Heavy Metal Elements Pollution and Crop Effect of a Copper Mine

MAO Xiangju; BIAN Xiaodong; XIAO Fang; GUO Jungang; CHENG Xintao; WANG Wei

doi:10.13779/j.cnki.issn1001-0076.2018.06.032

2018 Vol. 38, No. 5

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Article navigation > Conservation and Utilization of Mineral Resources > 2018 > (5): 131-138

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MAO Xiangju, BIAN Xiaodong, XIAO Fang, GUO Jungang, CHENG Xintao, WANG Wei. Heavy Metal Elements Pollution and Crop Effect of a Copper Mine[J]. Conservation and Utilization of Mineral Resources, 2018, (5): 131-138. doi: 10.13779/j.cnki.issn1001-0076.2018.06.032

Citation:

MAO Xiangju, BIAN Xiaodong, XIAO Fang, GUO Jungang, CHENG Xintao, WANG Wei. Heavy Metal Elements Pollution and Crop Effect of a Copper Mine[J]. Conservation and Utilization of Mineral Resources, 2018, (5): 131-138. doi: 10.13779/j.cnki.issn1001-0076.2018.06.032

Heavy Metal Elements Pollution and Crop Effect of a Copper Mine

1.
Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, China
2.
China National Engineering Research Center of Utilization of Industrial Minerals, Zhengzhou 450006, China
3.
Key Laboratory of Evaluation and Multipurpose Utilization of Polymetallic Ores of Ministry of Natural Resources, Zhengzhou 450006, China
4.
Key Laboratory of Comprehensive Utilization of Gold Resource in Henan Province, Zhengzhou 450006, China

More Information

Corresponding author: BIAN Xiaodong, xiaodong475@163.com

Received Date: 09 May 2018

Publish Date: 25 October 2018

Abstract

Abstract

The environmental effect of water-soil-plant heavy metals was surveyed and discussed in a copper mine which located in Heilongjiang province. Results indicate that the acid waste water generated from oxidation and leaching from low grade sulfide ore was the mainly source to cause the pollution of acid water and heavy metals. There is a heavy pollution in upper Niqiu river, the content of Cu, Ni, Cd and Zn are 83.4, 62.0, 31.3, 10.0 fold of class Ⅲ surface water standard, where the pH ranges from 3 to 4. Although the content of heavy metals decreased, middle and lower reaches river even belong to the national standards poor five kind of water. The results of Nemerow multifactor index method showed that the comprehensive pollution index (P_N) of 93.28 percent of soil samples were lower than 0.7, belong to none-pollution. Compared to soil background values of neighborhood, the P_N of 23.12 percent of soil samples were higher than 0.7, belong to slight pollution and above. However, the exceed multiples were minor which showed not serious accumulative pollution. The contents of heavy metals in crop generally exceeded regional background values. In addition, The Ni and Zn content were higher than the national food safety standards of China. The research results provide scientific basis for heavy metal pollution of water and soil.
- copper mine /
- heavy metal elements /
- environmental media /
- environmental effect

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