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    浅层地下水氯代烃污染天然生物降解的判别依据

    何江涛 史敬华 崔卫华 刘菲 陈鸿汉

    何江涛, 史敬华, 崔卫华, 刘菲, 陈鸿汉, 2004. 浅层地下水氯代烃污染天然生物降解的判别依据. 地球科学, 29(3): 357-362.
    引用本文: 何江涛, 史敬华, 崔卫华, 刘菲, 陈鸿汉, 2004. 浅层地下水氯代烃污染天然生物降解的判别依据. 地球科学, 29(3): 357-362.
    HE Jiang-tao, SHI Jing-hua, CUI Wei-hua, LIU Fei, CHEN Hong-han, 2004. Determining Criterions for Natural Biodegradation of Chlorinated Hydrocarbons in Shallow Groundwater. Earth Science, 29(3): 357-362.
    Citation: HE Jiang-tao, SHI Jing-hua, CUI Wei-hua, LIU Fei, CHEN Hong-han, 2004. Determining Criterions for Natural Biodegradation of Chlorinated Hydrocarbons in Shallow Groundwater. Earth Science, 29(3): 357-362.

    浅层地下水氯代烃污染天然生物降解的判别依据

    基金项目: 

    国家自然科学基金项目 40372109

    海外青年学者合作研究基金项目 40228004

    详细信息
      作者简介:

      何江涛(1974-), 男, 副教授, 主要从事水污染与控制的教学与研究.E-mail: jthecugb@163.com; jthe@cugb.edu.cn

    • 中图分类号: X703

    Determining Criterions for Natural Biodegradation of Chlorinated Hydrocarbons in Shallow Groundwater

    • 摘要: 天然条件下氯代烃生物降解的判别, 是确定氯代烃污染天然衰减恢复治理技术是否可以采用的关键, 可为天然衰减恢复治理技术的应用提供技术支持.通过分析氯代烃生物降解的特性发现, 地下水环境中氯代烃的生物降解, 必然伴随有第一基质、电子受体、中间产物以及有关的一些间接性指标, 在污染羽状体不同位置及污染羽状体内外产生明显变化, 这些指标的变化均可以不同程度地指示氯代烃生物降解的产生.据此总结出氯代烃生物降解衰减的判别依据分别为电子受体、第一基质(能源和碳源) 及降解中间产物三类指标.

       

    • 图  1  污染地下水中电子受体分带示意图

      Fig.  1.  Zonation of electron acceptors in contaminated groundwater

      图  2  厌氧条件下氯代烃的生物降解模式

      a.氯代烃及其降解中间产物的浓度变化; b.地下水电子受体浓度变化曲线

      Fig.  2.  Common patterns of chlorinated solvent biodegradation in an anaerobic system

      图  3  厌氧/好氧条件下氯代烃的生物降解模式

      a.氯代烃及其降解中间产物的浓度变化; b.地下水电子受体浓度变化曲线

      Fig.  3.  Common patterns of chlorinated solvent biodegradation in a sequential aerobic/anaerobic system

      表  1  几种常见氯代烃在好氧和厌氧条件下降解转化的统计结果

      Table  1.   Degradation of common chlorinated solvents under aerobic and anaerobic conditions

      表  2  天然条件下地下水中氯代烃微生物降解判定的分析指标及评分

      Table  2.   Analytical parameters and weightings for estimating biodegradation of chlorinated solvents in groundwater under natural conditions

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    出版历程
    • 收稿日期:  2003-11-10
    • 刊出日期:  2004-05-25

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