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16 p, 3.2 MB |
Nitrous oxide reduction in wastewater treatment plants by the regulation of the internal recirculation flow rate with a fuzzy controller
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Santín López, Ignacio (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Meneses Benítez, Montserrat (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Pedret Ferré, Carles (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Barbu, Marian (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Vilanova i Arbós, Ramon (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes)
The reduction of greenhouse gas emissions due to anthropogenic causes is one of the world's main challenges to face climate change. Wastewater treatment plants are necessary to improve the quality of wastewater before it is discharged into the receiving environment, but they have the disadvantage of generating nitrous oxide emissions during the biological treatment, which is a potent greenhouse gas. [...]
2023 -  10.1016/j.jwpe.2023.103802
Journal of Water Process Engineering, Vol. 53 (July 2023) , art. 103802
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16 p, 1.1 MB |
Nonlinear Pseudo State-Feedback Controller Design for Affine Fuzzy Large-Scale Systems with H∞ Performance
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Zamani, Iman (Shahed University. Electrical and Electronic Engineering Department) ;
Shafieirad, Mohsen (University of Kashan. Department of Electrical and Computer Engineering) ;
Manthouri, Mohammad (Shahed University. Electrical and Electronic Engineering Department) ;
Sarbaz, Mohammad (Shahed University. Electrical and Electronic Engineering Department) ;
Ibeas, Asier (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes)
This paper treats robust controller design for Affine Fuzzy Large-Scale Systems (AFLSS) composed of Takagi-Sugeno-Kang type fuzzy subsystems with offset terms, disturbances, uncertainties, and interconnections. [...]
2022 - 10.1007/s40815-022-01296-x
International Journal of Fuzzy Systems, (September 2022)
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19 p, 5.4 MB |
Design of feedback control strategies in a plant-wide wastewater treatment plant for simultaneous evaluation of economics, energy usage, and removal of nutrients
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Sheik, Abdul (National Institute of Technology. Department of Chemical Engineering) ;
Tejaswini, Egalapati (National Institute of Technology. Department of Chemical Engineering) ;
Seepana, Murali (National Institute of Technology. Department of Chemical Engineering) ;
Ambati, Seshagiri (National Institute of Technology. Department of Chemical Engineering) ;
Meneses Benítez, Montserrat (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Vilanova i Arbós, Ramon (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes)
Simultaneous removal of nitrogen and phosphorous is a recommended practice while treating wastewater. In the present study, control strategies based on proportional-integral (PI), model predictive control (MPC), and fuzzy logic are developed and implemented on a plant-wide wastewater treatment plant. [...]
2021 - 10.3390/en14196386
Energies, Vol. 14, Issue 19 (October 2021) , art. 6386
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13 p, 4.0 MB |
Global Internal Recirculation Alternative Operation to Reduce Nitrogen and Ammonia Limit Violations and Pumping Energy Costs in Wastewater Treatment Plants
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Santín López, Ignacio (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Barbu, Marian (University of Galati. Automatic Control and Electrical Engineering Department) ;
Vilanova i Arbós, Ramon (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Pedret Ferré, Carles (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Barbu, Marian
The internal recirculation plays an important role in different areas of the biological treatment of wastewater treatment plants because it has a great influence on the concentration of pollutants, especially nutrients. [...]
2020 - 10.3390/pr8121606
Processes, Vol. 8, Num. 12 (December2020) , art. 1606
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16 p, 1.1 MB |
A participatory approach for adapting river basins to climate change
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Verkerk, Pieter Johannes (European Forest Institute. Mediterranean Regional Office) ;
Sánchez Plaza, Anabel (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Libbrecht, Steven (Prospex bvba (Keerbergen, Bèlgica)) ;
Broekman, Annelies (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Bruggeman, Adriana (The Cyprus Institute. Energy, Environment and Water Research Center) ;
Daly-Hassen, Hamed (National Research Institute of Rural Engineering, Water and Forests (Tunísia)) ;
Giannakis, Elias (The Cyprus Institute. Energy, Environment and Water Research Center) ;
Jebari, Sihem (National Research Institute of Rural Engineering, Water and Forests (Tunísia)) ;
Kok, Kasper (Wageningen Universiteit. Soil Geography and Landscape Group.) ;
Klemenčič, Aleksandra Krivograd (Inštitut za vode Republike Slovenije) ;
Magjar, Manca (Inštitut za vode Republike Slovenije) ;
Martinez de Arano, Inazio (European Forest Institute. Mediterranean Regional Office) ;
Robert, Nicolas (European Forest Institute. Mediterranean Regional Office) ;
Smolar-Žvanut, Nataša (Inštitut za vode Republike Slovenije) ;
Varela, Elsa (Mediterranean Regional Office. European Forest Institute) ;
Zoumides, Christos (The Cyprus Institute. Energy, Environment and Water Research Center)
Climate change is expected to reduce water availability in the Mediterranean region and water management needs to adapt to future conditions. The aims of this study were (1) to develop a participatory approach for identifying and evaluating management options for river basin climate adaptation and (2) to apply and evaluate the approach in four case-study river basins across the Mediterranean. [...]
2017 - 10.3390/w9120958
Water, Vol. 9, issue 12 (Desembre 2017) , art. 958
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