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The use of exergy analysis to benchmark the resource efficiency of municipal waste water treatment plants in Ireland

Horrigan, Matthew, Corcoran, Brian, Delauré, Yan ORCID: 0000-0002-7151-9278, Phelan, Thomas, McNamara, Greg ORCID: 0000-0003-1150-5111 and Fitzsimons, Lorna ORCID: 0000-0002-8783-3755 (2014) The use of exergy analysis to benchmark the resource efficiency of municipal waste water treatment plants in Ireland. In: South East European Conference on Sustainable Development of Energy, Water and Environment Systems, 29 Jun - 3 Jul 2014, Ohrid, Macedonia.

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Abstract

Exergy Analysis has been identified in the literature as a powerful tool to benchmark the resource efficiency of thermal systems. The exergy approach provides a rational basis for process optimisation, where, in theory, the processes with the greatest exergy destruction represent the greatest energy efficiency opportunities. Exergy analysis of a Waste Water Treatment Plant (WWTP) has been performed. In addition, two separate reference environments for WWTPs are defined based on plant location. Biological oxygen demand was identified as the most useful parameter when calculating the chemical exergy of organic matter in waste water. The results of this study indicate that organic matter is the principal contributor to chemical exergy values and that exergy analysis is a useful approach to identify inefficient processes within a WWTP.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Refereed:Yes
Uncontrolled Keywords:Wastewater treatment; Exergy analysis; Thermodynamics
Subjects:Engineering > Mechanical engineering
Engineering > Environmental engineering
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Mechanical and Manufacturing Engineering
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:Environmental Protection Agency
ID Code:20100
Deposited On:12 Sep 2014 14:42 by Lorna Fitzsimons . Last Modified 17 Jun 2021 16:41

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