Using a detailed inventory of a large wastewater treatment plant to estimate the relative importance of construction to the overall environmental impacts
dc.contributor.author
dc.date.accessioned
2017-09-04T10:57:56Z
dc.date.available
2021-04-07T08:03:00Z
dc.date.issued
2017-10-01
dc.identifier.issn
0043-1354
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dc.description.abstract
The aim of this work is to quantify the relative contribution to the overall environmental impact of the construction phase compared to the operational phase for a large conventional activated sludge wastewater treatment plant (WWTP). To estimate these environmental impacts, a systematic procedure was designed to obtain the detailed Life Cycle Inventories (LCI) for civil works and equipment, taking as starting point the construction project budget and the list of equipment installed at the Girona WWTP, which are the most reliable information sources of materials and resources used during the construction phase. A detailed inventory is conducted by including 45 materials for civil works and 1,240 devices for the equipment. For most of the impact categories and different life spans of the WWTP, the contribution of the construction phase to the overall burden is higher than 5% and, especially for metal depletion, the impact of construction reaches 63%. When comparing to the WWTP inventories available in Ecoinvent the share of construction obtained in this work is about 3 times smaller for climate change and twice higher for metal depletion. Concrete and reinforcing steel are the materials with the highest contribution to the civil works phase and motors, pumps and mobile and transport equipment are also key equipment to consider during life cycle inventories of WWTPs. Additional robust inventories for similar WWTP can leverage this work by applying the factors (kg of materials and energy per m 3 of treated water) and guidance provided
dc.description.sponsorship
The authors would like to thank Trargisa S.A. for providing the data and feedback on the WWTP of Girona, Voltes S.L.U. for the technical support, Banc BEDEC, the Ministry of Economy and competitiveness for the Ramon and Cajal grant from Lluís Corominas (RYC-2013-14595) and the REaCH project (CTM2015-66892-R). Serni Morera’s FI scholarship (2015FI_B2 00071), STSMscholarship from EU-Cost Action Water2020 (ECOST-STSM ES1202-110614-044095). LEQUIA and ICRA were recognized as consolidated research groups by the Catalan Government with codes 2014-SGR-1168 and 2014-SGR-291,respectively
dc.format.mimetype
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.relation
MINECO/PE 2016-2019/CTM2015-66892-R
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Reproducció digital del document publicat a: https://doi.org/10.1016/j.watres.2017.05.069
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© Water Research, 2017, vol. 122, p. 614-623
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Articles publicats (D-EQATA)
dc.rights
Reconeixement-NoComercial-SenseObraDerivada 4.0 Internacional
dc.rights.uri
dc.subject
dc.title
Using a detailed inventory of a large wastewater treatment plant to estimate the relative importance of construction to the overall environmental impacts
dc.type
info:eu-repo/semantics/article
dc.rights.accessRights
info:eu-repo/semantics/openAccess
dc.embargo.terms
2019-10-01
dc.date.embargoEndDate
info:eu-repo/date/embargoEnd/2019-10-01
dc.type.version
info:eu-repo/semantics/acceptedVersion
dc.identifier.doi
dc.identifier.idgrec
026919
dc.contributor.funder
dc.identifier.eissn
1879-2448