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MnO2对海底沉积物ANAMMOX菌的富集培养影响

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许芳涤, 乔森, 王蕾, 周集体. MnO2对海底沉积物ANAMMOX菌的富集培养影响[J]. 环境工程学报, 2014, 8(4): 1373-1378.
引用本文: 许芳涤, 乔森, 王蕾, 周集体. MnO2对海底沉积物ANAMMOX菌的富集培养影响[J]. 环境工程学报, 2014, 8(4): 1373-1378.
shu
Xu Fangdi, Qiao Sen, Wang Lei, Zhou Jiti. Effects of MnO2 powder on enrichment of ANAMMOX bacteria in sea sediments[J]. Chinese Journal of Environmental Engineering, 2014, 8(4): 1373-1378.
Citation: Xu Fangdi, Qiao Sen, Wang Lei, Zhou Jiti. Effects of MnO2 powder on enrichment of ANAMMOX bacteria in sea sediments[J]. Chinese Journal of Environmental Engineering, 2014, 8(4): 1373-1378.
shu

MnO2对海底沉积物ANAMMOX菌的富集培养影响

  • 1.

    大连理工大学环境学院, 大连 116024

  • 2.

    大连理工大学工业生态与环境工程教育部重点实验室, 大连 116024

  • 基金项目:

    国家自然科学基金资助项目（51008045）

  • 中图分类号: X703

Effects of MnO2 powder on enrichment of ANAMMOX bacteria in sea sediments

  • 1.

    School of Environmental Science & Technology, Dalian University of Technology, Dalian 116024, China

  • 2.

    Key laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, Dalian University of Technology, Dalian 116024, China

  • Fund Project:

  • 摘要: 采用上流式固定床反应器，在常温下连续运行，考察MnO2对海洋性ANAMMOX菌富集培养的影响，其中接种的海洋海底沉积物采自大连市附近海域。结果表明，在反应器运行近150 d中，加入MnO2的R1反应器的最大总氮去除速率为137.82 g N/（m3·d），比没有加入MnO2的R2反应器高出近20 g N/（m3·d）。在低温环境（10~15℃）运行时，R1反应器的氨氮和亚硝氮去除率比R2反应器均高出10%，且R1反应器对温度变化的适应性和运行稳定性都好于R2反应器。这表明MnO2的加入确实在一定程度上促进了海洋性ANAMMOX细菌的富集，并增强了ANAMMOX反应器对温度变化的适应性，使其能够在较宽的温度范围下运行。
    Abstract: Effects of MnO2 powder on cultivation of marine ANAMMOX bacteria were examined using two up-flow fixed bed reactors under room temperatures.The marine sediments inoculated were collected from the sea nearby Dalian City.After continuous operation of approximately 150 days,the reactor with MnO2 powder addition (R1) obtained a maximum nitrogen removal rate of 137.82 g N/(m3·d),20 g N/(m3·d) higher than that of the control reactor without MnO2 powder addition (R2).When these reactors were operated under low temperatures (10~15℃),both the nitrite and ammonium removal rates with respect of R1 were 10% higher than those of R2.Besides,the flexibility and stability were better than those of R2.These experimental results demonstrated that the addition of MnO2 promoted the cultivation of marine ANAMMOX bacteria and improved the temperature adaptability,enabling the reactor could operate in a wider temperature range.
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  • 收稿日期:  2013-05-23
  • 刊出日期:  2014-03-28
许芳涤, 乔森, 王蕾, 周集体. MnO2对海底沉积物ANAMMOX菌的富集培养影响[J]. 环境工程学报, 2014, 8(4): 1373-1378.
引用本文: 许芳涤, 乔森, 王蕾, 周集体. MnO2对海底沉积物ANAMMOX菌的富集培养影响[J]. 环境工程学报, 2014, 8(4): 1373-1378.
shu
Xu Fangdi, Qiao Sen, Wang Lei, Zhou Jiti. Effects of MnO2 powder on enrichment of ANAMMOX bacteria in sea sediments[J]. Chinese Journal of Environmental Engineering, 2014, 8(4): 1373-1378.
Citation: Xu Fangdi, Qiao Sen, Wang Lei, Zhou Jiti. Effects of MnO2 powder on enrichment of ANAMMOX bacteria in sea sediments[J]. Chinese Journal of Environmental Engineering, 2014, 8(4): 1373-1378.
shu

MnO2对海底沉积物ANAMMOX菌的富集培养影响

  • 1.  大连理工大学环境学院, 大连 116024
  • 2.  大连理工大学工业生态与环境工程教育部重点实验室, 大连 116024
  • 收稿日期:  2013-05-23
基金项目:

国家自然科学基金资助项目（51008045）

摘要: 采用上流式固定床反应器，在常温下连续运行，考察MnO2对海洋性ANAMMOX菌富集培养的影响，其中接种的海洋海底沉积物采自大连市附近海域。结果表明，在反应器运行近150 d中，加入MnO2的R1反应器的最大总氮去除速率为137.82 g N/（m3·d），比没有加入MnO2的R2反应器高出近20 g N/（m3·d）。在低温环境（10~15℃）运行时，R1反应器的氨氮和亚硝氮去除率比R2反应器均高出10%，且R1反应器对温度变化的适应性和运行稳定性都好于R2反应器。这表明MnO2的加入确实在一定程度上促进了海洋性ANAMMOX细菌的富集，并增强了ANAMMOX反应器对温度变化的适应性，使其能够在较宽的温度范围下运行。

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