全程自养脱氮工艺的研究与工程应用展望

doi:10.11894/iwt.2020-0515

摘要/Abstract

摘要：

全程自养脱氮工艺（CANON）因其具有无需碳源、脱氮效率高和节省基建及运行成本等优点受到研究者的青睐，被视为极具工程应用前景的新型废水生物脱氮技术。对CANON工艺的反应原理应用现状进行了阐述，对应用障碍进行了分析，并总结了基于CANON工艺的典型耦合技术的研究及应用进展。在此基础上，指出了CANON工艺工程应用的瓶颈并提出了其未来的发展方向。

关键词: 全程自养脱氮工艺, 厌氧氨氧化, 生物脱氮, 耦合技术, 工程应用

Abstract:

Completely autotrophic nitrogen removal over nitrite(CANON) is favored by researchers for its advantages of no carbon source, high denitrification efficiency and saving on infrastructure and operating costs, which is regarded as a new wastewater biological denitrification technology with great engineering application prospect. The reaction principle, the research and application status of CANON technology was reviewed, and the application obstacles were analyzed. Then the coupling technologies based on CANON technology were summarized. The bottleneck of CANON technology engineering application and the future development direction of CANON technology were proposed.

Key words: completely autotrophic nitrogen removal over nitrite, anaerobic ammonium oxidation, biological nitrogen removal, coupling technology, engineering application

中图分类号:

X703

王超超,张星星,王垚,汪宇光,夏云康,吴鹏. 全程自养脱氮工艺的研究与工程应用展望[J]. 工业水处理, 2021, 41(5): 8-14.

Chaochao Wang,Xingxing Zhang,Yao Wang,Yuguang Wang,Yunkang Xia,Peng Wu. Prospects of research and engineering application for completely autotrophic nitrogen removal over nitrite technology[J]. Industrial Water Treatment, 2021, 41(5): 8-14.

https://www.iwt.cn/CN/Y2021/V41/I5/8

图/表 4

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反应器（规模）	污泥形式	类别	进水			运行条件			运行效果		参考文献
反应器（规模）	污泥形式	类别	TN/（mg·L^-1）	COD/（mg·L^-1）	C/N	曝气模式	DO/（mg·L^-1）	温度/℃	TN去除率/%	COD去除率/%	参考文献
SBBR（10 L）	生物膜	生活污水	50	100~300	≥2	间歇曝气	0.2~0.8	30	89.2	99.2	〔42〕
SBR（1 400 m³）	颗粒污泥	污泥消化上清液	650	300	0.5	好氧/缺氧	< 0.8	30	94.6	37	〔43〕
SBR（10 L）	悬浮污泥	生活污水	350~550	100~150	3~3.5	厌氧/好氧/缺氧	0.2~0.4	30±1	86.1	77	〔44〕
MBBR（832 m³）	生物膜/悬浮污泥	污泥消化上清液	1 460~1 750	500~800	0.32	连续曝气	0.3~0.5	27~30	70	>40	〔45〕
SBBR（10 L）	生物膜	生活污水	未知	118~221	2.1~3.6	厌氧/好氧/缺氧	0.5~1.1	12.8~27	88.2	未提及	〔46〕
SBBR（10 L）	生物膜	垃圾渗滤液	2 024±24	1 026±14	0.5	间歇曝气	2.2~2.4	30±1	90.7~94.9	46.2~67.7	〔47〕
SBR（10 L）	颗粒污泥	垃圾渗滤液	2 300	1 900±200	1	间歇曝气	< 0.2	28±0.3	99±0.1	77.08	〔48〕
IFAS（8.0 L）	生物膜/悬浮污泥	市政污水	50	20~130	0.5~2.5	间歇曝气	0.4	25±2	72±2	88	〔49〕
曝气池（384 m³）	颗粒污泥	垃圾渗滤液	634	554	0.87	连续曝气	0.3	30~33	76	28	〔50〕
SBR（89.5 L）	生物膜	生活污水	70	180	2.57	间歇曝气	>5	30	80~90	未提及	〔51〕

反应器（规模）	污泥形式	类别	进水			运行条件			运行效果		参考文献
反应器（规模）	污泥形式	类别	TN/（mg·L^-1）	COD/（mg·L^-1）	C/N	曝气模式	DO/（mg·L^-1）	温度/℃	TN去除率/%	COD去除率/%	参考文献
SBBR（10 L）	生物膜	生活污水	50	100~300	≥2	间歇曝气	0.2~0.8	30	89.2	99.2	〔42〕
SBR（1 400 m³）	颗粒污泥	污泥消化上清液	650	300	0.5	好氧/缺氧	< 0.8	30	94.6	37	〔43〕
SBR（10 L）	悬浮污泥	生活污水	350~550	100~150	3~3.5	厌氧/好氧/缺氧	0.2~0.4	30±1	86.1	77	〔44〕
MBBR（832 m³）	生物膜/悬浮污泥	污泥消化上清液	1 460~1 750	500~800	0.32	连续曝气	0.3~0.5	27~30	70	>40	〔45〕
SBBR（10 L）	生物膜	生活污水	未知	118~221	2.1~3.6	厌氧/好氧/缺氧	0.5~1.1	12.8~27	88.2	未提及	〔46〕
SBBR（10 L）	生物膜	垃圾渗滤液	2 024±24	1 026±14	0.5	间歇曝气	2.2~2.4	30±1	90.7~94.9	46.2~67.7	〔47〕
SBR（10 L）	颗粒污泥	垃圾渗滤液	2 300	1 900±200	1	间歇曝气	< 0.2	28±0.3	99±0.1	77.08	〔48〕
IFAS（8.0 L）	生物膜/悬浮污泥	市政污水	50	20~130	0.5~2.5	间歇曝气	0.4	25±2	72±2	88	〔49〕
曝气池（384 m³）	颗粒污泥	垃圾渗滤液	634	554	0.87	连续曝气	0.3	30~33	76	28	〔50〕
SBR（89.5 L）	生物膜	生活污水	70	180	2.57	间歇曝气	>5	30	80~90	未提及	〔51〕

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