Multivariable control of nutrient-removing activated sludge systems

被引：46
作者：
Steffens, MA
Lant, PA
机构：
[1] UCL, Dept Chem Engn, London, England
[2] Univ Queensland, Adv Wastewater Management Ctr, Brisbane, Qld 4072, Australia
来源：
WATER RESEARCH | 1999年 / 33卷 / 12期
关键词：
biological nutrient removal; control; model based control;
D O I：
10.1016/S0043-1354(98)00521-1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The aim of this paper is to evaluate several multivariable model-based control algorithms for controlling nitrogen removal in activated sludge processes, We contend that the control of nutrient removal in activated sludge systems is a multivariable control problem, rather than a multiloop problem. The work is a simulation study of a predenitrification activated sludge plant. Several model-based controllers are evaluated and compared against a base-case and multiloop controller. We introduce a quantitative measure to aid in controller evaluation. Model based control algorithms are shown to be able to provide tight control of N removal, thereby offering significant benefits in terms of deferred capital expenditure. This is in return for increased operating costs. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2864 / 2878
页数：15
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