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Integrating Reliability and Energy Efficiency Assessments for Pinpointing Actionable Strategies for Enhanced Performance of Urban Wastewater Treatment Plants

Author

Listed:
  • Joana Cassidy

    (AGS—Administração e Gestão de Sistemas de Salubridade, S.A., Quinta da Fonte Office Park–Edifício Q54-D. José–Piso 2, 2770-203 Paço de Arcos, Portugal)

  • Tatiana Silva

    (AGS—Administração e Gestão de Sistemas de Salubridade, S.A., Quinta da Fonte Office Park–Edifício Q54-D. José–Piso 2, 2770-203 Paço de Arcos, Portugal)

  • Nuno Semião

    (AGS—Administração e Gestão de Sistemas de Salubridade, S.A., Quinta da Fonte Office Park–Edifício Q54-D. José–Piso 2, 2770-203 Paço de Arcos, Portugal)

  • Pedro Ramalho

    (AGS—Administração e Gestão de Sistemas de Salubridade, S.A., Quinta da Fonte Office Park–Edifício Q54-D. José–Piso 2, 2770-203 Paço de Arcos, Portugal)

  • Ana Rita Santos

    (AGS—Administração e Gestão de Sistemas de Salubridade, S.A., Quinta da Fonte Office Park–Edifício Q54-D. José–Piso 2, 2770-203 Paço de Arcos, Portugal)

  • João Faria Feliciano

    (AGS—Administração e Gestão de Sistemas de Salubridade, S.A., Quinta da Fonte Office Park–Edifício Q54-D. José–Piso 2, 2770-203 Paço de Arcos, Portugal)

  • Catarina Silva

    (Urban Water Division, Hydraulics and Environment Department, LNEC—National Civil Engineering Laboratory, Av. Brasil 101, 1700-066 Lisboa, Portugal)

  • Maria João Rosa

    (Urban Water Division, Hydraulics and Environment Department, LNEC—National Civil Engineering Laboratory, Av. Brasil 101, 1700-066 Lisboa, Portugal)

Abstract

By leveraging performance assessment systems (PASs) and incorporating targeted strategies, utilities can enhance the overall effectiveness, reliability, efficiency, and environmental performance of their wastewater treatment facilities. This work presents the results obtained from a comprehensive analysis of treatment reliability and energy performance of three wastewater treatment plants (WWTPs). The results allowed identifying, for each WWTP, improvement needs related to the aeration energy requirements, as well as to determine the effluent concentration targets required to achieve higher reliability levels while potentially reducing running costs. By analysing reliability combined with energy efficiency, this methodology allowed identifying the WWTPs’ performance-limiting stages or dysfunctions that affect both effectiveness and efficiency, to estimate the investment needs and prioritize the rehabilitation or even retrofitting of facilities’ assets.

Suggested Citation

  • Joana Cassidy & Tatiana Silva & Nuno Semião & Pedro Ramalho & Ana Rita Santos & João Faria Feliciano & Catarina Silva & Maria João Rosa, 2023. "Integrating Reliability and Energy Efficiency Assessments for Pinpointing Actionable Strategies for Enhanced Performance of Urban Wastewater Treatment Plants," Sustainability, MDPI, vol. 15(17), pages 1-13, August.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:17:p:12965-:d:1227146
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    References listed on IDEAS

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    1. Stefano Longo, Mona Chitnis, Miguel Mauricio-Iglesias, Almudena Hospido, 2020. "Transient and Persistent Energy Efficiency in the Wastewater Sector based on Economic Foundations," The Energy Journal, International Association for Energy Economics, vol. 0(Number 6), pages 233-254.
    2. Panepinto, Deborah & Fiore, Silvia & Zappone, Mariantonia & Genon, Giuseppe & Meucci, Lorenza, 2016. "Evaluation of the energy efficiency of a large wastewater treatment plant in Italy," Applied Energy, Elsevier, vol. 161(C), pages 404-411.
    3. Luo, Li & Dzakpasu, Mawuli & Yang, Baichuan & Zhang, Wushou & Yang, Yahong & Wang, Xiaochang C., 2019. "A novel index of total oxygen demand for the comprehensive evaluation of energy consumption for urban wastewater treatment," Applied Energy, Elsevier, vol. 236(C), pages 253-261.
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    Cited by:

    1. Mukhammad Jamaludin & Yao-Chuan Tsai & Hao-Ting Lin & Chi-Yung Huang & Wonjung Choi & Jiang-Gu Chen & Wu-Yang Sean, 2024. "Modeling and Control Strategies for Energy Management in a Wastewater Center: A Review on Aeration," Energies, MDPI, vol. 17(13), pages 1-24, June.

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