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氨氧化菌对填埋场CH4协同氧化及铵抑制作用的研究

彭 禹 张卫风 朱 琳 张后虎 赵克强 孙勤芳 聂发辉

彭 禹, 张卫风, 朱 琳, 张后虎, 赵克强, 孙勤芳, 聂发辉. 氨氧化菌对填埋场CH4协同氧化及铵抑制作用的研究[J]. 环境科学研究, 2014, 27(2): 172-177.
引用本文: 彭 禹, 张卫风, 朱 琳, 张后虎, 赵克强, 孙勤芳, 聂发辉. 氨氧化菌对填埋场CH4协同氧化及铵抑制作用的研究[J]. 环境科学研究, 2014, 27(2): 172-177.
PENG Yu, ZHANG Wei-feng, ZHU Lin, ZHANG Hou-hu, ZHAO Ke-qiang, SUN Qin-fang, NIE Fa-hui. Landfill CH4Co-Oxidation by Ammonia-Oxidizing Bacteria and the Inhibition Effect by Ammonium[J]. Research of Environmental Sciences, 2014, 27(2): 172-177.
Citation: PENG Yu, ZHANG Wei-feng, ZHU Lin, ZHANG Hou-hu, ZHAO Ke-qiang, SUN Qin-fang, NIE Fa-hui. Landfill CH4Co-Oxidation by Ammonia-Oxidizing Bacteria and the Inhibition Effect by Ammonium[J]. Research of Environmental Sciences, 2014, 27(2): 172-177.

氨氧化菌对填埋场CH4协同氧化及铵抑制作用的研究

基金项目: 国家自然科学基金项目(41375161);中国科学院战略先导专项(XDA05020602);苏州科技学院-江苏省环境科学与工程重点实验室开放基金(zd111203)

Landfill CH4Co-Oxidation by Ammonia-Oxidizing Bacteria and the Inhibition Effect by Ammonium

  • 摘要: 借助乙炔(C2H2)抑制和添加外源铵盐,采用批式培养试验,在初始CH4浓度为16%的条件下模拟填埋场高CH4浓度环境,通过分析样品中氨氧化菌对CH4氧化的贡献率及铵对CH4氧化的抑制率,研究了填埋场覆盖土、矿化垃圾、砂土和黏土中氨氧化菌对CH4协同氧化及铵抑制作用. 结果表明:4种供试样品中氨氧化菌对CH4氧化的贡献率在5.64%~16.24%之间,次序为砂土<黏土<覆盖土<矿化垃圾,覆盖土中的贡献率为14.90%,比矿化垃圾低8.25%,填埋场样品(矿化垃圾和覆盖土)是一般土壤(砂土和黏土)的1.8~10.9倍. 铵对CH4氧化过程的抑制率在11.90%~24.84%之间,次序为砂土<黏土<覆盖土<矿化垃圾,覆盖土中为23.21%,比矿化垃圾低6.56%,填埋场样品是一般土壤的0.9~2.1倍. 填埋场样品中氨氧化菌对CH4氧化的贡献率及铵对CH4氧化的抑制率明显高于一般土壤.

     

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出版历程
  • 收稿日期:  2013-05-25
  • 修回日期:  2013-11-22
  • 刊出日期:  2014-02-25

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