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基于植物仿生的污染土壤原位自持修复中重金属形态变化分析

周建强,  韩君,  徐愿坚,  杨立鹏

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文章导航 > 环境工程技术学报  > 2017 >  7(1): 71-77
周建强, 韩君, 徐愿坚, 杨立鹏. 基于植物仿生的污染土壤原位自持修复中重金属形态变化分析[J]. 环境工程技术学报, 2017, 7(1): 71-77. doi: 10.3969/j.issn.1674-991X.2017.01.011
引用本文: 周建强, 韩君, 徐愿坚, 杨立鹏. 基于植物仿生的污染土壤原位自持修复中重金属形态变化分析[J]. 环境工程技术学报, 2017, 7(1): 71-77. doi: 10.3969/j.issn.1674-991X.2017.01.011
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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
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基于植物仿生的污染土壤原位自持修复中重金属形态变化分析

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

    中国科学院重庆绿色智能技术研究院,三峡生态环境研究所,中国科学院水库水环境重点实验室,重庆 401122

  • 2.

    北京新源国能科技集团股份有限公司,北京 100016

详细信息
    作者简介:

    周建强(1990—),男,硕士,主要从事土壤修复研究, 995774933@qq.com

    通讯作者:

    韩君 E-mail: han.j@e-etech.com

    徐愿坚 E-mail: xuyuanjian@cigit.ac.cn

  • 中图分类号: X53

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

  • 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

    摘要
  • 摘要: 采用基于植物仿生的污染土壤原位自持修复技术,研究了植物仿生修复技术的实地修复效果及修复过程中土壤Cr、Ni、Zn和Fe不同形态浓度的变化。结果表明:植物仿生修复3个月后土壤中Cr、Zn、Ni和Fe浓度逐月递减,分别下降17.33%、27.03%、31.60%和5.17%;4种重金属的形态变化并不相同,土壤Zn和Cr不同形态浓度的下降率为酸溶解态>可还原态>可氧化态>残渣态,土壤Ni和Fe不同形态浓度的下降率为酸溶解态>可氧化态>可还原态>残渣态。植物仿生修复装置填料和模拟叶片均能富集4种重金属,填料吸附性能的大小将影响模拟叶片中4种重金属的浓度。

     

    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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  • 收稿日期:  2016-06-12
  • 刊出日期:  2017-01-20

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