Evaluation of the potential risks of heavy metal contamination in rice paddy soils around an abandoned Hg mine area in Southwest China

2019 ◽  
Vol 39 (1) ◽  
pp. 85-95 ◽  
Author(s):  
Bayou Adlane ◽  
Zhidong Xu ◽  
Xiaohang Xu ◽  
Longchao Liang ◽  
Jialiang Han ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Contamination ◽  
Southwest China ◽  
Heavy Metal Contamination ◽  
Rice Paddy ◽  
Paddy Soils ◽  
Mine Area ◽  
Potential Risks ◽  
Rice Paddy Soils

scholarly journals Remediation of Heavy Metal Contamination in Paddy Soils through Soil Leaching Combined with Biosorption

2018 ◽  
Vol 381 ◽  
pp. 012034
Author(s):  
Xiaojuan Li ◽  
Zhongmin Wang ◽  
Haijun Liang ◽  
Zhide Zhou ◽  
Guiyin Li
Keyword(s):  
Heavy Metal ◽  
Metal Contamination ◽  
Heavy Metal Contamination ◽  
Paddy Soils ◽  
Soil Leaching

Assessment of potential risks associated with heavy metal contamination in sediment in Aobaopao Lake, China, determined from sediment cores

Ecotoxicology ◽  
2014 ◽  
Vol 23 (4) ◽  
pp. 527-537 ◽  
Author(s):  
Haifeng Xiao ◽  
Shuying Zang ◽  
Ying Guan ◽  
Shaojun Liu ◽  
Yan Gao ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Contamination ◽  
Heavy Metal Contamination ◽  
Sediment Cores ◽  
Potential Risks

scholarly journals Effect of Land Use Conversion on Surface Soil Heavy Metal Contamination in a Typical Karst Plateau Lakeshore Wetland of Southwest China

2019 ◽  
Vol 17 (1) ◽  
pp. 84
Author(s):  
Caili Sun ◽  
Sixi Zhu ◽  
Bin Zhao ◽  
Wujiang Li ◽  
Xiaoye Gao ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Land Use ◽  
Metal Contamination ◽  
Southwest China ◽  
Heavy Metal Contamination ◽  
Waste Treatment ◽  
Surface Soil ◽  
Land Use Conversion ◽  
Soil Heavy Metal ◽  
Land Use Types

Land use conversion could directly or indirectly influence heavy metal geochemistry by changing soil properties. The aim of this study was to explore the effect of land use conversion on surface soil heavy metal contamination in the karst plateau lakeshore wetlands of Southwest China. Based on this, a total of 120 soil samples were collected from 30 sites from different types of land uses (farmlands, grasslands and woodlands) around a lake in Suohuangcang National Wetland Park in August 2017. Contents of As, Cd, Cu, Cr, Hg, Pb and Zn were analyzed, and soil heavy metal contamination was assessed in all three land use types. Results showed that land use transformation from farmland to grassland or woodland was not conducive to the release of soil heavy metal. Surface soil of all three land use types have been moderately polluted by As, Cr, Pb, and Zn, and grassland and woodland also had moderate Cd contamination. The pollution load index (PLI) results revealed low heavy metal contamination in grassland and woodland but no contamination in farmland. Although the integrated contamination in the studied region did not pose a serious potential ecological risk (RI < 150), it might affect human health through the water supply and food chain. Therefore, it is necessary to monitor and control As, Cd, Cr, Pb, and Zn concentrations of surface soil through controlling pollutants, improving waste treatment, as well as strengthening supervision and management in the vicinity of the Suohuangcang National Wetland Park.

scholarly journals Heavy metal contamination of soil based on pollution, geo-accumulation indices and enrichment factor in Phan Me coal mine area, Thai Nguyen province, Vietnam

2020 ◽  
Vol 42 (2) ◽  
pp. 105-117
Author(s):  
Nguyen Van Hoang ◽  
Le Quang Dao ◽  
Dong Thu Van ◽  
Pham Lan Hoa
Keyword(s):  
Heavy Metal ◽  
Enrichment Factor ◽  
Coal Mine ◽  
Metal Contamination ◽  
Heavy Metal Contamination ◽  
Pollution Index ◽  
High Concentration ◽  
Mine Area ◽  
Accumulation And Enrichment ◽  
Geo Accumulation

Soil samples around the Phan Me coal mine area, Thai Nguyen province, Vietnam had been analyzed for Fe, Mn, Cu, Zn, As, Cd, Hg, Pb and Ni. Single pollution index, geo-accumulation index, enrichment factor have been determined and used for assessing the soil quality. In average by pollution index, the soil heavy metal pollution sequence is Cu(PI=4.2)>Cd(3.5)>Zn(3.1) >Pb(1.7)>Ni(1.3). High concentrations of Cu, Zn and Cd in the soil in the study area are thanks to geo-accumulation and enrichment of the metals in the soil. The soil is from moderately to heavily contaminated by Cu, Zn and Cd: Cu and Zn concentrations are 1.5-2.8 times higher than the ecological risk values, and Cd concentration is about 3.5 times higher than allowable limits. The high concentration of Pb is thanks to moderate geo-accumulation and enrichment of Pb, and the soil mostly has Pb concentration higher than the allowable limit in about 1.7 times. There is a sign that the soil is contaminated by Ni: 22% of the samples have Ni concentration higher than the threshold value, however, the enrichment of Ni is only deficient to minimal. The results of the assessment highlight the need for a comprehensive and detailed study program on heavy metal content in different soil resources in a wider area to identify the magnitude and details of the problem associated with heavy metal contamination for the development of a remediation plan and more effective pollution preventing measures.

scholarly journals Assessment of the Heavy Metal Contamination in Paddy Soils Below Part of the Closed Metalliferous Mine

2015 ◽  
Vol 34 (1) ◽  
pp. 6-13 ◽  
Author(s):  
Min-Kyeong Kim ◽  
Sung-Chang Hong ◽  
Myung-Hyun Kim ◽  
Soon-Kun Choi ◽  
Jong-Sik Lee ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Contamination ◽  
Heavy Metal Contamination ◽  
Paddy Soils

Cytotoxic assessment of flying barb fish (Esomus metallicus) from a gold mine area with heavy metal contamination

2017 ◽  
Vol 74 (4) ◽  
pp. 613-624 ◽  
Author(s):  
Lamyai Neeratanaphan ◽  
Chatpong Khamlerd ◽  
Sutee Chowrong ◽  
Somsak Intamat ◽  
Manop Sriuttha ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Contamination ◽  
Heavy Metal Contamination ◽  
Gold Mine ◽  
Mine Area
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