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Sustainable Production of Reclaimed Water by Constructed Wetlands for Combined Irrigation and Microalgae Cultivation Applications

2021-02-13Journal article Open access
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dc.contributor.authorPinho, Henrique J. O.
dc.contributor.authorMateus, D. M. R.
dc.date.accessioned2021-06-22T10:12:11Z
dc.date.available2021-06-22T10:12:11Z
dc.date.issued2021-02-13en_US
dc.date.updated2021-06-22T10:09:27Z
dc.description.abstractConsidering the increasing pressure on freshwater resources due to the constant increase in water consumption and insufficient wastewater control and treatment, recovering waste water is a path to overcoming water scarcity. The present work describes the potential of reusing treated wastewater (reclaimed water) for irrigation and production of microalgae biomass in an integrated way, through experimental evaluation of plant and microalgae growth, and creation of an application model. First, two parallel experiments were conducted to evaluate the use of reclaimed water produced by a constructed wetland filled with a mix of solid waste: the irrigation of a set of small pots filled with soil and planted with Tagetes patula L., and the cultivation of microalgae Chlorella sp.and a mixed microalgae population with predominant species of the genus Scenedesmus sp. in shaken flasks and tubular bubble column photobioreactors. Results indicated no negative effects of using the reclaimed water on the irrigated plants and in the cultivated microalgae. The growth indicators of plants irrigated with reclaimed water were not significantly different from plants irrigated with fertilized water. The growth indicators of the microalgae cultivated with reclaimed water are within the range of published data. Second, to apply the results to a case study, the seasonal variability of irrigation needs in an academic campus was used to propose a conceptual model for wastewater recovery. The simulation results of the model point to a positive combination of using reclaimed water for the irrigation of green spaces and microalgae production, supported by a water storage strategy. Water abstraction for irrigation purposes can be reduced by 89%, and 2074 kg dry weight microalgae biomass can be produced annually. Besides the need for future work to optimize the model and to add economical evaluation criteria, the model shows the potential to be applied to non-academic communities in the perspective of smarter and greener cities.en_US
dc.description.sponsorshipThe authors acknowledge the support from the Smart Cities Research Center(Ci2), from the Laboratory of Bioenergy and Applied Biotechnology (Biotec.IPT), and from the staff of the Lab.IPT. The work of Carolina Masseno, an exchange student from Universidade Federal Fluminense, Brasil, and the help of Orlando Fonseca is also acknowledged.en_US
dc.description.versionN/A
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.3390/hydrology8010030en_US
dc.identifier.slugcv-prod-2194027
dc.identifier.urihttp://hdl.handle.net/10400.26/36852
dc.language.isoengen_US
dc.peerreviewedyes
dc.relationSmart Cities Research Center
dc.subjectmicroalgae productionen_US
dc.subjectirrigationen_US
dc.subjectreclaimed wateren_US
dc.subjecttreatment wetlandsen_US
dc.subjectwastewater reuseen_US
dc.subjectwater circularityen_US
dc.subjectsustainabilityen_US
dc.titleSustainable Production of Reclaimed Water by Constructed Wetlands for Combined Irrigation and Microalgae Cultivation Applicationsen_US
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleSmart Cities Research Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F05567%2F2020/PT
oaire.citation.titleHydrologyen_US
oaire.fundingStream6817 - DCRRNI ID
person.familyNamede Oliveira Pinho
person.familyNameMateus
person.givenNameHenrique Joaquim
person.givenNameDina Maria Ribeiro
person.identifierhttps://scholar.google.com/citations?user=v5HvNAMAAAAJ&hl=pt-PT
person.identifierhttps://scholar.google.com/citations?user=Y4c21oQAAAAJ
person.identifier.ciencia-id9F1A-EFAF-81E5
person.identifier.ciencia-id211B-A055-4013
person.identifier.orcid0000-0002-1344-6517
person.identifier.orcid0000-0001-8374-3384
person.identifier.scopus-author-id36187146500
person.identifier.scopus-author-id8058098800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.cv.cienciaid9F1A-EFAF-81E5 | Henrique Joaquim de Oliveira Pinho
rcaap.rightsopenAccessen_US
rcaap.typearticleen_US
relation.isAuthorOfPublication4e08b1d3-3f19-46b8-a888-f660ff7dc6a9
relation.isAuthorOfPublication97d5b517-ed67-40e3-8f23-317c8dcb34aa
relation.isAuthorOfPublication.latestForDiscovery4e08b1d3-3f19-46b8-a888-f660ff7dc6a9
relation.isProjectOfPublication91a1f43f-7ed3-4791-8ded-837ad57c2f14
relation.isProjectOfPublication.latestForDiscovery91a1f43f-7ed3-4791-8ded-837ad57c2f14

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