Model predictive control of biological nitrogen removal via partial nitrification at low carbon/nitrogen (C/N) ratio

被引：23

作者：

Wu, Jun ^{[1
]}

Yan, Gang ^{[1
]}

Zhou, Guojing ^{[1
]}

Xu, Ting ^{[1
]}

机构：

[1] Yangzhou Univ, Sch Environm Engn & Sci, 196 West Huayang Rd, Yangzhou 225009, Jiangsu, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2014年 / 2卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Model predictive control; Partial nitrification; External carbon source addition; Low C/N ratio; Oxygen transfer coefficient;

D O I：

10.1016/j.jece.2014.08.007

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The shortage of easily degradable carbon source in the denitrification process limits the biological nitrogen removal efficiency. Partial nitrification has shown to be an attractive technology due its savings in aeration and external carbon source addition cost in the biological nitrogen removal. In this article, a model predictive control method was proposed to optimize the aeration and the external carbon source addition under the disturbance of influent flow rate and nitrogen load. The results indicated that 56% saving in external carbon source addition and 26% saving in aeration cost can be achieved by the model predictive control method applied in the partial nitrification, in comparison to the complete nitrification. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：1899 / 1906

页数：8

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[J]. Wu, Jun, 1899, Elsevier Ltd (02):
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