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生物合成Bio-MnOx对砷污染土壤的稳定化效果分析

王华伟 吴雅静 徐榕 孙英杰 李书鹏 王亚楠 钟辰语 时昌飞

王华伟, 吴雅静, 徐榕, 孙英杰, 李书鹏, 王亚楠, 钟辰语, 时昌飞. 生物合成Bio-MnOx对砷污染土壤的稳定化效果分析[J]. 环境工程, 2021, 39(9): 205-210,216. doi: 10.13205/j.hjgc.202109029
引用本文: 王华伟, 吴雅静, 徐榕, 孙英杰, 李书鹏, 王亚楠, 钟辰语, 时昌飞. 生物合成Bio-MnOx对砷污染土壤的稳定化效果分析[J]. 环境工程, 2021, 39(9): 205-210,216. doi: 10.13205/j.hjgc.202109029
WANG Hua-wei, WU Ya-jing, XU Rong, SUN Ying-jie, LI Shu-peng, WANG Ya-nan, ZHONG Chen-yu, SHI Chang-fei. STABILIZATION OF ARSENIC IN CONTAMINATED SOILS USING BIOLOGICAL Mn OXIDE (Bio-MnOx)[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 205-210,216. doi: 10.13205/j.hjgc.202109029
Citation: WANG Hua-wei, WU Ya-jing, XU Rong, SUN Ying-jie, LI Shu-peng, WANG Ya-nan, ZHONG Chen-yu, SHI Chang-fei. STABILIZATION OF ARSENIC IN CONTAMINATED SOILS USING BIOLOGICAL Mn OXIDE (Bio-MnOx)[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 205-210,216. doi: 10.13205/j.hjgc.202109029

生物合成Bio-MnOx对砷污染土壤的稳定化效果分析

doi: 10.13205/j.hjgc.202109029
基金项目: 

国家自然科学基金(41907111);山东省重点研发项目(公益类)(2018GSF117030);国家创新训练项目(S202010429077)。

详细信息
    作者简介:

    王华伟(1984-),男,博士,副教授,主要研究方向为固体废物污染控制与污染土壤修复技术。wanghuawei210@163.com

    通讯作者:

    王华伟(1984-),男,博士,副教授,主要研究方向为固体废物污染控制与污染土壤修复技术。wanghuawei210@163.com

STABILIZATION OF ARSENIC IN CONTAMINATED SOILS USING BIOLOGICAL Mn OXIDE (Bio-MnOx)

  • 摘要: 通过室内模拟实验,研究了生物合成锰氧化物(Bio-MnOx)材料对污染土壤中砷(As)的稳定化效果。结果表明:1)Bio-MnOx的加入能够有效降低砷的浸出量,其中水溶性砷含量由2.28 mg/kg降至0.86 mg/kg,减少62.3%;2)五步连续法浸提结果发现,Bio-MnOx处理后水溶态砷和表面吸附态砷的相对含量显著降低;3)风险分析进一步表明Bio-MnOx处理后砷的环境风险降低;4)基于细菌16s RNA生物多样性分析表明,经过Bio-MnOx处理后,土壤微生物多样性的丰富度显著增加;5)微生物群落结构分析发现,土壤微生物群落结构发生明显演替,属水平下的细菌结构由芽孢杆菌属向梭状芽孢菌属、丛毛单胞菌属、敏感梭菌属等转变。总体而言,Bio-MnOx是一种比较有效的修复砷污染土壤的生物材料。
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出版历程
  • 收稿日期:  2020-11-13
  • 网络出版日期:  2022-01-21

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