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| Experimental Research on Flotation of a Carbonate-type Fluorite Ore From Yunnan |
| Received:November 06, 2020 Revised:November 11, 2020 |
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| DOI：doi：10.3969/j.issn.1671-9492.2021.03.009 |
| KeyWord:Carbonate-type fluorite ore; Flotation; Low grade; Collector |
| Author | Institution |
| LIU Wenbiao |
Faculty of Land Resource Engineering, Kunming University of Science and Technology |
| ZHENG Yongming |
R & D center, Yunnan YunTianHua Co.,Ltd |
| WANG Jianfei |
Honghe Center of Quality Supervision and Insepection |
| WAN Banglong |
Faculty of Land Resource Engineering, Kunming University of Science and Technology |
| WEN Shuming |
Faculty of Land Resource Engineering, Kunming University of Science and Technology |
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| Abstract: |
| Through chemical analysis and SEM process mineralogy analysis, it is found that the CaF2 content of a certain carbonate fluorite ore in Yunnan is 22.38% and that of calcite is 56.46%, which is a low-grade fluorite. According to the ore properties, using high-efficiency fluorite collector CYY-1, gangue inhibitor Dannin, grinding fineness of -0.075 mm 72.03%, the separation of fluorite and calcite is well realized , and good beneficiation indexes can be obtained by the closed circuit test process that is one roughing, one scavenging and five refining: CaF2 grade is 96.59%, recovery rate is 73.94%. |
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