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Biocomplementation of SVE to achieve clean-up goals in soils contaminated with toluene and xylene

2013Journal article Open access
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dc.contributor.authorSoares, António Alves
dc.contributor.authorPinho, Maria Teresa
dc.contributor.authorAlbergaria, José Tomás
dc.contributor.authorDomingues, Valentina F.
dc.contributor.authorAlvim-Ferraz, Maria da Conceição M.
dc.contributor.authorDelerue-Matos, Cristina
dc.date.accessioned2014-01-21T15:44:10Z
dc.date.available2014-01-21T15:44:10Z
dc.date.issued2013
dc.description.abstractSoil vapor extraction (SVE) and bioremediation (BR) are two of the most common soil remediation technologies. Their application is widespread; however, both present limitations, namely related to the efficiencies of SVE on organic soils and to the remediation times of some BR processes. This work aimed to study the combination of these two technologies in order to verify the achievement of the legal clean-up goals in soil remediation projects involving seven different simulated soils separately contaminated with toluene and xylene. The remediations consisted of the application of SVE followed by biostimulation. The results show that the combination of these two technologies is effective and manages to achieve the clean-up goals imposed by the Spanish Legislation. Under the experimental conditions used in this work, SVE is sufficient for the remediation of soils, contaminated separately with toluene and xylene, with organic matter contents (OMC) below 4 %. In soils with higher OMC, the use of BR, as a complementary technology, and when the concentration of contaminant in the gas phase of the soil reaches values near 1 mg/L, allows the achievement of the clean-up goals. The OMC was a key parameter because it hindered SVE due to adsorption phenomena but enhanced the BR process because it acted as a microorganism and nutrient source.por
dc.identifier.doi10.1007/s10661-013-3184-5pt_PT
dc.identifier.issn0167-6369
dc.identifier.issn1573-2959
dc.identifier.urihttp://hdl.handle.net/10400.22/3402
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSpringerpor
dc.relation.ispartofseriesEnvironmental Monitoring and Assessment; Vol. 185, Issue 10
dc.relation.publisherversionhttp://link.springer.com/article/10.1007%2Fs10661-013-3184-5por
dc.subjectToluenepor
dc.subjectXylenepor
dc.subjectSoil vapor extractionpor
dc.subjectBioremediationpor
dc.subjectOrganic matterpor
dc.subjectWater contentpor
dc.subjectRemediation timepor
dc.titleBiocomplementation of SVE to achieve clean-up goals in soils contaminated with toluene and xylenepor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage8438por
oaire.citation.issueIssue 10por
oaire.citation.startPage8429por
oaire.citation.titleEnvironmental Monitoring and Assessmentpor
oaire.citation.volumeVol. 185por
person.familyNameDomingues
person.familyNameAlvim-Ferraz
person.familyNameDelerue-Matos
person.givenNameValentina Maria Fernandes
person.givenNameMaria da Conceição
person.givenNameCristina
person.identifier.ciencia-id4E16-791D-6664
person.identifier.ciencia-id621C-0AAB-ABF9
person.identifier.ciencia-id9A1A-43FB-5C27
person.identifier.orcid0000-0003-3472-849X
person.identifier.orcid0000-0001-8212-8718
person.identifier.orcid0000-0002-3924-776X
person.identifier.ridP-9868-2017
person.identifier.ridD-4990-2013
person.identifier.scopus-author-id6603921357
person.identifier.scopus-author-id6603741848
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationbe653ab6-34ec-4329-972a-eee990a7ec66
relation.isAuthorOfPublicationa9196bc3-6bc6-4270-8407-39356ba909b0
relation.isAuthorOfPublication09f6a7bd-2f15-42b0-adc5-04bd22210519
relation.isAuthorOfPublication.latestForDiscoverya9196bc3-6bc6-4270-8407-39356ba909b0

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