Design of control strategies for nutrient removal in a biological wastewater treatment process

被引：20
作者：
Shiek, Abdul Gaffar [1 ]
Machavolu, V. S. Raghu Kumar [1 ]
Seepana, Murali Mohan [1 ]
Ambati, Seshagiri Rao [1 ]
机构：
[1] Natl Inst Technol, Dept Chem Engn, Warangal 506004, Telangana, India
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2021年 / 28卷 / 10期
关键词：
Activated sludge process; Effluent quality; Model predictive control; Fuzzy control; PI controller; Operational cost; CONTROL-SYSTEM; MODEL; PHOSPHORUS; NITROGEN;
D O I：
10.1007/s11356-020-09347-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Wastewater treatment plants (WWTP) are highly non-linear operations concerned with huge disturbances in flow rate and concentration of pollutants with uncertainties in the composition of influent wastewater. In this work, the activated sludge process model with seven reactor configuration in the ASM3bioP framework is used to achieve simultaneous removal of nitrogen and phosphorus. A total of 8 control approaches are designed and implemented in the advanced simulation framework for assessment of the performance. The performance of the WWTP (effluent quality index and global plant performance) and the operational costs are also evaluated to compare the control approaches. Additionally, this paper reports a comparison among proportional integral (PI) control, fuzzy logic control, and model-based predictive control (MPC) configurations framework. The simulation outcomes indicated that all three control approaches were able to enhance the performance of WWTP when compared with open loop operation.
引用
收藏
页码：12092 / 12106
页数：15
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