CANON体系中颗粒污泥粒径及C/N比对反应器脱氮性能的影响

doi:10.7523/j.issn.2095-6134.2018.06.017

中国科学院大学学报 ›› 2018, Vol. 35 ›› Issue (6): 845-850.DOI: 10.7523/j.issn.2095-6134.2018.06.017

• 简报 • 上一篇

CANON体系中颗粒污泥粒径及C/N比对反应器脱氮性能的影响

李津青¹, 韩晓宇², 黄京², 张树军², 刘红辉¹, 刘新春¹

1 中国科学院大学资源与环境学院, 北京 101408;
2 北京城市排水集团有限责任公司科技研发中心, 北京 100022

收稿日期:2017-10-30 修回日期:2018-01-10 发布日期:2018-11-15
通讯作者: 刘新春
基金资助:
国家科技重大专项（2016ZX05066006-001）资助

Effects of particle sizes and C/N ratios on the nitrogen removal performance in CANON system

LI Jinqing¹, HAN Xiaoyu², HUANG Jing², ZHANG Shujun², LIU Honghui¹, LIU Xinchun¹

1 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China;
2 Research and Development Center of Beijing Drainage Group Corporation, Beijing 100022, China

Received:2017-10-30 Revised:2018-01-10 Published:2018-11-15

摘要/Abstract

摘要： 采用一体化厌氧氨氧化SBR反应器处理高氨氮废水，研究不同粒径（R₁：0.2~0.5mm、R₂：0.5~1mm、R₃：>1mm）颗粒污泥的脱氮性能及不同C/N比对颗粒污泥系统的影响。实验结果表明：R₁、R₂、R₃的AOB活性依次降低；NOB活性R₂最高，其次是R₁，最低是R₃；厌氧氨氧化菌活性R₂最高，其次是R₁，最低的是R₃。C/N比升高过程中，颗粒形态发生变化，镜检显示中间红色部分减少，外围出现黄色包围圈，总氮去除负荷由0.59kg/（m³ ·d）降到0.34kg/（m³ ·d），总氮去除率由94.75%升到95.07%后降到87.55%。结果表明CANON工艺的C/N比不宜超过1.5。

关键词: 厌氧氨氧化, 不同粒径, 颗粒污泥, C/N比

Abstract: High ammonia nitrogen wastewater was treated in an integrated anaerobic ammonia oxidation SBR reactor. Effects of particle sizes (R₁:0.2-0.5mm,R₂:0.5-1mm,R₃:>1mm) and C/N ratios on the nitrogen removal from granular sludge were studied. The results showed that the AOB activities of R₁, R₂ and R₃ decreased in turn; R₂ had the highest NOB activity, followed by R₁, and R₃ had the lowest; and R₂ had the highest activity of ANAMMOX, followed by R₁, and R₃ had the lowest. When the C/N ratio increased, the granular sludge morphology changed obviously, and microscopic examination showed that the middle red part gradually reduced and peripheral yellow encirclement occurred. The total nitrogen removal load reduced from 0.59kg/(m³·d) to 0.34kg/(m³·d), and the total nitrogen removal rate increased from 94.75% to 95.07% and then decreased to 87.55%. The results showed that the C/N ratio should not exceed 1.5 in CANON process.

Key words: anaerobic ammonia oxidation, granule sizes, granules, C/N ratio

中图分类号:

X703

李津青, 韩晓宇, 黄京, 张树军, 刘红辉, 刘新春. CANON体系中颗粒污泥粒径及C/N比对反应器脱氮性能的影响[J]. 中国科学院大学学报, 2018, 35(6): 845-850.

LI Jinqing, HAN Xiaoyu, HUANG Jing, ZHANG Shujun, LIU Honghui, LIU Xinchun. Effects of particle sizes and C/N ratios on the nitrogen removal performance in CANON system[J]. , 2018, 35(6): 845-850.

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CANON体系中颗粒污泥粒径及C/N比对反应器脱氮性能的影响

Effects of particle sizes and C/N ratios on the nitrogen removal performance in CANON system

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