| Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences | Host |
| Citation: |
TAN Xin, XIAO Qiaobin. Mineral Processing Study on a High-mud Quartz-type Fluorite Ore From Inner Mongolia Using a Low-temperature-resistant Fatty Collector[J]. Conservation and Utilization of Mineral Resources, 2022, 42(2): 42-48. doi: 10.13779/j.cnki.issn1001-0076.2022.02.005
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Mineral Processing Study on a High-mud Quartz-type Fluorite Ore From Inner Mongolia Using a Low-temperature-resistant Fatty Collector
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Abstract
Mineral processing study was carried out on a high-mud quartz-type fluorite ore with CaF2 content of 41.14%, SiO2 content of 42.59% and CaCO3 content of 1.68% from Inner Mongolia. The two processes of flotation of sequential return of the middlings and discarding the tailings of scavenging from the middlings of cleaning Ⅰ were proposed based on the characteristics of the ore property, firstly, the fluorite rough concentrate was obtained by flotation with sodium carbonate and water glass as modifier, collector BK410B, a kind of low-temperature resistance modified fatty acid collector, and then the fluorite minerals were recovered by flotation separation from the fluorite rough concentrate after being reground with acidized water glass as modifier and the fluorite concentrate was obtained. The comparison tests were conducted by adopting two technological processes of sequential return of the middlings and discarding the tailings of scavenging from the middlings of cleaning Ⅰ. Finally, the flowsheet of discarding the tailings of scavenging from the middlings of cleaning Ⅰ was determined, and the results of closed-circuit test were obtained the fluorite concentrate with grading 97.68% CaF2, 0.55% CaCO3, 1.38% SiO2 and CaF2 recovery of 95.72%. It can be achieved efficient recovery of the fluorite minerals in new process of the ore.
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References
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TAN Xin, XIAO Qiaobin. Mineral Processing Study on a High-mud Quartz-type Fluorite Ore From Inner Mongolia Using a Low-temperature-resistant Fatty Collector[J]. Conservation and Utilization of Mineral Resources, 2022, 42(2): 42-48. doi: 10.13779/j.cnki.issn1001-0076.2022.02.005
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Figure 1.
Flowsheet of fluorite flotation in roughing
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Figure 2.
Effect of grinding fineness in roughing on flotation performance of fluorite
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Figure 3.
Effect of kind(a) and dosage(b) of regulator in roughing on flotation performance of fluorite
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Figure 4.
Effect of dosage of inhibitor water glass in roughing on flotation performance of fluorite
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Figure 5.
Effect of kind(a), temperature(b) and dosage(b) of collector in roughing on flotation performance of fluorite
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Figure 6.
Flowsheet of regrinding fineness on fluorite rough concentrate of cleaning
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Figure 7.
Effect of regrinding fineness of fluorite rough concentrate on cleaning of fluorite rough concentrate
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Figure 8.
Flowsheet of dosage of acidized water glass in cleaning Ⅰ
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Figure 9.
Results of dosage of acidized water glass in cleaning Ⅰ
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Figure 10.
Closed-circuit test flowsheet of Process Ⅰ