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Alvi M, Batstone D, Mbamba CK, Keymer P, French T, Ward A, Dwyer J, Cardell-Oliver R. Deep learning in wastewater treatment: a critical review. WATER RESEARCH 2023; 245:120518. [PMID: 37716298 DOI: 10.1016/j.watres.2023.120518] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 08/19/2023] [Accepted: 08/22/2023] [Indexed: 09/18/2023]
Abstract
Modeling wastewater processes supports tasks such as process prediction, soft sensing, data analysis and computer assisted design of wastewater systems. Wastewater treatment processes are large, complex processes, with multiple controlling mechanisms, a high degree of disturbance variability and non-linear (generally stable) behavior with multiple internal recycle loops. Semi-mechanistic biochemical models currently dominate research and application, with data-driven deep learning models emerging as an alternative and supplementary approach. But these modeling approaches have grown in separate communities of research and practice, and so there is limited appreciation of the strengths, weaknesses, contrasts and similarities between the methods. This review addresses that gap by providing a detailed guide to deep learning methods and their application to wastewater process modeling. The review is aimed at wastewater modeling experts who are familiar with established mechanistic modeling approach, and are curious about the opportunities and challenges afforded by deep learning methods. We conclude with a discussion and needs analysis on the value of different ways of modeling wastewater processes and open research problems.
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Affiliation(s)
- Maira Alvi
- Department of Computer Science & Software Engineering, The University of Western Australia, Australia.
| | - Damien Batstone
- Australian Centre for Water and Environmental Biotechnology, University of Queensland, Brisbane, Australia
| | - Christian Kazadi Mbamba
- Australian Centre for Water and Environmental Biotechnology, University of Queensland, Brisbane, Australia
| | - Philip Keymer
- Australian Centre for Water and Environmental Biotechnology, University of Queensland, Brisbane, Australia
| | - Tim French
- Department of Computer Science & Software Engineering, The University of Western Australia, Australia
| | - Andrew Ward
- Australian Centre for Water and Environmental Biotechnology, University of Queensland, Brisbane, Australia
| | | | - Rachel Cardell-Oliver
- Department of Computer Science & Software Engineering, The University of Western Australia, Australia
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Okan B, Erguder TH, Aksoy A. Plant-wide modeling of a metropolitan wastewater treatment plant to reduce energy consumption and carbon footprint. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:16068-16080. [PMID: 36175732 DOI: 10.1007/s11356-022-23054-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 09/13/2022] [Indexed: 06/16/2023]
Abstract
A real metropolitan wastewater treatment plant (RWWTP) serving a population equivalent of 1.55 million was modeled to reduce energy consumption and carbon footprint (CFP). An approach was proposed to handle the dilution factor and partial aeration due to discontinuous air diffuser locations in the Bardenpho-5 configuration. Various operational, structural, and configurational modifications were evaluated. Results indicated that management scenarios might provide conflicting outcomes for different targets. Reduced energy consumption may not result in lower CFP at the same time. Moreover, operational changes that would impact total nitrogen (TN) concentrations and N2O release may significantly impact CFP. A policy of using a modified Bardenpho-5 process with reduced internal recycle (IR) ratio, waste activated sludge (WAS), and return activated sludge (RAS) flow rates provided the lowest CPF. Modified Bardenpho-5 process and replacing belt thickeners with gravity thickeners supplied the highest savings in energy consumption. Overall, up to 14% and 20% reductions were possible in the energy consumption and CFP of the plant, respectively. The RWWTP may save up to 10% in energy expenses annually by operational modifications.
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Affiliation(s)
- Bora Okan
- Department of Environmental Engineering, Middle East Technical University, 06800, Ankara, Turkey
| | - Tuba Hande Erguder
- Department of Environmental Engineering, Middle East Technical University, 06800, Ankara, Turkey
| | - Ayşegül Aksoy
- Department of Environmental Engineering, Middle East Technical University, 06800, Ankara, Turkey.
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Huang Z, Liu Q, Liu J, Huang B. A comparative study of model approximation methods applied to economic
MPC. CAN J CHEM ENG 2022. [DOI: 10.1002/cjce.24398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhiyinan Huang
- Department of Chemical & Materials Engineering University of Alberta Edmonton AB Canada
| | - Qinyao Liu
- Department of Mechatronics and Robotics Xi'an Jiaotong Liverpool University Suzhou Jiangsu China
| | - Jinfeng Liu
- Department of Chemical & Materials Engineering University of Alberta Edmonton AB Canada
| | - Biao Huang
- Department of Chemical & Materials Engineering University of Alberta Edmonton AB Canada
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Wang KJ, Wang PS, Nguyen HP. A data-driven optimization model for coagulant dosage decision in industrial wastewater treatment. Comput Chem Eng 2021. [DOI: 10.1016/j.compchemeng.2021.107383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Liu J, Gnanasekar A, Zhang Y, Bo S, Liu J, Hu J, Zou T. Simultaneous State and Parameter Estimation: The Role of Sensitivity Analysis. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c03793] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jianbang Liu
- Key Laboratory of Networked Control Systems, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
- Institute for Robotics & Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110016, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Aristarchus Gnanasekar
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Yi Zhang
- School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
| | - Song Bo
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Jinfeng Liu
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Jingtao Hu
- Key Laboratory of Networked Control Systems, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
- Institute for Robotics & Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110016, China
| | - Tao Zou
- School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China
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Affiliation(s)
- Zhaoyang Duan
- Artie McFerrin Department of Chemical Engineering Texas A&M University College Station Texas USA
| | - Costas Kravaris
- Artie McFerrin Department of Chemical Engineering Texas A&M University College Station Texas USA
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Abstract
In this paper, we consider the problem of economic model predictive control of wastewater treatment plants based on model reduction. We apply two model approximation methods to a wastewater treatment plant (WWTP) described by a modified Benchmark Simulation Model No.1 to overcome the intensive computation associated with economic model predictive control (MPC). Two computationally efficient models are obtained based on trajectory piecewise linearization (TPWL) and reduced order TPWL. To obtain the reduced order TPWL model, a proper orthogonal decomposition (POD)-based method is utilized. Further, the reduced order model is linearized to obtain a TPWL-POD model. The objective is to design controllers which minimize the overall economic cost. Accordingly, we design economic MPC (EMPC) controllers based on each of the models. The economic control cost can be described as a weighted summation of effluent quality and overall operating cost. We compare the accuracy of the two proposed approximation models with different linearization point numbers. We evaluate the average
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Rodríguez-Pérez BE, Flores-Tlacuahuac A, Ricardez-Sandoval L, Lozano FJ. Optimal Water Quality Control of Sequencing Batch Reactors Under Uncertainty. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b01076] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Antonio Flores-Tlacuahuac
- Escuela de Ingenieria y Ciencias, Tecnologico de Monterrey, Campus Monterrey, Nuevo León, 64849, Mexico
| | - Luis Ricardez-Sandoval
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Francisco José Lozano
- Escuela de Ingenieria y Ciencias, Tecnologico de Monterrey, Campus Monterrey, Nuevo León, 64849, Mexico
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Yin X, Decardi-Nelson B, Liu J. Subsystem decomposition and distributed moving horizon estimation of wastewater treatment plants. Chem Eng Res Des 2018. [DOI: 10.1016/j.cherd.2018.04.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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