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生活垃圾填埋场覆盖层CH4氧化能力原位测试法的优化与应用

李海玲,  岳波,  黄启飞,  苏毅,  高庆先,  马占云

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文章导航 > 环境工程技术学报  > 2017 >  7(4): 483-488
李海玲, 岳波, 黄启飞, 苏毅, 高庆先, 马占云. 生活垃圾填埋场覆盖层CH4氧化能力原位测试法的优化与应用[J]. 环境工程技术学报, 2017, 7(4): 483-488. doi: 10.3969/j.issn.1674-991X.2017.04.066
引用本文: 李海玲, 岳波, 黄启飞, 苏毅, 高庆先, 马占云. 生活垃圾填埋场覆盖层CH4氧化能力原位测试法的优化与应用[J]. 环境工程技术学报, 2017, 7(4): 483-488. doi: 10.3969/j.issn.1674-991X.2017.04.066
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LI Hailing, YUE Bo, HUANG Qifei, SU Yi, GAO Qingxian, MA Zhanyun. Modification and application of methane oxidation capacity in-situ testing methodology in MSW landfill cover layer[J]. Journal of Environmental Engineering Technology, 2017, 7(4): 483-488. doi: 10.3969/j.issn.1674-991X.2017.04.066
Citation: LI Hailing, YUE Bo, HUANG Qifei, SU Yi, GAO Qingxian, MA Zhanyun. Modification and application of methane oxidation capacity in-situ testing methodology in MSW landfill cover layer[J]. Journal of Environmental Engineering Technology, 2017, 7(4): 483-488. doi: 10.3969/j.issn.1674-991X.2017.04.066
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生活垃圾填埋场覆盖层CH4氧化能力原位测试法的优化与应用

doi: 10.3969/j.issn.1674-991X.2017.04.066

  • 1. 中国环境科学研究院,北京 100012

  • 2. 中国科学院大气物理研究所,大气边界层物理和大气化学国家重点实验室,北京 100029

  • 3. 中国科学院大学,北京 100049

详细信息
    作者简介:

    李海玲(1987—),女,博士,主要从事温室气体减排研究, lihailing0715@foxmail.com

    通讯作者:

    岳波 E-mail: yuebo@craes.org.cn

  • 中图分类号: X705

Modification and application of methane oxidation capacity in-situ testing methodology in MSW landfill cover layer

  • 1. Chinese Research Academy of Environmental Sciences, Beijing 100012, China

  • 2. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China

  • 3. University of Chinese Academy of Sciences, Beijing 100049, China

More Information
    Corresponding author: Bo YUE E-mail: yuebo@craes.org.cn

    摘要
  • 摘要: 为提高垃圾填埋场覆盖层CH4氧化能力原位测试方法的适用性,对基于CO2和CH4浓度比的碳原子守恒法进行了优化。应用优化后的方法对北京阿苏卫垃圾填埋场覆盖层CH4氧化能力的变化规律进行分析,结果表明:该垃圾填埋场覆盖层表面CO2和CH4释放通量比在春夏季较高且变动范围较大,而秋冬季则相对较低且稳定;覆盖层CH4氧化速率和氧化率均表现为秋冬季远低于春夏季,监测Ⅰ区(封场时间为2003年)和监测Ⅱ区(封场时间为2009年)覆盖层CH4氧化速率(以C计)平均值春夏季分别为1 569.89和1 054.47 mg/(m 2·h),秋冬季分别为171.13和333.02 mg/(m 2·h);监测Ⅰ区和Ⅱ区CH4氧化率平均值春夏季分别为79.69%和44.83%,秋冬季分别为7.54%和11.33%;填埋时间较长的监测Ⅰ区覆盖层的CH4氧化能力〔全年平均值为911.7 mg/(m 2·h)〕大于监测Ⅱ区〔全年平均值为707.5 mg/(m 2·h)〕。应用优化后的方法得到的覆盖层CH4氧化速率和氧化率的变化规律与文献报道相符,该方法对垃圾填埋场覆盖层CH4氧化能力的估算具有较好的适用性。

     

    Abstract: To expand the applicability of the in-situ landfill layer CH4 oxidation capability analysis method, the carbon conservation method based on the ratio of CO2 and CH4 was optimized. The optimized method was then applied on Asuwei landfill site located in Beijing for analysis of the variation rule of landfill layer CH4 oxidation capability. The results showed that CO2 and CH4 flux ratios on the cover layer surface were higher in summer than that in winter, and relatively stable in autumn and winter. Both the CH4 oxidation velocities and oxidation ratios of cover layer in autumn and winter were far lower than that in spring and summer. In addition, the average CH4 oxidation velocity (by carbon) in monitoring zone Ⅰ was 1 569.89 mg/(m 2·h) in spring and summer, and 171.13 mg/(m 2·h) in autumn and winter, while in monitoring zone Ⅱ the average velocity was 1 054.47 mg/(m 2·h) in spring and summer, and 333.02 mg/(m 2·h) in autumn and winter. The average CH4 oxidation ratio in monitoring zone Ⅰ was 79.69% in spring and summer, and 7.54% in autumn and winter, while in monitoring zone Ⅱ that was 44.83% in spring and summer, and 11.33% in autumn and winter. The annually averaged CH4 oxidation capacity in monitoring zone Ⅰ with longer landfilling time was 911.7 mg/(m 2·h), greater than that in in monitoring zone Ⅰ 〔707.5 mg/(m 2·h)〕.The results of CH4 oxidation velocities and oxidation ratios of cover layer had a good coherence with the existing related studies, and this method should have a better applicability for the estimation of the CH4 oxidation capability in the landfill layer.

     

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  • 收稿日期:  2017-01-10
  • 刊出日期:  2017-07-20

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