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The evaluation of technologies for small, new design wastewater treatment systems

McNamara, Greg orcid logoORCID: 0000-0003-1150-5111, Fitzsimons, Lorna orcid logoORCID: 0000-0002-8783-3755, Doherty, Edelle, Clifford, Eoghan orcid logoORCID: 0000-0001-6283-1246 and Delauré, Yan orcid logoORCID: 0000-0002-7151-9278 (2017) The evaluation of technologies for small, new design wastewater treatment systems. Desalination and Water Treatment, 91 . pp. 12-22. ISSN 1944-3994

Abstract
Life cycle costing of small wastewater treatment systems can often be generic and lack a degree of detail that could affect the choice of system. Critical factors such as variations in loading, location and discharge limits are sometimes not given the required weight of importance, and as a result the most suitable, most economical system may not always be implemented. A decision support tool for small, new design wastewater treatment plants has been developed that accounts for variations in several parameters such as scale, discharge limits and sludge disposal. Capital and operational costs have been combined to produce life cycle models for six treatment systems. Each system was assessed in a number of scenarios with variations in scale, discharge limits and sludge disposal route. The results show that in most scenarios, constructed wetlands represent the most economical option where surface area is not restricted. For each system, the percentage contribution of labour to the total operational cost increases as agglomeration size is reduced.
Metadata
Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:Wastewater treatment; Capital and operational expenditure; Life cycle costs; Scenariospecific conditions; Discharge limits
Subjects:Engineering > Mechanical engineering
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Mechanical and Manufacturing Engineering
Research Initiatives and Centres > Water Institute
Publisher:Desalination Publications
Official URL:https://dx.doi.org/10.5004/dwt.2017.21247
Copyright Information:© 2017 Desalination Publications. Open access
Funders:Environmental Protection Agency (EPA) Research Programme 2014–2020. The programme is financed by the Irish Government. It is administered on behalf of the Department of the Environment, Community and Local Government (DECLG) by the EPA
ID Code:25787
Deposited On:22 Apr 2021 14:43 by Greg Mcnamara . Last Modified 01 Mar 2022 14:42
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