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dc.contributor.authorGutiérrez Martínez, Raquel
dc.contributor.authorFerrer Martí, Ivet
dc.contributor.authorGarcía Serrano, Joan
dc.contributor.authorUggetti, Enrica
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.date.accessioned2016-03-31T14:39:17Z
dc.date.available2017-06-06T00:30:15Z
dc.date.issued2015-06-01
dc.identifier.citationGutierrez, R., Ferrer, I., Garcia, J., Uggetti, E. Influence of starch on microalgal biomass recovery, settleability and biogas production. "Bioresource technology", 01 Juny 2015, vol. 185, p. 341-345.
dc.identifier.issn0960-8524
dc.identifier.urihttp://hdl.handle.net/2117/85004
dc.description.abstractIn the context of wastewater treatment with microalgae cultures, coagulation-flocculation followed by sedimentation is one of the suitable options for microalgae harvesting. This process is enabled by the addition of chemicals (e.g. iron). However, in a biorefinery perspective, it is important to avoid possible contamination of downstream products caused by chemicals addition. The aim of this study was to evaluate the effect of potato starch as flocculant for microalgal biomass coagulation-flocculation and sedimentation. The optimal flocculant dose (25 mg/L) was determined with jar tests. Such a concentration led to more than 95% biomass recovery (turbidity < 9NTU). The settleability of flocs was studied using an elutriation apparatus measuring the settling velocities distribution. This test underlined the positive effect of starch on the biomass settling velocity, increasing to >70% the percentage of particles with settling velocities >6.5 m/h. Finally, biochemical methane potential tests showed that starch biodegradation increased the biogas production from harvested biomass. (C) 2015 Elsevier Ltd. All rights reserved.
dc.format.extent5 p.
dc.language.isoeng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Energies::Energia de la biomassa
dc.subject.lcshBiomass energy
dc.subject.otherCoagulant
dc.subject.otherFlocculant
dc.subject.otherHarvesting
dc.subject.otherHigh rate algal pond
dc.subject.otherMicroalgae
dc.subject.otherCATIONIC STARCH
dc.subject.otherFLOCCULATION
dc.subject.otherCHITOSAN
dc.titleInfluence of starch on microalgal biomass recovery, settleability and biogas production
dc.typeArticle
dc.subject.lemacBiomassa
dc.subject.lemacBiogàs
dc.subject.lemacAlgues -- Biotecnologia
dc.contributor.groupUniversitat Politècnica de Catalunya. GEMMA - Grup d'Enginyeria i Microbiologia del Medi Ambient
dc.identifier.doi10.1016/j.biortech.2015.03.003
dc.rights.accessOpen Access
drac.iddocument15643549
dc.description.versionPostprint (published version)
upcommons.citation.authorGutierrez, R., Ferrer, I., Garcia, J., Uggetti, E.
upcommons.citation.publishedtrue
upcommons.citation.publicationNameBioresource technology
upcommons.citation.volume185
upcommons.citation.startingPage341
upcommons.citation.endingPage345
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