Optimization of nitrogen removal for alternating intermittent aeration-type activated sludge system:: A new process modification

被引：6
|
作者：
Insel, Guclu [1 ]
Sozen, Seval [1 ]
Basak, Serden [1 ]
Orhon, Derin [1 ]
机构：
[1] Istanbul Tech Univ, Dept Environm Engn, TR-34469 Istanbul, Turkey
来源：
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2006年 / 41卷 / 09期
关键词：
activated sludge modeling; intermittent aeration; nitrification; denitrification; aerated fraction; cycle time ratio; aeration control;
D O I：
10.1080/10934520600778994
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A new activated sludge process modification was proposed for intermittent aeration process to achieve more stable nitrogen removal performance. A single completely mixed reactor was divided into two compartments in series and operated in intermittent aeration mode by using activated sludge simulation model. The new configuration provided competetive advantage on nitrification as well as denitrification capacity, compared to the intermittently aerated system with a single reactor. In addition, the dissolved oxygen set-point control during air-on periods was found to be an important parameter in terms of nitrogen removal.
引用
收藏
页码：1819 / 1829
页数：11
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