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改良剂对土壤Pb、Zn赋存形态的影响

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孙晓铧, 黄益宗, 伍文, 钟敏, 徐峰, 刘崇敏, 于方明. 改良剂对土壤Pb、Zn赋存形态的影响[J]. 环境化学, 2013, 32(5): 881-885. doi: 10.7524/j.issn.0254-6108.2013.05.023
引用本文: 孙晓铧, 黄益宗, 伍文, 钟敏, 徐峰, 刘崇敏, 于方明. 改良剂对土壤Pb、Zn赋存形态的影响[J]. 环境化学, 2013, 32(5): 881-885. doi: 10.7524/j.issn.0254-6108.2013.05.023
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SUN Xiaohua, HUANG Yizong, WU Wen, ZHONG Min, XU Feng, LIU Chongmin, YU Fangming. Effect of amendments on fractionation of Pb and Zn in soil[J]. Environmental Chemistry, 2013, 32(5): 881-885. doi: 10.7524/j.issn.0254-6108.2013.05.023
Citation: SUN Xiaohua, HUANG Yizong, WU Wen, ZHONG Min, XU Feng, LIU Chongmin, YU Fangming. Effect of amendments on fractionation of Pb and Zn in soil[J]. Environmental Chemistry, 2013, 32(5): 881-885. doi: 10.7524/j.issn.0254-6108.2013.05.023
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改良剂对土壤Pb、Zn赋存形态的影响

  • 1.

    中国科学院生态环境研究中心, 北京, 100085;

  • 2.

    广西师范大学环境与资源学院, 桂林, 541004

  • 基金项目:

    国家重金属污染治理专项"广西环江县大环江流域土壤重金属污染治理工程项目"

    国家水体污染控制与治理科技重大专项(2009ZX07212-001-05) 资助.

Effect of amendments on fractionation of Pb and Zn in soil

  • 1.

    Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences,Beijing, 100085, China;

  • 2.

    Environmental and Resource Institute, Guangxi Normal University, Guilin, 541004, China

  • Fund Project:

  • 摘要: 采用室内模拟培养修复方法研究海泡石、骨炭、油菜秸秆和生石灰对土壤Pb、Zn赋存形态的影响,结果表明,酸性土壤中添加这4种改良剂均显著性地提高土壤的pH.添加油菜秸秆和生石灰处理可显著地降低土壤酸可提取态Zn含量,培养2个月后,土壤酸可提取态Zn含量分别比对照降低17.4%和34.6%.4种改良剂中,除了海泡石外,油菜秸秆、骨炭和生石灰处理均可以显著地降低土壤中酸可提取态Pb含量.添加油菜秸秆、骨炭和生石灰可使土壤可交换态Pb比对照分别降低87.1%、82.6%和25.6%(培养1个月),93.7%、73.3%和39.0%(培养2个月).油菜秸秆和骨炭是具有修复Pb污染土壤的潜力材料.
    Abstract: To investigate the effect of sepiolite, bone char, rape straw and limestone on fractionation of Pb and Zn in soil, laboratory-simulation incubation experiment was conducted. The results showed that the four amendments could all increase the value of pH in soil. Addition of rape straw and limestone could significantly decrease the concentration of HOAC-soluble Zn in soil. After 2 months of incubation,the concentration of HOAC-soluble Zn in rape straw and limestone treatments decreased by 17.4% and 34.6% comparing with the control. Except for sepiolite treatment, the other three amendment treatments could decrease the concentration of HOAC-soluble Pb in soil. Addition of rape straw, bone char and limestone decreased the concentration of HOAC-soluble Pb by 87.1%, 82.6% and 25.6% (one month incubation), 93.7%, 73.3% and 39.0% (two month incubation)respectively, comparing with the control. Rape straw and bone char were the potential materials to rehabilitate the Pb contaminated soil.
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  • 收稿日期:  2012-07-13

改良剂对土壤Pb、Zn赋存形态的影响

  • 1.  中国科学院生态环境研究中心, 北京, 100085;
  • 2.  广西师范大学环境与资源学院, 桂林, 541004
  • 收稿日期:  2012-07-13
基金项目:

国家重金属污染治理专项"广西环江县大环江流域土壤重金属污染治理工程项目"

国家水体污染控制与治理科技重大专项(2009ZX07212-001-05) 资助.

摘要: 采用室内模拟培养修复方法研究海泡石、骨炭、油菜秸秆和生石灰对土壤Pb、Zn赋存形态的影响,结果表明,酸性土壤中添加这4种改良剂均显著性地提高土壤的pH.添加油菜秸秆和生石灰处理可显著地降低土壤酸可提取态Zn含量,培养2个月后,土壤酸可提取态Zn含量分别比对照降低17.4%和34.6%.4种改良剂中,除了海泡石外,油菜秸秆、骨炭和生石灰处理均可以显著地降低土壤中酸可提取态Pb含量.添加油菜秸秆、骨炭和生石灰可使土壤可交换态Pb比对照分别降低87.1%、82.6%和25.6%(培养1个月),93.7%、73.3%和39.0%(培养2个月).油菜秸秆和骨炭是具有修复Pb污染土壤的潜力材料.

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