Volume 7 Issue 1
Jan.  2017
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Article Navigation >  Journal of Environmental Engineering Technology  > 2017  >  7(1): 71-77
ZHOU Jianqiang, HAN Jun, XU Yuanjian, YANG Lipeng. Morphology analysis of heavy metals in soil pollution in-situ remediation technique based on phyto-mimic method[J]. Journal of Environmental Engineering Technology, 2017, 7(1): 71-77. doi: 10.3969/j.issn.1674-991X.2017.01.011
Citation: ZHOU Jianqiang, HAN Jun, XU Yuanjian, YANG Lipeng. Morphology analysis of heavy metals in soil pollution in-situ remediation technique based on phyto-mimic method[J]. Journal of Environmental Engineering Technology, 2017, 7(1): 71-77. doi: 10.3969/j.issn.1674-991X.2017.01.011
shu

Morphology analysis of heavy metals in soil pollution in-situ remediation technique based on phyto-mimic method

doi: 10.3969/j.issn.1674-991X.2017.01.011
  • 1.

    Key Laboratory of Reservoir Aquatic Environment, Three Gorges Ecological & Environmental Research Institute, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 401122, China

  • 2.

    Beijing E&E Technologies Group Corporation Limited, Beijing 100016, China

More Information
  • Corresponding author: HAN Jun E-mail: han.j@e-etech.com; XU Yuanjian E-mail: xuyuanjian@cigit.ac.cn
  • Received Date: 2016-06-12
  • Publish Date: 2017-01-20
    Abstract
  • The field remediation effect of phyto-mimic method and the changes of Cr, Ni, Zn and Fe in different forms of soil were studied, using the in situ remediation technique based on phyto-mimic method. Results showed that after three months of phyto-mimic remediation, the concentration of Cr, Zn, Ni and Fe decreased month by month, with the reduction rate for heavy metals being 17.33%, 27.03%, 31.60% and 5.17%, respectively. The morphological changes of the four kinds of heavy metals in phyto-mimic remediation are not the same. The reduction rate of soil Zn and Cr contents of different forms is as follows: acid soluble> reducible> oxidizable> residual fraction; while the reduction rate of soil Ni and Fe contents of different forms is as follows: acid soluble> oxidizable > reducible > residual fraction. The four kinds of heavy metals can be enriched in the filler and simulation blade of the phyto-mimic remediation device, and the adsorption properties of the filler will affect the content of the four kinds of heavy metals in the simulated blade.

     

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