Influence of COD/N Ratios on Simultaneous Removal of C and N Compounds in Biological Wastewater Treatment in Sequencing Fed-Batch Reactor and Kinetic Analysis

被引：1
|
作者：
Shao, Youyuan [1 ]
Li, Wei [2 ]
Yao, Chuang [2 ]
Qin, Guanfeng [1 ]
Szewczyk, Krzysztof W. [3 ]
机构：
[1] Dongguan Univ Technol, Coll Chem & Environm Engn, Dongguan 523808, Guangdong, Peoples R China
[2] Hubei Univ Technol, Coll Chem & Environm Engn, Wuhan 430068, Peoples R China
[3] Warsaw Univ Technol, Fac Chem & Proc Engn, PL-00645 Warsaw, Poland
来源：
JOURNAL OF HAZARDOUS TOXIC AND RADIOACTIVE WASTE | 2011年 / 15卷 / 01期
关键词：
Sequencing fed-batch reactor; Activated sludge; Wastewater; Nitrification; Denitrification;
D O I：
10.1061/(ASCE)HZ.1944-8376.0000062
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The impact of chemical oxygen demand/nitrogen (COD/N) values of feed wastewater on COD and nitrogen removal and biomass growth in a sequencing fed-batch reactor (SFBR) operation was investigated. The multiple microbial reactions involved in the simultaneous removal process of carbonaceous and nitrogenous components in the SFBR system were analyzed using a set of kinetics mathematical model. The results indicate that COD/N ratios strongly influence COD and total nitrogen removal efficiency. The COD removal efficiency per gram microorganism changed from 64.3 to 78.1% at COD/N = 11.9-2.5. The total nitrogen removal efficiency changed from 10.3 to 34.2% at COD/N = 2.5-11.9. However, variable COD/N ratios of feed wastewater are not marked for biomass growth rate.
引用
收藏
页码：42 / 47
页数：6
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