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Optimization of low sulfur carob pulp liquor as carbon source for fossil fuels biodesulfurization

2013Journal article Open access
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dc.contributor.authorSilva, Tiago
dc.contributor.authorPaixão, Susana M.
dc.contributor.authorTeixeira, A. V.
dc.contributor.authorRoseiro, J. Carlos
dc.contributor.authorAlves, Luís
dc.date.accessioned2013-02-21T15:49:57Z
dc.date.available2013-02-21T15:49:57Z
dc.date.issued2013
dc.description.abstractBackground:Biodesulfurization (BDS) is a complementary technology to hydrodesulfurization since it allows the removal of recalcitrant sulfur compounds present in fossil fuels. The cost of culture medium to produce the biocatalysts is still one limitation for BDS application. Carob pulp, as an alternative carbon source, can reduce this cost. However, the presence of sulfates is critical, since BDS is inhibited at very low concentrations. Thus, the goal of this work was to optimize the process of sulfur precipitation on carob pulp liquor. Result:The effect of BaCl2 concentration (0–0.5%) and exposure time (6–36 h) on sulfate removal from carob pulp liquor was studied according to a statistical design following the Doehlert distribution for two factors. This experimental design determined that 0.5% BaCl2 concentration for 21 h were adequate conditions for sulfate removal from carob pulp liquor using BDS.Conclusion:These results demonstrate that it is possible to use alternative carbon sources derived from agro-industrial wastes for BDS, even those with high sulfur levels. For future industrial application, an inexpensive culture medium would have to be employed in a large-scale process and carob pulp liquor could be the carbon source.por
dc.identifier.citationSilva, Tiago P.; Paixão, Susana M.; Teixeira, Alexandra V.; Roseiro, José C.; Alves, L. Optimization of low sulfur carob pulp liquor as carbon source for fossil fuels biodesulfurization. In: Journal of Chemical Technology and Biotechnology, 2013, Vol. 88, nº5, p. 919-923por
dc.identifier.issn1097-4660
dc.identifier.urihttp://hdl.handle.net/10400.9/1644
dc.language.isoengpor
dc.publisherWileypor
dc.relation.publisherversionhttp://dx.doi.org/10.1002/jctb.3921por
dc.subjectBiodesulfurizationpor
dc.subjectSulfate precipitationpor
dc.subjectGordonia alkanivoranspor
dc.subjectCarob pulppor
dc.subjectExperimental designpor
dc.titleOptimization of low sulfur carob pulp liquor as carbon source for fossil fuels biodesulfurizationpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleJournal of Chemical Technology and Biotechnologypor
person.familyNameSilva
person.familyNamePaixão
person.familyNameRoseiro
person.familyNameAlves
person.givenNameTiago
person.givenNameSusana M.
person.givenNameJosé
person.givenNameLuís
person.identifier.ciencia-idE418-9EE4-9BB4
person.identifier.ciencia-id7918-C133-C5FB
person.identifier.ciencia-idDA18-CA15-76B7
person.identifier.ciencia-id561B-53A5-7359
person.identifier.orcid0000-0003-0120-557X
person.identifier.orcid0000-0003-0955-4467
person.identifier.orcid0000-0003-3119-6416
person.identifier.orcid0000-0001-6245-775X
person.identifier.ridF-5453-2019
person.identifier.scopus-author-id6603112228
person.identifier.scopus-author-id7004090071
person.identifier.scopus-author-id6701310833
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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relation.isAuthorOfPublicatione1aa2856-62bc-46dd-9922-9727b1158981
relation.isAuthorOfPublicationc07d7af9-191c-4bcc-af5f-255b7fb52060
relation.isAuthorOfPublication.latestForDiscoverye1aa2856-62bc-46dd-9922-9727b1158981

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