低温条件下A2/O生物强化除磷系统的反硝化除磷特性

被引:2
作者
杨殿海
卢文健
王荣昌
江清华
周琪
机构
[1] 同济大学环境科学与工程学院污染控制与资源化研究国家重点实验室
基金
教育部留学回国人员科研启动基金;
关键词
生物强化除磷; 反硝化除磷; A2/O; 低温;
D O I
10.16796/j.cnki.1000-3770.2011.04.010
中图分类号
X703.1 [技术方法];
学科分类号
083002 ;
摘要
以处理城市污水的中试规模A2/O工艺为研究对象,通过改变进水流量以及混合液回流比来调节缺氧区硝酸盐浓度,研究了低温((12±4)℃)条件下生物强化除磷(EBPR)系统的反硝化除磷特性。试验结果方差分析(ANOVA)表明,生物除磷与脱氮过程之间存在紧密相关性(p<0.05),并观测到反硝化除磷现象;当进水流量为2.5 m3.h-1,混合液回流比为150%时中试装置的除磷脱氮能力较好,出水COD、TN、TP质量浓度分别为30±10、5.6±2.9、(0.4±0.2)mg·L-1,达到国家综合排放标准(GB 18918-2002)一级A排放标准。
引用
收藏
页码:33 / 36
页数:4
相关论文
共 23 条
[1]  
Advances inenhanced biological phosphorus removal:from micro to macro scale. Adrian Oehmen,,Paulo C Lemos,Gilda Carvalho,et al. Water Research . 2007
[2]  
Modelof the anaerobic metabolism of the biological phosphorus removalprocess:stoichiometry and pH influence. Smolders G J F,van der Meij J,van Loosdrecht M C M,et al. Biotechnology and Bioengineering . 2004
[3]  
Competitionbetween polyphosphate and glycogen accumulating organisms inenhanced biological phosphorus removal systems with acetate andpropionate as carbon sources. Adrian Oehmen,Aaron M Saunders,M Teresa Vives. Journal of Biotechnology .
[4]  
Effects of pH on enhanced biologicalphosphorus removal metabolisms. Schuler A J,Jenkins D. Water Science and Technology . 2002
[5]  
Full-scale applicationsof nit rogen removal with methanol as carbon source. Nyberg U,Aspegren H,Andersson B,et al. Water Science and Technology . 1992
[6]  
Microbiology and biochemistry of the enhanced biological phosphate removal process. Mino T,Van Loosdrecht M C M,Heijnen J J. Water Research . 1998
[7]  
Effect of cyclic oxygen exposure on the activity of denitrifying phosphorus removing bacteria. Kuba T,Van Loosdrecht MCM,Heijnen JJ. Water Science and Technology . 1996
[8]  
Effect of nitrite on phosphate uptake by phosphate accumulating organisms. Saito T,Brdjanovic D,van Loosdrecht M C M. Water Research . 2004
[9]  
Biological phosphorus uptake under anoxic and aerobic conditions. Kerrn-Jespersen JP,Henze M. Water Research . 1993
[10]  
Characterization of the denitrifying fraction of phosphate accumulating organisms in biological phosphate removal. Minhold T,Filipe C D M,Daigger G T,et al. Water Science and Technology . 1999