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Rainwater harvesting systems reduce detergent use
Vargas Parra, María Violeta (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Rovira Val, Ma. Rosa (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Gabarrell Durany, Xavier (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Villalba Méndez, Gara (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)

Date: 2019
Abstract: Purpose: Due to population growth, urban water demand is expected to increase significantly, as well as the environmental and economic costs required to supply it. Rainwater harvesting (RWH) systems can play a key role in helping cities meet part of their water demand as an alternative to conventional water abstraction and treatment. This paper presents an environmental and economic analysis of RWH systems providing households with water for laundry purposes in a life cycle thinking perspective. Conclusions: LCA and LCC present better results for high-density scenarios. Overall, avoided environmental and economic impacts from detergent reduction clearly surpass environmental impacts (in all categories except terrestrial acidification) and economic cost of the RWHsystem in most cases (except two scenarios). Another important finding is that 80%of the savings are achieved by minimizing detergent and fabric softener by using soft rainwater; and the remaining 20% comes from replacing the use of tap water.
Note: Unidad de excelencia María de Maeztu MdM-2015-0552
Note: Número d'acord de subvenció MICINN/CTM2010/17365
Rights: Tots els drets reservats
Language: Anglès.
Document: article ; recerca ; acceptedVersion
Subject: Financial analysis ; Hardware ; Industrial ecology ; Laundry additives ; LCA ; LCC ; Rainwater ; Urban planning ; Urban sustainability
Published in: The International Journal of Life Cycle Assessment, Volume 24, issue 5 (May 2019) , p. 809–823, ISSN 0948-3349

DOI: 10.1007/s11367-018-1535-8


Available from: 2021-05-30

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Engineering > Sustainability and Environmental Protection (Sostenipra)
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Institut de Ciència i Tecnologia Ambientals (ICTA)
Articles > Research articles
Articles > Published articles

 Record created 2018-10-26, last modified 2019-07-01



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