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10. A Critical Review on Methodologies for the Energy Benchmarking of Wastewater Treatment Plants.

Author

Gallo, Michela, Malluta, Desara, Del Borghi, Adriana, and Gagliano, Erica

Abstract

The main priority at wastewater treatment plants (WWTPs) is the attainment of a high quality of treated effluent ensuring the highly effective removal of pollutants and protecting the environment and public health. However, WWTPs are made of energy-intensive processes and consequently, they are considered major energy consumers in the public sector. The need to move towards energy neutrality in the wastewater sector was recently pointed out by the proposal of a recast Urban Wastewater Treatment Directive. To date, a comprehensive methodology for energy audits at WWTPs is still missing. The present review aims at discussing the state of the art on energy consumption at WWTPs and at surveying the energy benchmarking methodologies currently available highlighting the main advantages and limitations. It was pointed out that aeration represents the highest energy-intensive compartment in WWTPs (40–75% of total energy). The wide overview provided by key performance indicators (KPIs) might be overcome by applying benchmarking methodologies based on data envelopment analysis (DEA). The latest is properly designed for WWTPs and able to manage multiple inputs and outputs. However, the obtained findings are often limited and fragmented, making the standardization of the methodology difficult. Consequently, future investigations are advised on the development of standard procedures related to data acquisition and collection and on the implementation of online and real-time monitoring. Considering the lack of standardized methodology for the energy benchmarking of WWTPs, the present article will provide essential information to guide future research, helping WWTP utilities to reach the energy audit goals in the accomplishment of incoming EU directives. [ABSTRACT FROM AUTHOR]

Published
2024
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28. AMICE Project - Advanced Manufacturing in Central Europe

Author

Demartini, Melissa, Barberis, Fabrizio, Berselli, Giovanni, DEL BORGHI, Adriana, Gallo, Michela, Raffaella, Bruzzone, and Tonelli, Flavio

Subjects
Advanced Manufacturing, Industry 4.0, 3D printing, 3D printing, Advanced Manufacturing, Industry 4.0
Published
2020

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