SPATIAL DISTRIBUTION AND RISK ASSESSMENT OF TUNGSTEN POLLUTION OF SOIL IN A SMELTING SITE

LI Huaxiang; ZHAO Xiujun; LIU Yinghua; LUO Zhiji

doi:10.13205/j.hjgc.202201021

Volume 40 Issue 1

Mar. 2022

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LI Huaxiang, ZHAO Xiujun, LIU Yinghua, LUO Zhiji. SPATIAL DISTRIBUTION AND RISK ASSESSMENT OF TUNGSTEN POLLUTION OF SOIL IN A SMELTING SITE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(1): 141-147. doi: 10.13205/j.hjgc.202201021

Citation:

LI Huaxiang, ZHAO Xiujun, LIU Yinghua, LUO Zhiji. SPATIAL DISTRIBUTION AND RISK ASSESSMENT OF TUNGSTEN POLLUTION OF SOIL IN A SMELTING SITE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(1): 141-147. doi: 10.13205/j.hjgc.202201021

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SPATIAL DISTRIBUTION AND RISK ASSESSMENT OF TUNGSTEN POLLUTION OF SOIL IN A SMELTING SITE

doi: 10.13205/j.hjgc.202201021

Aero Geophysical Survey and Remote Sensing Center of Henan Province, Nanyang 450000, China

Received Date: 2021-05-13
Available Online: 2022-03-30
Publish Date: 2022-03-30

Abstract

Abstract

Due to the less attention to the emerging pollutant tungsten in soil, this study focused on the soil of a tungsten smelting site in Luoyang, Henan province, and used the methods of spatial interpolation, single factor index, Nemerow index and potential ecological risk index to emphatically discuss the spatial distribution characteristics and potential ecological risk of tungsten in soil. The results showed that the soil tungsten contents in S10, S05 and S06 were higher than that in other functional areas; the enrichment degree of tungsten in soil layers Ⅰ and Ⅱ was much higher than that in soil layers Ⅲ and IV; with the increasing of soil depth, the areas of S01, S02, S04, S08, S10 and S12 reflected deep enriching tungsten, while S05, S06, S07 and S11 showed an surface enriching, and S03 and S09 showed an middle enriching; except for S01 and S12, the P_i of tungsten in surface and middle layer soil were minor and mild, the P_i of tungsten in the other areas of the site reached medium level; the tungsten composite indexes(P_N) of each soil layer showed that the whole soil layer was heavily polluted by tungsten; except for the surface soil tungsten in S05 area, the soil tungsten(E_i) in the other areas of the site was with a mild ecological risk; the comprehensive potential ecological risk(RI) of soil tungsten in each layer showed that the ecological risks of soil tungsten in Ⅰ and Ⅱ layers were moderate, and those in Ⅲ and IV layers were mild.
- smelting site,
- soil,
- tungsten,
- spatial distribution,
- ecological risk

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References(29)

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