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Experimental Study on Mineralogical Characteristics and Comprehensive Utilization of a Low Grade Sandy Kaolin in Hunan Province
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Yangwu FAN, Guangqi WANG, Guixiu LI, Zhaoen LUO, Chengliang SHU
Mining and Metallurgical Engineering | 2026, 46(2) : 124 - 128
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Mining and Metallurgical Engineering | 2026, 46(2): 124-128
• MINERAL PROCESSING •
Experimental Study on Mineralogical Characteristics and Comprehensive Utilization of a Low Grade Sandy Kaolin in Hunan Province
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Yangwu FAN, Guangqi WANG, Guixiu LI, Zhaoen LUO, Chengliang SHU
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  • Natural Resources Survey Institute of Hunan Province, Changsha 410007, Hunan, China
doi: 10.3969/j.issn.0253-6099.2026.02.019
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Aiming at a low-grade sandy kaolin with complex occurrence state in Hunan, a process consisting of pulping, cyclone classification, grinding for desliming and reverse flotation was developed. A closed-circuit test produced a kaolin concentrate grading 28.64% Al2O3 with a comprehensive yield of 49.74%, as well as a quartz concentrate grading 93.61% SiO2 with a yield of 32.24%. It is concluded that minerals such as kaolinite and quartz can be effectively separated, thus comprehensive utilization of resources can be actualized.

kaolin ore  /  mineralogical characteristics  /  cyclone classification  /  reverse flotation  /  kaolinite  /  quartz  /  desliming
范洋武, 王光奇, 李桂秀, 罗招恩, 舒成樑. 湖南某低品位砂质高岭土矿物学特征与综合利用试验研究. 矿冶工程杂志, 2026 , 46 (2) : 124 -128 . DOI: 10.3969/j.issn.0253-6099.2026.02.019
Yangwu FAN, Guangqi WANG, Guixiu LI, Zhaoen LUO, Chengliang SHU. Experimental Study on Mineralogical Characteristics and Comprehensive Utilization of a Low Grade Sandy Kaolin in Hunan Province[J]. Mining and Metallurgical Engineering, 2026 , 46 (2) : 124 -128 . DOI: 10.3969/j.issn.0253-6099.2026.02.019
Year 2026 volume 46 Issue 2
89
11
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doi: 10.3969/j.issn.0253-6099.2026.02.019
  • Receive Date:2025-10-30
  • Online Date:2026-10-08
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  • Received:2025-10-30
Affiliations
    Natural Resources Survey Institute of Hunan Province, Changsha 410007, Hunan, 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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