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Influence of Particle Liberation Characteristics of Calcium-Magnesium Phosphate Ore on Its Flotation Behavior
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Jun YANG1, Yueqin QIU1, 2, 3, Song MAO1, 2, 3, Qin ZHANG2, 3, 4
Mining and Metallurgical Engineering | 2023, 43(1) : 50 - 54
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Mining and Metallurgical Engineering | 2023, 43(1): 50-54
• MINERAL PROCESSING •
Influence of Particle Liberation Characteristics of Calcium-Magnesium Phosphate Ore on Its Flotation Behavior
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Jun YANG1, Yueqin QIU1, 2, 3, Song MAO1, 2, 3, Qin ZHANG2, 3, 4
Affiliations
  • 1.School of Mining, Guizhou University, Guiyang 550025, Guizhou, China
  • 2.National & Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Areas, Guiyang 550025, Guizhou, China
  • 3.Guizhou Key Laboratory of Comprehensive Utilization of Non-metallic Mineral Resources, Guiyang 550025, China
  • 4.Guizhou Academy of Science, Guiyang 550001, Guizhou, China
Published: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.011
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A medium-low grade calcium-magnesium phosphate ore was ground to a fineness of 56.74% -0.075 mm and was used to study the liberation characteristics of particle size within varied ranges on its flotation behavior. The particles were classified into coarse ranges (+0.15 mm, -0.15+0.106 mm and -0.106+0.075 mm) and fine ranges (-0.075+0.038 mm and -0.038 mm). The content of different minerals in each size range was estimated by using X-ray fluorescence spectroscopy and X-ray powder diffraction analysis, while the intergrowth and monomer liberation was evaluated with the backscattering images obtained from scanning electron microscopy. It is found that the content of liberated minerals increases as the particle size decreases. Fluorapatite is primarily enriched in the coarser particles within the size range of +0.075 mm, whereas dolomite is concentrated mainly in fine particles of -0.075 mm. By improving the selective aggregation of valuable minerals and gangues in size range of -0.038 mm, the P2O5 loss can be reduced. Furthermore, by reducing the content of coarse particles within the size of +0.075 mm and increasing the content of particles within -0.075+0.038 mm range, both P2O5 grade and recovery of the concentrates can be effectively improved.

calcium-magnesium phosphate ore  /  liberation characteristics  /  flotation
Jun YANG, Yueqin QIU, Song MAO, Qin ZHANG. Influence of Particle Liberation Characteristics of Calcium-Magnesium Phosphate Ore on Its Flotation Behavior[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 50 -54 . DOI: 10.3969/j.issn.0253-6099.2023.01.011
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.01.011
  • Receive Date：2022-09-14
  • Online Date：2026-03-05
  • Published：2023-02-01
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  • Received：2022-09-14
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Affiliations
    1.School of Mining, Guizhou University, Guiyang 550025, Guizhou, China
    2.National & Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Areas, Guiyang 550025, Guizhou, China
    3.Guizhou Key Laboratory of Comprehensive Utilization of Non-metallic Mineral Resources, Guiyang 550025, China
    4.Guizhou Academy of Science, Guiyang 550001, Guizhou, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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