Anaerobic ammonia oxidation and its research progress for the treatment of low C/N ratio ammonia nitrogen wastewater

doi:10.19965/j.cnki.iwt.2022-0554

Abstract

Abstract:

Anaerobic ammonia oxidation is a new type of biological nitrogen removal process with high efficiency and energy saving，which has been gradually developed in recent 20 years. Anaerobic ammonia oxidation does not need to consume carbon sources and has low sludge output，so it is the better choice for treating low C/N ratio ammonia nitrogen wastewater. This paper briefly introduced the basic principle of anaerobic ammonia oxidation process and common factors affecting the activity of AnAOB，described the development history of anaerobic ammonia oxidation process for sewage treatment. Also，it expounded the application of anaerobic ammonia oxidation process in the treatment of low C/N ratio wastewater by citing some cases，and pointed out its good effect on the treatment of low C/N ratio and high concentration ammonia nitrogen wastewater. However，there was a technical bottleneck in the treatment of low carbon nitrogen ratio and middle or low concentrated ammonia nitrogen wastewater，that was，it was difficult to achieve stable nitrosation of middle or low concentrated ammonia nitrogen wastewater. On this basis，the technical breakthroughs made in solving the bottleneck of anaerobic ammonia oxidation treatment of middle or low concentrated ammonia nitrogen wastewater were summarized，and the application prospect of anaerobic ammonia oxidation technology in the engineering of low carbon nitrogen ratio wastewater treatment was prospected.

Key words: biological nitrogen removal, low C/N ratio, anaerobic ammonium oxidation, nitrification

摘要：

厌氧氨氧化是近20 a来逐步发展起来的一种高效、节能新型生物脱氮工艺，其无需消耗碳源且污泥产量低，是处理低碳氮比氨氮废水的较佳选择。对厌氧氨氧化工艺的基本原理、影响厌氧氨氧化细菌活性的常见因素作了简要介绍，阐述了厌氧氨氧化工艺用于污水处理的发展历程，引用部分案例对厌氧氨氧化工艺在低碳氮比废水处理中的应用状况进行了说明，指出其对于低碳氮比高浓度氨氮废水处理效果较好，但对于低碳氮比的中低浓度氨氮废水的处理存在技术瓶颈，即中低浓度氨氮废水难以实现稳定的亚硝化。在此基础上对于解决中低浓度氨氮废水厌氧氨氧化处理瓶颈所取得的技术突破进行总结，并展望了厌氧氨氧化技术在低碳氮比废水处理工程中的应用前景。

关键词: 生物脱氮, 低碳氮比, 厌氧氨氧化, 亚硝化

CLC Number:

X703

Xiaojun WANG, Yongxing CHEN, Zhenguo CHEN. Anaerobic ammonia oxidation and its research progress for the treatment of low C/N ratio ammonia nitrogen wastewater[J]. Industrial Water Treatment, 2022, 42(11): 25-31.

汪晓军, 陈永兴, 陈振国. 厌氧氨氧化及其处理低碳氮比氨氮废水的研究进展[J]. 工业水处理, 2022, 42(11): 25-31.

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https://www.iwt.cn/EN/Y2022/V42/I11/25

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References 63

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	工艺类型	优点	缺点
两段式厌氧氨氧化自养脱氮	SHARON-ANAMMOX	独立调节，灵活稳定；可避免有毒物质和有机物抑制厌氧氨氧化细菌；适合低浓度氨氮废水处理	占地面积大、投资成本高；易产生亚硝酸盐抑制
一体式厌氧氨氧化自养脱氮	OLAND	占地面积小、投资成本低；适合处理高浓度氨氮废水，容积负荷大；可有效避免亚硝酸盐的抑制作用	需严格控制运行参数确保多种微生物菌群共存；启动时间长
	CANON
	DEMOX

