摘要
固定生物膜-活性污泥工艺(IFAS)能够显著加强硝化作用,而将部分亚硝化/厌氧氨氧化(PN/A)脱氮途径引入IFAS工艺对节省能耗,生态可持续脱氮有重要意义。围绕两种配置的IFAS工艺脱氮问题,总结了前人的研究进展,探讨了溶解氧浓度、C/N比、水力停留时间、填充比、泥龄等控制因素对脱氮效果的影响,整理说明了国内外部分IFAS工艺的实际应用,同时提出了今后应加强研究的方面,以期为应用研究提供理论参考。
The Integrated Fixed-film Activated Sludge System(IFAS)can greatly enhance nitrification,furthermore,the introduction of Partial Nitritation/Anammox(PN/A)pathway into IFAS process is of great significance for energy saving and ecological and sustainable nitrogen removal.In view of the denitrification problems of two kinds of IFAS process,summarizes the research progress of predecessors.This paper discusses the influence of dissolved oxygen concentration,C/N ratio,hydraulic retention time,filling ratio,soild retention time and other control factors on the denitrification effect,and summarizes the practical application of some IFAS processes at home and abroad.At the same time,it puts forward the aspects that should be strengthened in the future,in order to provide theoretical reference for the application research.
作者
宋相通
徐祖武
董滨
SONG Xiangtong;XU Zuwu;DONG Bin(State Key Laboratory of Pollution Control and Resource Reuse,School of Environmental Science and Engineering,Tongji University,Shanghai 200092,China;Shanghai Zhongyao Environmental Protection Industry Co.,Ltd,Shanghai 200092,China;China Three Gorges Group Co.,Ltd,Beijing 100038,China)
出处
《水处理技术》
CAS
CSCD
北大核心
2022年第2期29-33,共5页
Technology of Water Treatment
基金
中国长江三峡集团有限公司项目(202003080,202003166)。
关键词
固定生物膜-活性污泥工艺
脱氮
控制因素
实际应用
integrated fixed-film activated sludge system
denitrification
control factors
practical application
