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Safe drinking water for rural communities using a low-cost household system. Effects of water matrix and field testing

dc.contributor.authorPichel N
dc.contributor.authorLubarsky H
dc.contributor.authorAfkhami A
dc.contributor.authorBaldasso V
dc.contributor.authorBotero L
dc.contributor.authorSalazar J
dc.contributor.authorHincapie M
dc.contributor.authorByrne J.A
dc.contributor.authorFernandez-Ibañez P.
dc.date.accessioned2022-09-14T14:34:01Z
dc.date.available2022-09-14T14:34:01Z
dc.date.created2021
dc.identifier.issn22147144
dc.identifier.urihttp://hdl.handle.net/11407/7558
dc.descriptionThe relationship between turbidity (T) and ultraviolet C (UVC) disinfection is still not clearly understood, as well as no attention has been paid to the contribution of natural organic matter (NOM). The present work assessed the influence of particulate and NOM on the UVC disinfection efficiency in terms of E. coli and MS2 removal at bench collimated beam (CB) and flow-UVC systems, both in the laboratory and in the field (Colombia). The flow-UVC reactor was installed as part of a household water treatment (HWT) system consisting of filtration + UVC disinfection. Tests were performed according to the WHO standards using fine test dust, humic acid (HA), and MS2 and E. coli as microbiological indicators. CB results showed a significant decrease in the inactivation rate of MS2 in the presence of small concentrations of HA (3.5 mg/L), with killing dose increasing a 65%, vs. non-significant effects of turbidity in the range of 0–20 NTU. Following the same trend, in flow-UVC tests the inactivation efficiency of MS2 decreased solely in the presence of HA. At the same HA concentration and flow rate, an increase in turbidity of 17.6 NTU showed a negligible effect. Conversely, in the presence of HA, UVT254 dropped from 88.7% (0 mg/L HA) to 73.3%, reducing MS2 inactivation by 1–2 log-units. Finally, the HWT system could be classified as protective working at flow rates ≤5 L/min. However, in the presence of 3.5 mg/L HA (UVT254 < 75%), it presented a limited protection for viruses. © 2021 The Authorseng
dc.language.isoeng
dc.publisherElsevier Ltd
dc.relation.isversionofhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85118677831&doi=10.1016%2fj.jwpe.2021.102400&partnerID=40&md5=060a06a35e6be0196b5c938f11a4194f
dc.sourceJournal of Water Process Engineering
dc.titleSafe drinking water for rural communities using a low-cost household system. Effects of water matrix and field testing
dc.typeArticle
dc.rights.accessrightsinfo:eu-repo/semantics/restrictedAccess
dc.publisher.programIngeniería Ambiental
dc.type.spaArtículo
dc.identifier.doi10.1016/j.jwpe.2021.102400
dc.subject.keywordDrinking watereng
dc.subject.keywordHumic acideng
dc.subject.keywordMS2eng
dc.subject.keywordTurbidityeng
dc.subject.keywordUVC disinfectioneng
dc.relation.citationvolume44
dc.publisher.facultyFacultad de Ingenierías
dc.affiliationPichel, N., Nanotechnology and Integrated BioEngineering Centre, School of Engineering, Ulster UniversityNorthern Ireland BT37 0QB, United Kingdom, Solar Energy Research Centre (CIESOL), Joint Centre University of Almeria-CIEMAT, Carretera de Sacramento s/n, Almeria, 14120, Spain, Department of Chemical Engineering, University of Almeria, Spain
dc.affiliationLubarsky, H., Nanotechnology and Integrated BioEngineering Centre, School of Engineering, Ulster UniversityNorthern Ireland BT37 0QB, United Kingdom
dc.affiliationAfkhami, A., Nanotechnology and Integrated BioEngineering Centre, School of Engineering, Ulster UniversityNorthern Ireland BT37 0QB, United Kingdom
dc.affiliationBaldasso, V., Politecnico di Milano, Department of Civil and Environmental Engineering (DICA), Piazza Leonardo da Vinci 32, Milan, 20133, Italy
dc.affiliationBotero, L., Faculty of Engineering, University of Medellin, Ctra. 87, 30-65, Medellin, 050026, Colombia
dc.affiliationSalazar, J., Faculty of Engineering, University of Medellin, Ctra. 87, 30-65, Medellin, 050026, Colombia
dc.affiliationHincapie, M., Faculty of Engineering, University of Medellin, Ctra. 87, 30-65, Medellin, 050026, Colombia
dc.affiliationByrne, J.A., Nanotechnology and Integrated BioEngineering Centre, School of Engineering, Ulster UniversityNorthern Ireland BT37 0QB, United Kingdom
dc.affiliationFernandez-Ibañez, P., Nanotechnology and Integrated BioEngineering Centre, School of Engineering, Ulster UniversityNorthern Ireland BT37 0QB, United Kingdom
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dc.type.coarhttp://purl.org/coar/resource_type/c_6501
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dc.type.driverinfo:eu-repo/semantics/article
dc.identifier.reponamereponame:Repositorio Institucional Universidad de Medellín
dc.identifier.repourlrepourl:https://repository.udem.edu.co/
dc.identifier.instnameinstname:Universidad de Medellín


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