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卫生和生物反应器填埋场夏季N2O释放的研究

张后虎 何品晶 瞿 贤 邵立明 余觊觎

张后虎, 何品晶, 瞿 贤, 邵立明, 余觊觎. 卫生和生物反应器填埋场夏季N2O释放的研究[J]. 环境科学研究, 2007, 20(3): 108-112.
引用本文: 张后虎, 何品晶, 瞿 贤, 邵立明, 余觊觎. 卫生和生物反应器填埋场夏季N2O释放的研究[J]. 环境科学研究, 2007, 20(3): 108-112.
ZHANG Hou-hu, HE Pin-jing, QU Xian, SHAO Li-ming, YU Ji-yu. N2O Fluxes from Sanitary and Bioreactor MSW Landfill in the Summer[J]. Research of Environmental Sciences, 2007, 20(3): 108-112.
Citation: ZHANG Hou-hu, HE Pin-jing, QU Xian, SHAO Li-ming, YU Ji-yu. N2O Fluxes from Sanitary and Bioreactor MSW Landfill in the Summer[J]. Research of Environmental Sciences, 2007, 20(3): 108-112.

卫生和生物反应器填埋场夏季N2O释放的研究

基金项目: 国家高技术研究发展计划(863)项目(2001AA644010,2003AA644020);国家自然科学基金重点项目(50538080)

N2O Fluxes from Sanitary and Bioreactor MSW Landfill in the Summer

  • 摘要: 采用静态箱/气相色谱(GC)法现场监测了杭州市天子岭废弃物处理总场卫生填埋场和生物反应器填埋单元夏季的N2O释放通量,并讨论了相关影响因素. 研究发现:卫生填埋场覆土后N2O释放通量(以N2O-N计)随垃圾填埋龄的增加而大幅降低,其均值(18.07 μg/(m2·h))为生物反应器填埋单元(5.57 μg/(m2·h))的3倍多. 垃圾填埋龄、覆土土质与结构及填埋场操作方式是影响填埋场N2O释放的主要因素,这些因素均主要通过改变覆土的理化特性而影响N2O的释放. 采用多元线性逐次回归分析得到:卫生填埋场N2O与覆土含水率和有机碳(SOC)质量分数构成的线性方程显著相关(R2=0.86,P<0.01);生物反应器填埋单元N2O的释放通量与覆土含水率、碳氮比(w(C)/w(N))和w(NO3-)构成的线性方程显著相关(R2=0.89,P<0.01).

     

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  • 刊出日期:  2007-06-25

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