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CANON工艺的典型抑制及其恢复性策略

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黄鹏飞, 张锦耀, 秦玉洁, 李伙生, 周少奇. CANON工艺的典型抑制及其恢复性策略[J]. 环境工程学报, 2016, 10(5): 2387-2393. doi: 10.12030/j.cjee.201412110
引用本文: 黄鹏飞, 张锦耀, 秦玉洁, 李伙生, 周少奇. CANON工艺的典型抑制及其恢复性策略[J]. 环境工程学报, 2016, 10(5): 2387-2393. doi: 10.12030/j.cjee.201412110
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Huang Pengfei, Zhang Jinyao, Qin Yujie, Li Huosheng, Zhou Shaoqi. Typical inhibition of CANON process and its restorative strategy[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2387-2393. doi: 10.12030/j.cjee.201412110
Citation: Huang Pengfei, Zhang Jinyao, Qin Yujie, Li Huosheng, Zhou Shaoqi. Typical inhibition of CANON process and its restorative strategy[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2387-2393. doi: 10.12030/j.cjee.201412110
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CANON工艺的典型抑制及其恢复性策略

  • 1.

    华南理工大学环境与能源学院, 广州 510006

  • 2.

    华南理工大学亚热带建筑科学国家重点实验室, 广州 510640

  • 3.

    广东省教育厅环境保护与生态修复重点实验室, 广州 510006

  • 4.

    贵州科学院, 贵阳 550001

  • 基金项目:

    国家自然科学基金资助项目(21277052,51578244)

    广东省省级科技计划项目(2014A050503025)

  • 中图分类号: X703

Typical inhibition of CANON process and its restorative strategy

  • 1.

    College of Environment and Energy, South China University of Technology, Guangzhou 510006, China

  • 2.

    State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China

  • 3.

    Key Laboratory of Environmental Protection and Eco-Remediation of Guangdong Regular Higher Education Institutions, Guangzhou 510006, China

  • 4.

    Guizhou Academy of Sciences, Guiyang 550001, China

  • Fund Project:

  • 摘要: 全程自养脱氮(CANON)工艺在110 d时,总氮去除负荷(NRR)达到了1.8 kg N/(m3·d)。在高溶解氧(DO)的条件下,CANON工艺脱稳失活,脱氮性能急剧下降,ANAMMOX菌受到抑制。采取减少曝气量,降低反应器中的DO,可以有效恢复CANON工艺的脱氮性能。在第327天时,进水氨氮浓度高达1 245.5 mg/L,氨氮和总氮去除效率分别达到98.4%和80.3%,而NRR高达了1 kg N/(m3·d)。此后,CANON工艺脱氮效果较为稳定,表明CANON工艺恢复效果明显。SEM分析表明,颗粒污泥表面附着大量的短杆状细菌,细菌之间联系紧密,部分颗粒污泥表面呈现网状结构,细菌之间通过丝状物联系形成颗粒污泥。能谱分析表明,颗粒污泥表面含有O、Na、P、Fe、Ca、C和Si等元素。
    Abstract: Nitrogen removal rate(NRR) of 1.8 kg N/(m3·d) was accomplished in the CANON process on the 110th day. Under the circumstance of high DO, the CANON process lost stability and led to bad nitrogen removal performance and inhibition of ANAMMOX bacteria. By reducing aeration and DO, the denitrification performance of the CANON process was recovered. The removal efficiencies of NH4+-N and total nitrogen were 98.4% and 80.3%, respectively, on the 327th day with influent ammonium of 1 245.5 mg/L, and NRR of 1.8 kg N/(m3·d) was achieved. The experiment showed that the CANON process had a good recovery effect. Scanning electron microscope (SEM) observation showed that short rod-shaped bacteria were distributed in the granule sludge with the bacteria closely linked. Part of the surface of the granular sludge presented reticular structure, the bacteria was linked by filament to form granular sludge. Energy spectrum analysis showed that the surface of the granular sludge contained the elements of O,Na,P,Fe,Ca,C and Si.
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  • [1] Sliekers A. O., Derwort N., Campos Gomez J. L., et al. Completely autotrophic nitrogen removal over nitrite in one single reactor. Water Research, 2002, 36(10): 2475-2482
    [2] 付昆明, 张杰, 曹相生, 等. CANON反应器运行稳定性及温度冲击的影响. 环境科学, 2012, 33(10): 3507-3512 Fu Kunming, Zhang Jie, Cao Xiangsheng, et al. Performance stability of CANON reactor and temperature impact. Environmental Science, 2012, 33(10): 3507-3512(in Chinese)
    [3] Chang Xiaoyan, Li Dong, Liang Yuhai, et al. Performance of a completely autotrophic nitrogen removal over nitrite process for treating wastewater with different substrates at ambient temperature. Journal of Environmental Sciences, 2013, 25(4): 688-697
    [4] Vázquez-Padín J. R., Pozo M. J., Jarpa M., et al. Treatment of anaerobic sludge digester effluents by the CANON process in an air pulsing SBR. Journal of Hazardous Materials, 2009, 166(1): 336-341
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    [6] 李伙生. 部分亚硝化耦合厌氧氨氧化的工艺控制及其垃圾渗滤液脱氮特性. 广州: 华南理工大学博士学位论文, 2013 Li Huosheng. Process control on partial nitritation coupled with anaerobic ammonium oxidation and its application to nitrogen removal from landfill leachate. Guangzhou: Doctor Dissertation of South China University of Technology, 2013(in Chinese)
    [7] 孟了, 陈永, 陈石. CANON工艺处理垃圾渗滤液中的高浓度氨氮. 给水排水, 2004, 30(8): 24-29 Meng Liao, Chen Yong, Chen Shi. CANON process in treating high concentrated ammonium of leachate. Water & Wastewater Engineering, 2004, 30(8): 24-29(in Chinese)
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  • 收稿日期:  2015-03-22
  • 刊出日期:  2016-06-03

CANON工艺的典型抑制及其恢复性策略

  • 1.  华南理工大学环境与能源学院, 广州 510006
  • 2.  华南理工大学亚热带建筑科学国家重点实验室, 广州 510640
  • 3.  广东省教育厅环境保护与生态修复重点实验室, 广州 510006
  • 4.  贵州科学院, 贵阳 550001
  • 收稿日期:  2015-03-22
基金项目:

国家自然科学基金资助项目(21277052,51578244)

广东省省级科技计划项目(2014A050503025)

摘要: 全程自养脱氮(CANON)工艺在110 d时,总氮去除负荷(NRR)达到了1.8 kg N/(m3·d)。在高溶解氧(DO)的条件下,CANON工艺脱稳失活,脱氮性能急剧下降,ANAMMOX菌受到抑制。采取减少曝气量,降低反应器中的DO,可以有效恢复CANON工艺的脱氮性能。在第327天时,进水氨氮浓度高达1 245.5 mg/L,氨氮和总氮去除效率分别达到98.4%和80.3%,而NRR高达了1 kg N/(m3·d)。此后,CANON工艺脱氮效果较为稳定,表明CANON工艺恢复效果明显。SEM分析表明,颗粒污泥表面附着大量的短杆状细菌,细菌之间联系紧密,部分颗粒污泥表面呈现网状结构,细菌之间通过丝状物联系形成颗粒污泥。能谱分析表明,颗粒污泥表面含有O、Na、P、Fe、Ca、C和Si等元素。

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