Factors Influencing the Start-up and Stability of Partial Nitrification in a Continuous Flow Reactor

被引：0
|
作者：
Wu, Chengcheng [1 ]
Peng, Yongzhen [1 ]
Zhang, Liang [2 ]
机构：
[1] Beijing Univ Technol, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing, Peoples R China
[2] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin, Peoples R China
来源：
2011 INTERNATIONAL CONFERENCE ON ELECTRONICS, COMMUNICATIONS AND CONTROL (ICECC) | 2011年
基金：
北京市自然科学基金;
关键词：
continuous flow; partial nitrification; influencing factor; nitrogen loading rate; NITROUS-ACID; DENITRIFICATION; INHIBITION; AMMONIA;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The start-up and stability of partial nitrification in a continuous flow bioreactor was investigated in this study. Nitrogen loading rate (NLR) was set to be the central examined factor and partial nitrification performance of AO system was monitored with its variation. Results from experiments indicated that NLR was the most direct factor leading to nitrite accumulation, and inhibition of free ammonia (FA) and free nitrite acid (FNA) had significant effect on partial nitrification. The gap between the specific growth rate of ammonia-oxidizing bacteria (AOB) and that of nitrite-oxidizing bacteria (NOB) leads to the AOB enrich and NOB eliminate in the system fed by high ammonia concentration inflow.
引用
收藏
页码：4308 / 4311
页数：4
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