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Combining urban wastewater treatment with biohydrogen production: An integrated microalgae-based approach

2015Journal article Open access
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dc.contributor.authorBatista, Ana Paula
dc.contributor.authorAmbrosano, Lucas
dc.contributor.authorGraça, Sofia
dc.contributor.authorSousa, Catarina
dc.contributor.authorMarques, Paula
dc.contributor.authorRibeiro, Belina
dc.contributor.authorBotrel, Elberis P.
dc.contributor.authorNeto, Pedro Castro
dc.contributor.authorGouveia, Luisa
dc.date.accessioned2015-01-28T15:43:56Z
dc.date.available2015-01-28T15:43:56Z
dc.date.issued2015
dc.description.abstractThe aim of the present work was the simultaneous treatment of urban wastewater using microalgae and the energetic valorization of the obtained biomass. Chlorella vulgaris (Cv), Scenedesmus obliquus (Sc) and a naturally occurring algal Consortium C (ConsC) were grown in an urban wastewater. The nutrient removals were quite high and the treated water fits the legislation (PT Dec-Lei 236/98) in what concerns the parameters analysed (N, P, COD). After nutrient depletion the microalgae remained two more weeks in the photobioreactor (PBR) under nutritional stress conditions, to induce sugar accumulation (22–43%). The stressed biomass was converted into biohydrogen (bioH2), a clean energy carrier, through dark fermentation by a strain of the bacteria Enterobacter aerogenes. The fermentation kinetics were monitored and fitted to a modified Gompertz model. The highest bioH2 production yield was obtained for S. obliquus (56.8 mL H2/gVS) which was very similar when using the same algae grown in synthetic media.por
dc.identifier.citationBatista, A.P.; Ambrosano, L.; Graça, S.; Sousa, C.; Marques, P.A.; Ribeiro, B.; Botrel, E.P.; Neto, P.C.; Gouveia, L. - Combining urban wastewater treatment with biohydrogen production: An integrated microalgae-based approach. In: Bioresource Technology, 2015, Vol. 184, p.230-235por
dc.identifier.issn0960-8524
dc.identifier.urihttp://hdl.handle.net/10400.9/2590
dc.language.isoengpor
dc.publisherElsevierpor
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.biortech.2014.10.064por
dc.subjectMicroalgaepor
dc.subjectWastewater treatmentpor
dc.subjectBiohydrogenpor
dc.subjectDark fermentationpor
dc.titleCombining urban wastewater treatment with biohydrogen production: An integrated microalgae-based approachpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage235por
oaire.citation.startPage230por
oaire.citation.titleBioresource Technologypor
person.familyNameMarques
person.familyNameRibeiro
person.familyNameGouveia
person.givenNamePaula
person.givenNameBelina
person.givenNameLuisa
person.identifierH-4046-2011
person.identifier.ciencia-id6B16-BB35-47F5
person.identifier.ciencia-id581B-924A-84DD
person.identifier.orcid0000-0002-0033-9333
person.identifier.orcid0000-0001-5145-2486
person.identifier.orcid0000-0003-0196-6360
person.identifier.scopus-author-id7004135834
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationd5d8b14d-fe13-41e1-a7d0-ae1816ebe45c
relation.isAuthorOfPublication703b3494-0bb2-4c6d-8dbb-b17af95faddd
relation.isAuthorOfPublication63dcbe08-14df-4886-98b7-2945cbe0e062
relation.isAuthorOfPublication.latestForDiscovery63dcbe08-14df-4886-98b7-2945cbe0e062

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