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Urban wastewater reuse for citrus irrigation in Algarve, Portugal—Environmental benefits and carbon fluxes

2022-08-28Journal article Open access
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dc.contributor.authorSilva, Manuela
dc.contributor.authorResende, Flávia C.
dc.contributor.authorFreitas, Bárbara
dc.contributor.authorAníbal, Jaime
dc.contributor.authorMartins, António
dc.contributor.authorDuarte, Amilcar
dc.date.accessioned2022-09-01T10:25:05Z
dc.date.available2022-09-01T10:25:05Z
dc.date.issued2022-08-28
dc.description.abstractWater scarcity is increasing in the Mediterranean and alternative sources of water are needed to meet food production needs, protect the environment and reduce the effects of climate change. Currently, many urban wastewater treatment plants (WWTP) produce high volumes of treated effluents which can be an alternative source of water for agriculture irrigation, since they fulfill the quality requirements for crops and the environment. This work analyzed the quantity and quality of a treated effluent produced by an urban WWTP in Algarve, and the environmental benefits of its use on the irrigation of a citrus orchard, as an alternative to groundwater. Carbon dioxide emissions related to orange production were quantified and the orchard’s potential to sequester CO2 was estimated. The reuse of this urban wastewater is revealed to be technologically feasible and environmentally advantageous, avoiding the overexploitation of the local aquifer and preventing the eutrophication of aquatic ecosystems, contributing to the improvement of soil characteristics and decreasing the carbon emissions in orange production. Furthermore, it was found that during the five-month experimental period, the citrus orchard sequestered 87.5% of the CO2e emitted by WWTP in the effluent treatment, converting 72,623 kg of sequestered CO2 into orange biomasspt_PT
dc.description.sponsorshipLIFE18 CCA/ES/001109 - Life Vida for Citrus
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/su141710715pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.1/18203
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCarbon emissionspt_PT
dc.subjectWater reusept_PT
dc.subjectCitrus irrigationpt_PT
dc.subjectEnvironmental protectionpt_PT
dc.subjectSustainable agriculturept_PT
dc.titleUrban wastewater reuse for citrus irrigation in Algarve, Portugal—Environmental benefits and carbon fluxespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage10715pt_PT
oaire.citation.titleSustainabilitypt_PT
oaire.citation.volume14pt_PT
person.familyNameGomes Moreira da Silva
person.familyNameAnibal
person.familyNameDuarte
person.givenNameManuela Fernanda
person.givenNameJaime
person.givenNameAmilcar
person.identifier.ciencia-id4A17-D88F-F5DE
person.identifier.ciencia-idE01D-F785-AB70
person.identifier.ciencia-id081B-5FD8-0E51
person.identifier.orcid0000-0002-3331-8280
person.identifier.orcid0000-0002-9704-5824
person.identifier.orcid0000-0002-2763-1916
person.identifier.ridA-6080-2010
person.identifier.ridF-1472-2010
person.identifier.scopus-author-id6506031408
person.identifier.scopus-author-id7102602102
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication96993ef6-8e1c-4475-8b9c-2b6650e27309
relation.isAuthorOfPublication66594510-941f-49ed-86f5-3ef199bc3227
relation.isAuthorOfPublication88280e66-023a-49f6-8081-c827a15900ce
relation.isAuthorOfPublication.latestForDiscovery66594510-941f-49ed-86f5-3ef199bc3227

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