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Current Situation of Heavy Metal Pollution and Ecological Risk Assessment of Stone Coal Mine in Hunan Province
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Sanxi CHEN1, Jia SU2, Xing ZENG2
Mining and Metallurgical Engineering | 2023, 43(5) : 103 - 108
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Mining and Metallurgical Engineering | 2023, 43(5): 103-108
• METALLURGY •
Current Situation of Heavy Metal Pollution and Ecological Risk Assessment of Stone Coal Mine in Hunan Province
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Sanxi CHEN1, Jia SU2, Xing ZENG2
Affiliations
  • 1.Hunan Construction Engineering Traffic Construction Co Ltd, Changsha 410004, Hunan, China
  • 2.Hunan Province Key Laboratory of Geotechnical Engineering Stability Control and Health Monitoring, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
Published: 2023-10-01 doi: 10.3969/j.issn.0253-6099.2023.05.024
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To investigate the current situation of heavy metal pollution in a stone coal mine in Hunan Province, the content of Cd, Hg, As, Pb, Cr, Cr (Ⅵ), Zn, Fe, and Mn in water and soil samples was determined by using ICP, and the risk of heavy metal pollution was evaluated by using the Nemerow pollution index and potential ecological hazard index respectively. The results show that concentrations of Cd, Cr (Ⅵ), Zn, Fe and Mn in water are 1.935 5, 0.025 3, 6.024 9, 16.222 0 and 4.214 9 mg/L on average, with pollution indices of 387.10, 5.06, 3.01, 54.07 and 42.15, presenting the pollution degree in the following descending order: Cd>Fe>Mn>Cr (Ⅵ)>Zn; while content of Pb、Zn、Cr、As、Hg and Cd in the soil is 8.51, 38.59, 18.65, 10.01, 0.18 and 3.41 mg/kg on average, with ecological risk coefficient of 2.13, 0.98, 0.85, 18.00, 28.55 and 339.80 on average, presenting pollution degree in the following descending order: Cd>Hg>As>Pb>Zn>Cr. It is shown that the comprehensive potential ecological risk indices of the whole mine is 390.31, indicating a higher ecological pollution risk. The mine area is polluted by several kinds of heavy metals, especially in the downstream areas of waste dump and sedimentation tank.

stone coal mine  /  heavy metal pollution  /  pollution characteristics  /  Nemero pollution index method  /  potential ecological risk index method
Sanxi CHEN, Jia SU, Xing ZENG. Current Situation of Heavy Metal Pollution and Ecological Risk Assessment of Stone Coal Mine in Hunan Province[J]. Mining and Metallurgical Engineering, 2023 , 43 (5) : 103 -108 . DOI: 10.3969/j.issn.0253-6099.2023.05.024
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Year 2023 volume 43 Issue 5
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doi: 10.3969/j.issn.0253-6099.2023.05.024
  • Receive Date：2023-04-01
  • Online Date：2026-03-05
  • Published：2023-10-01
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  • Received：2023-04-01
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Affiliations
    1.Hunan Construction Engineering Traffic Construction Co Ltd, Changsha 410004, Hunan, China
    2.Hunan Province Key Laboratory of Geotechnical Engineering Stability Control and Health Monitoring, Hunan University of Science and Technology, Xiangtan 411201, 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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