亚硝酸盐对生物膜CANON工艺脱氮性能和N2O释放的影响

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
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

亚硝酸盐对生物膜CANON工艺脱氮性能和N2O释放的影响

  • 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

  • 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。
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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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