary utilization of resource |
| Author | Institution |
| lu pei yao |
Faculty of Land Resources Engineering, Kunming University of Science and Technology |
| lu xian zhi |
Faculty of Land Resources Engineering, Kunming University of Science and Technology |
| chen ying jie |
Faculty of Land Resources Engineering, Kunming University of Science and Technology |
| ding zhan |
Faculty of Land Resources Engineering, Kunming University of Science and Technology |
| yu pan |
Faculty of Land Resources Engineering, Kunming University of Science and Technology |
| bai shao jun |
Faculty of Land Resources Engineering, Kunming University of Science and Technology |
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| Abstract: |
| Abstract：The copper-bearing iron tailing in Yunnan Province has a large reserve. In order to realize the secondary utilization of this resource, the technological mineralogy of the tailings was studied. The results showed that the copper grade in tailings was 0.15% and iron grade was 15.54%. The main copper mineral was chalcopyrite, which accounted for 66.67% of total copper, while the iron ore was mainly ferrosilicate and siderite and the content of magnetite was 6.71%. The main components of gangue minerals were SiO2 and Al2O3, and their contents were 33.42% and 7.66% respectively. The structure of ore presented semi-automorphic crystal structure, and the size of minerals was relatively uniform, ranging from 0.005 to 0.05 mm. The dissociation degree of target minerals was about 80%. Hence, recovering chalcopyrite and magnetite effectively was of a great practical significance for the development and utilization of this resource. |
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