Title :
Effect of DO on simultaneous nitrification and denitrification in catching bed biofilm reactor
Author :
Zhang, Yan ; Zhang, Yanqing ; Wang, Hui ; Yan, Shengyong ; Wang, Lili ; Yang, Zhengyang
Author_Institution :
Beijing Key Lab. of Water Quality Sci. & Water Environ. Restoration Eng., Beijing Univ. of Technol., Beijing, China
Abstract :
In this study, effect of DO on simultaneous nitrification and denitrification in catching bed biofilm reactor were investigated, using three sets of parallel reactors controlled with different DO concentration. The average removal rate of COD was reached at 87% over the range of 0~3mg/L of DO. Comparely, NH4+-N removal rate increased significantly with the increase of DO concentration. The optimize DO concentration was 2~3, the average removal rate of NH4+-N and TN were 91.6% and 64.4% respectively.
Keywords :
bioreactors; nitrogen compounds; wastewater treatment; DO concentration; bed biofilm reactor; denitrification; parallel reactors; simultaneous nitrification; Biological system modeling; Educational institutions; Electronic mail; Inductors; Nitrogen; Oxidation; Wastewater treatment; DO; SND; nitrogen removal; wastewater treatment;
Conference_Titel :
Electrical and Control Engineering (ICECE), 2011 International Conference on
Conference_Location :
Yichang
Print_ISBN :
978-1-4244-8162-0
DOI :
10.1109/ICECENG.2011.6058493