	工艺类型	优点	缺点
两段式厌氧氨氧化自养脱氮	SHARON-ANAMMOX	独立调节，灵活稳定；可避免有毒物质和有机物抑制厌氧氨氧化细菌；适合低浓度氨氮废水处理	占地面积大、投资成本高；易产生亚硝酸盐抑制
一体式厌氧氨氧化自养脱氮	OLAND	占地面积小、投资成本低；适合处理高浓度氨氮废水，容积负荷大；可有效避免亚硝酸盐的抑制作用	需严格控制运行参数确保多种微生物菌群共存；启动时间长
	CANON
	DEMOX

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[3]	Xuan ZHAO, Tao LIU, Meng YANG, Sen QIAO. Treatment of petrochemical wastewater with low C/N by IFFAS-ESMBR integrated composite process [J]. Industrial Water Treatment, 2025, 45(1): 32-40.
[4]	Cunwen FAN, Peijie GUO, Yujia HU, Xinfu LIU, Qingrong QIU, Hao SU, Dachao ZHANG. Process on biological nitrogen removal technology of ammonia- nitrogen wastewater from ion-type rare earth mines [J]. Industrial Water Treatment, 2025, 45(1): 9-16.
[5]	Caixia PING, Xin ZHOU, Yuting NIE. Research progress on nitrite accumulation in sulfur-based autotrophic denitrification process [J]. Industrial Water Treatment, 2024, 44(8): 21-28.
[6]	Yukun DENG. Pilot study on treatment of rare earth mine wastewater by partial denitrification [J]. Industrial Water Treatment, 2024, 44(8): 149-155.
[7]	Wenyi ZHOU, Yun BAO, Lirong WANG, Hongyan MA, Chen JIANG, Tianguo LI. Upgrading CASS sewage treatment station of university with inverted AAO process [J]. Industrial Water Treatment, 2024, 44(8): 192-199.
[8]	Shiyuan LIU, Ting ZHANG, Yajuan GAO, Chenchen LI, Yongyu YANG, Guowei ZHANG, Qianqian TAN, Yongsheng JIN. Nitrogen removal characteristics and application of bacterium Y5 tolerant to high concentration ammonia nitrogen [J]. Industrial Water Treatment, 2024, 44(7): 162-170.
[9]	Jianqiang XIE, Jianmei ZHANG, Yu’nan LÜ, Kang LEI. Research progress of partial denitrification in wastewater treatment: Mechanisms, influential factors, and technology [J]. Industrial Water Treatment, 2024, 44(7): 19-28.
[10]	Xuejing LUO, Yijian ZHONG, Jincheng LI, Zuxian LU, Xiaoxiao WANG, Xinyue LI. Study on denitrification with coffee pectin hydrolysate as carbon source [J]. Industrial Water Treatment, 2024, 44(6): 117-126.
[11]	Yingying ZHAO, Tao CHEN, Yaoliang SHEN, Wenru LIU. Effect of boron on the recovery of nitrification efficiency after high ammonia nitrogen impact [J]. Industrial Water Treatment, 2024, 44(6): 172-178.
[12]	Jing WANG, Ning WANG, Yanhe HAN, Zaixing LI, Xuejiao MA, Nannan WANG, Wenbin JIANG. Research progress of autotrophic denitrification technology of sulfur, iron and sulfur-iron based electron donors [J]. Industrial Water Treatment, 2024, 44(6): 22-33.
[13]	Hao CHEN, Yuting YANG, Wenru LIU, Yaoliang SHEN. Research progress of integrated partial denitrification-anaerobic ammonia oxidation process [J]. Industrial Water Treatment, 2024, 44(5): 14-23.
[14]	Jiajing CHEN, Xiaojun FAN, Ke YUAN, Yun DUAN, Jin YUAN. Construction of an efficient ammonia nitrogen removal bacterial community and its application under weakly acidic conditions [J]. Industrial Water Treatment, 2024, 44(5): 71-79.
[15]	Bin TAN, Yangpeng HUANG, Yong XIAO, Bing LIN, Yunjie ZHANG, Qian ZHANG. Research on integrated A²O-MBR reactor for wastewater treatment in expressway service area [J]. Industrial Water Treatment, 2024, 44(4): 170-178.

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