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| Mineralogy and gravity separation tests of refractory antimony oxide ore in Guizhou province |
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Received:September 15, 2023
Revised:September 22, 2023
Accepted:September 25, 2023
Published Online:March 24, 2025
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| DOI： |
| KeyWord:Antimony oxide ore; Gravity separation; spiral chute; Fine particle separation |
| Author | Institution |
| Wang Zhenxing |
State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming; Faculty of Land Resource Engineering, Kunming University of Science and Technology |
| Zheng Yongxing |
State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming; Faculty of Land Resource Engineering, Kunming University of Science and Technology |
| Huang Xiang |
Guangdong Yueqiao New Material Technology Co., Ltd |
| Xie Xiaochen |
State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming; Faculty of Land Resource Engineering, Kunming University of Science and Technology |
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| Abstract: |
| In this paper, a refractory antimony ore in Guizhou province was taken as the research object. The mineralogy of the ore was studied by X-ray fluorescence spectroscopy, X-ray diffraction analysis and electron microprobe analysis. The results showed that the Sb content in the raw ore was 1.21 %, and the antimony-bearing minerals were valentinite, tripuhyite and stibnite. Gangue were quartz, fluorite and mica. A classification-gravity separation method was adopted to treat the ore. Firstly, two products of + 74 μm and-74 μm were obtained by classifying. A combined flowsheet of grinding- spiral chute-shaking table was used to treat the ore at a size of +74μm. A shaking table concentrate containing 6.03% Sb with a recovery of 56.90% was obtained. A flow membrane concentrator was used to treat the ore at a size of -74μm. A concentrate containing 4.87% Sb was obtained and the recovery of Sb was 26.12%. Based on the results of mineralogical research and gravity separation tests, it will provide a reference for the development of an antimony ore in Guizhou province. |
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