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Flotation of Highly Alkali-Depressed Pyrite Activated by Using Acid Mine Drainage Combined with Pulp Regulator
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Yong ZENG1, 2, Tao SHEN3, Zhongbao HUA1, 2, Qi XIONG1, 2, Yan CHEN3, Li WANG1, 2, Wei SUN1, 2, Honghu TANG1, 2, Xiqing WU1, 2
Mining and Metallurgical Engineering | 2024, 44(6) : 50 - 53
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Mining and Metallurgical Engineering | 2024, 44(6): 50-53
• MINERAL PROCESSING •
Flotation of Highly Alkali-Depressed Pyrite Activated by Using Acid Mine Drainage Combined with Pulp Regulator
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Yong ZENG1, 2, Tao SHEN3, Zhongbao HUA1, 2, Qi XIONG1, 2, Yan CHEN3, Li WANG1, 2, Wei SUN1, 2, Honghu TANG1, 2, Xiqing WU1, 2
Affiliations
  • 1.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
  • 2.Engineering Research Center of Carbon Emission Reduction in Development and Utilization of Metal Resources, Ministry of Education, Central South University, Changsha 410083, Hunan, China
  • 3.Yinshan Mining Co., Ltd., Jiangxi Copper Corporation Limited, Shangrao 334201, Jiangxi, China
Published: 2024-12-01 doi: 10.3969/j.issn.0253-6099.2024.06.011
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Acid mine drainage (AMD) and a pulp regulator, TY-308, were used combinedly for activation in flotation of highly alkali-depressed pyrite, in which AMD was used to neutralize the pulp alkalinity, and TY-308 used to reduce the negative effect of AMD on flotation. A closed-circuit test on flotation with the process consisting of one-stage roughing, one-stage cleaning and one-stage scavenging yielded a pyrite concentrate grading 48.73% S at 97.93% recovery. Compared with the practice using sulfuric acid as the activator, the sulfur recovery can be increased by 1.34 percentage points. Furthermore, not only the cost for AMD treatment will be significantly reduced, but the safety risk associated with the use of concentrated sulfuric acid can be avoided.

pyrite  /  acid mine drainage  /  concentrated sulfuric acid  /  activation  /  highly alkalinity  /  sulfur concentrate  /  regulator  /  flotation
Yong ZENG, Tao SHEN, Zhongbao HUA, Qi XIONG, Yan CHEN, Li WANG, Wei SUN, Honghu TANG, Xiqing WU. Flotation of Highly Alkali-Depressed Pyrite Activated by Using Acid Mine Drainage Combined with Pulp Regulator[J]. Mining and Metallurgical Engineering, 2024 , 44 (6) : 50 -53 . DOI: 10.3969/j.issn.0253-6099.2024.06.011
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doi: 10.3969/j.issn.0253-6099.2024.06.011
  • Receive Date：2024-06-19
  • Online Date：2026-03-19
  • Published：2024-12-01
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  • Received：2024-06-19
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Affiliations
    1.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
    2.Engineering Research Center of Carbon Emission Reduction in Development and Utilization of Metal Resources, Ministry of Education, Central South University, Changsha 410083, Hunan, China
    3.Yinshan Mining Co., Ltd., Jiangxi Copper Corporation Limited, Shangrao 334201, Jiangxi, 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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