| Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences | Host |
| Citation: |
Wu Di, Wang Hongling, Meng Qingbo, Gao Yude, Yang Xiaowen, Zhang Xiaogang. Experimental Research on Recovery of Fluorite from a Polymetallic Mine Tailing in Inner Mongolia[J]. Multipurpose Utilization of Mineral Resources, 2022, 43(6): 155-158, 166. doi: 10.3969/j.issn.1000-6532.2022.06.026
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Experimental Research on Recovery of Fluorite from a Polymetallic Mine Tailing in Inner Mongolia
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Abstract
Flotation tailings of a polymetallic mine in Inner Mongolia contain fluorite resources. Due to the influence of the tungsten-tin flotation reagent and the ore embedded characteristics in the early stage, the fluorite flotation concentrate grade is up to 92%, and the recovery is about 30%. The fluorite resources in the tailings were not effectively recovered. In this study, the beneficiation feed grade of fluorite was improved by waste disposal with pre-magnetic separation, and organic depressor HG-1 was used instead of acidified water glass. Under the condition of original ore CaF2 grade of 17.65%, the fluorite concentrate with CaF2 grade of 97.26% and recovery of 63.15% was obtained, which realized the comprehensive recovery of fluorite resources in tailings.
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References
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Wu Di, Wang Hongling, Meng Qingbo, Gao Yude, Yang Xiaowen, Zhang Xiaogang. Experimental Research on Recovery of Fluorite from a Polymetallic Mine Tailing in Inner Mongolia[J]. Multipurpose Utilization of Mineral Resources, 2022, 43(6): 155-158, 166. doi: 10.3969/j.issn.1000-6532.2022.06.026
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Figure 1.
Flowsheet of magnetic separation test
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Figure 2.
Results of magnetic separation test
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Figure 3.
Flowsheet of fluorite roughing test
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Figure 4.
Results of sodium carbonate dosage test
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Figure 5.
Results of water glass dosage test
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Figure 6.
Results of collector OZ dosage test
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Figure 7.
Flowsheet of fluorite cleaning test
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Figure 8.
Results of depressor comparison test
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Figure 9.
Flowsheet of whole test