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Experimental Research on Beneficiation of Ultra-fine Low-Grade Calcite-Containing Phosphorite from Hebei
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Long WANG1, Leichao YAN2, Xiangyuan WANG2, Jiachao LI2, Guoying HAN3, Guiliang CAI3, Zhaowang LIU3
Mining and Metallurgical Engineering | 2025, 45(3) : 125 - 129
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Mining and Metallurgical Engineering | 2025, 45(3): 125-129
• MINERAL PROCESSING •
Experimental Research on Beneficiation of Ultra-fine Low-Grade Calcite-Containing Phosphorite from Hebei
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Long WANG1, Leichao YAN2, Xiangyuan WANG2, Jiachao LI2, Guoying HAN3, Guiliang CAI3, Zhaowang LIU3
Affiliations
  • 1.Changsha Institute of Mining Research Co., Ltd., Changsha 410012, Hunan, China
  • 2.Chengde Zonghuan Mining Co., Ltd., Chengde 067000, Hebei, China
  • 3.Luanping Jianlong Mining Co., Ltd., Chengde 067000, Hebei, China
Published: 2025-06-01 doi: 10.3969/j.issn.0253-6099.2025.03.021
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The ultra-fine low-grade calcite-containing apatite concentrate that comes from Hebei Province cannot meet the grade requirement and is difficult to be utilized. For solving this problem, an experimental research was carried out to improve the concentrate grade. A depressant of CD-8 was adopted for calcite, the dominate gangue mineral affecting the grade of apatite concentrate, and a collector of CK-P with high selectivity was adopted for apatite. A closed-circuit experiment was performed with a direct flotation flowsheet, consisting of one roughing, one scavenging and three cleaning, with middlings sequentially returned. As a result, a phosphate concentrate with P2O5 grade of 32.02% was finally obtained with a recovery of 70.92%. This flowsheet was applied to industrial production with normal operation and stable flotation indicators, indicating that efficient utilization of such ultra-fine and refractory phosphorus resource was actualized.

phosphorite  /  flotation  /  calcite  /  apatite  /  collector  /  depressant
Long WANG, Leichao YAN, Xiangyuan WANG, Jiachao LI, Guoying HAN, Guiliang CAI, Zhaowang LIU. Experimental Research on Beneficiation of Ultra-fine Low-Grade Calcite-Containing Phosphorite from Hebei[J]. Mining and Metallurgical Engineering, 2025 , 45 (3) : 125 -129 . DOI: 10.3969/j.issn.0253-6099.2025.03.021
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Year 2025 volume 45 Issue 3
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.03.021
  • Receive Date：2024-12-14
  • Online Date：2026-03-19
  • Published：2025-06-01
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  • Received：2024-12-14
Affiliations
    1.Changsha Institute of Mining Research Co., Ltd., Changsha 410012, Hunan, China
    2.Chengde Zonghuan Mining Co., Ltd., Chengde 067000, Hebei, China
    3.Luanping Jianlong Mining Co., Ltd., Chengde 067000, Hebei, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2025.03.021
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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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