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Preliminary results of olive mil wastewater treatment by immobilized microalgae

2015Journal article Open access
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dc.contributor.authorMartins, Bruna da Silva
dc.contributor.authorMonteiro, Diana
dc.contributor.authorFernandes, Conceição
dc.date.accessioned2016-01-06T16:06:47Z
dc.date.available2016-01-06T16:06:47Z
dc.date.issued2015
dc.description.abstractThe olive mill wastewater (OMW) is the principal industry residue extraction of olive oil. Generally is characterized by very high organic load, due to high levels of phenolic compounds and sugars, and have minimum levels of nitrogen compounds and low pH. A variety of biological processes and microorganisms have been tested to treat OMW, including bacteria, yeasts and fungi, where the effectiveness in reducing the toxicity varies greatly. Taking this into account, the aim of this work is to assess the potential of microalgae in the decrease of phenolic compounds in OMW. For this purpose, the effect of immobilized Chlorella vulgaris in OMW biotreatments has been tested in batch cultures. The effectiveness of the process has also been assessed by phytotoxicity, in germination trials of Lactuca sativa. Biotreatments have been performed with OMW dilutions of 35%, 50% and 60%. Results showed that C. vulgaris has the ability to remove phenolic compounds, achieving a final Phenolic Loss Index (PLI) of 73%. Regarding the phytotoxicity after biotreatment we can conclude that microalgae can reduce the toxicity of olive mill wastewaters also having the ability to degrade the phenolic compounds that inhibit the germination and growth of Lactuca sativa. Furthermore, the algae biomass obtained in this process could be valorized in other applications.pt_PT
dc.identifier.citationMartins, Bruna; Monteiro, Diana; Fernandes, Conceição (2015). Preliminary results of olive mil wastewater treatment by immobilized microalgae. Aperito Journal of Cellular and Molecular Biology. ISSN 2470-1114. 1:1 (105), p. 1-7pt_PT
dc.identifier.doi10.14437/AJCMB-1-105pt_PT
dc.identifier.urihttp://hdl.handle.net/10198/12557
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAperito Journal of Cellular and Molecular Biologypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectOlive mill wastewaterspt_PT
dc.subjectBioremediation,pt_PT
dc.subjectChlorella vulgarispt_PT
dc.subjectPhenolic compoundspt_PT
dc.subjectPhytotoxicitypt_PT
dc.subjectLactuca sativapt_PT
dc.titlePreliminary results of olive mil wastewater treatment by immobilized microalgaept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage7pt_PT
oaire.citation.issue1(105):pt_PT
oaire.citation.startPage1pt_PT
person.familyNameFernandes
person.givenNameConceição
person.identifier15483
person.identifier.ciencia-id6514-3D41-4534
person.identifier.orcid0000-0003-2873-501X
person.identifier.scopus-author-id23018336600
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd9c26c54-5e10-4ccb-b7f7-528af9eb9950
relation.isAuthorOfPublication.latestForDiscoveryd9c26c54-5e10-4ccb-b7f7-528af9eb9950

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