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亚硝酸盐对生物膜CANON工艺脱氮性能和N2O释放的影响

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付昆明, 付巢, 王会芳, 苏雪莹, 李慧, 仇付国, 曹秀芹. 亚硝酸盐对生物膜CANON工艺脱氮性能和N2O释放的影响[J]. 环境工程学报, 2018, 12(10): 2776-2782. doi: 10.12030/j.cjee.201803181
引用本文: 付昆明, 付巢, 王会芳, 苏雪莹, 李慧, 仇付国, 曹秀芹. 亚硝酸盐对生物膜CANON工艺脱氮性能和N2O释放的影响[J]. 环境工程学报, 2018, 12(10): 2776-2782. doi: 10.12030/j.cjee.201803181
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FU Kunming, FU Chao, WANG Huifang, SU Xueying, LI Hui, QIU Fuguo, CAO Xiuqin. Effects of nitrite on nitrogen removal performance and N2O emission in a biofilm CANON process[J]. Chinese Journal of Environmental Engineering, 2018, 12(10): 2776-2782. doi: 10.12030/j.cjee.201803181
Citation: FU Kunming, FU Chao, WANG Huifang, SU Xueying, LI Hui, QIU Fuguo, CAO Xiuqin. Effects of nitrite on nitrogen removal performance and N2O emission in a biofilm CANON process[J]. Chinese Journal of Environmental Engineering, 2018, 12(10): 2776-2782. doi: 10.12030/j.cjee.201803181
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亚硝酸盐对生物膜CANON工艺脱氮性能和N2O释放的影响

  • 1.

    北京建筑大学环境与能源工程学院，城市雨水系统与水环境教育部重点实验室，中-荷污水处理技术研发中心，北京 100044

  • 2.

    北京城市排水集团有限责任公司科技研发中心，北京 100032

  • 基金项目:

    北京市教育委员会科技发展计划项目（SQKM201710016006）

    北京建筑大学市属高校基本科研业务费专项资金（X18182，X18214）

Effects of nitrite on nitrogen removal performance and N2O emission in a biofilm CANON process

  • 1.

    Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies, Key Laboratory of Urban Storm Water System and Water Environment, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

  • 2.

    Beijing Drainage Group Technology Research and Development Center, Beijing 100032, China

  • Fund Project:

  • 摘要: 通过调控进水NO2--N浓度分别为0、25、50和100 mg·L-1，研究不同初始NO2--N浓度对CANON工艺脱氮效果和N2O释放的影响。结果表明：SBBR中，初始NO2--N浓度分别为0、25、50和100 mg·L-1时，TN去除率分别达到81.65%、89.09%，87.75%和88.39%；对应的N2O释放率分别为7.03%、7.93%、10.21%和11.94%；前1/2周期内N2O释放量分别占总释放量的46%、53%、68%和75%。通过分析可知，较高初始NO2--N浓度，可以增加TN去除率，但是会刺激CANON工艺中N2O释放量的增加。
    Abstract: The effects of different initial NO2--N concentrations on nitrogen removal and N2O release of CANON process were studied by controlling the influent NO2--N concentrations which were 0, 25, 50 and 100 mg·L-1, respectively. The results indicated that when the initial NO2--N concentrations were 0, 25, 50 and 100 mg·L-1, the total nitrogen removal efficiencies were 81.65%, 89.09%, 87.75% and 88.39%, respectively. The N2O emission rates were 7.03%, 7.93%, 10.21% and 11.94%, respectively. The N2O emissions in the first 1/2 experimental period were 46%, 53%, 68% and 75%, respectively. Through analysis, the higher initial NO2--N concentrations could increase TN removal rate, but stimulate the increase of N2O emissions in the CANON process.
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  • 刊出日期:  2018-10-11

亚硝酸盐对生物膜CANON工艺脱氮性能和N2O释放的影响

  • 1. 北京建筑大学环境与能源工程学院，城市雨水系统与水环境教育部重点实验室，中-荷污水处理技术研发中心，北京 100044
  • 2. 北京城市排水集团有限责任公司科技研发中心，北京 100032
基金项目:

北京市教育委员会科技发展计划项目（SQKM201710016006）

北京建筑大学市属高校基本科研业务费专项资金（X18182，X18214）

摘要: 通过调控进水NO2--N浓度分别为0、25、50和100 mg·L-1，研究不同初始NO2--N浓度对CANON工艺脱氮效果和N2O释放的影响。结果表明：SBBR中，初始NO2--N浓度分别为0、25、50和100 mg·L-1时，TN去除率分别达到81.65%、89.09%，87.75%和88.39%；对应的N2O释放率分别为7.03%、7.93%、10.21%和11.94%；前1/2周期内N2O释放量分别占总释放量的46%、53%、68%和75%。通过分析可知，较高初始NO2--N浓度，可以增加TN去除率，但是会刺激CANON工艺中N2O释放量的增加。

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