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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/116305
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dc.contributor.authorMontagnolli, Renato Nallin-
dc.contributor.authorMatos Lopes, Paulo Renato-
dc.contributor.authorBidoia, Ederio Dino-
dc.date.accessioned2015-03-18T15:53:02Z-
dc.date.accessioned2016-10-25T20:24:29Z-
dc.date.available2015-03-18T15:53:02Z-
dc.date.available2016-10-25T20:24:29Z-
dc.date.issued2015-01-01-
dc.identifierhttp://dx.doi.org/10.1007/s10661-014-4116-8-
dc.identifier.citationEnvironmental Monitoring And Assessment. Dordrecht: Springer, v. 187, n. 1, 17 p., 2015.-
dc.identifier.issn0167-6369-
dc.identifier.urihttp://hdl.handle.net/11449/116305-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/116305-
dc.description.abstractMicrobial pollutant removal capabilities can be determined and exploited to accomplish bioremediation of hydrocarbon-polluted environments. Thus, increasing knowledge on environmental behavior of different petroleum products can lead to better bioremediation strategies. Biodegradation can be enhanced by adding biosurfactants to hydrocarbon-degrading microorganism consortia. This work aimed to improve petroleum products biodegradation by using a biosurfactant produced by Bacillus subtilis. The produced biosurfactant was added to biodegradation assays containing crude oil, diesel, and kerosene. Biodegradation was monitored by a respirometric technique capable of evaluating CO2 production in an aerobic simulated wastewater environment. The biosurfactant yielded optimal surface tension reduction (30.9 mN m(-1)) and emulsification results (46.90 % with kerosene). Biodegradation successfully occurred and different profiles were observed for each substance. Precise mathematical modeling of biosurfactant effects on petroleum degradation profile was designed, hence allowing long-term kinetics prediction. Assays containing biosurfactant yielded a higher overall CO2 output. Higher emulsification and an enhanced CO2 production dataset on assays containing biosurfactants was observed, especially in crude oil and kerosene.en
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipFundação para o Desenvolvimento da UNESP (FUNDUNESP)-
dc.description.sponsorshipPRH-ANP/MCT (Programa de Formacao de Recursos Humanos em Geologia do Petroleo e Ciencias Ambientais Aplicadas ao Setor de Petroleo e Gas)-
dc.description.sponsorshipUNESP (Universidade Estadual Paulista "Julio de Mesquita Filho")-
dc.format.extent17-
dc.language.isoeng-
dc.publisherSpringer-
dc.sourceWeb of Science-
dc.subjectBioremediationen
dc.subjectRespirometryen
dc.subjectKineticsen
dc.subjectHydrocarbonen
dc.titleAssessing Bacillus subtilis biosurfactant effects on the biodegradation of petroleum productsen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP Univ Estadual Paulista, Inst Biociencias, Dept Bioquim & Microbiol, BR-13506900 Rio Claro, SP, Brazil-
dc.description.affiliationUnespUNESP Univ Estadual Paulista, Inst Biociencias, Dept Bioquim & Microbiol, BR-13506900 Rio Claro, SP, Brazil-
dc.identifier.doi10.1007/s10661-014-4116-8-
dc.identifier.wosWOS:000345368800038-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofEnvironmental Monitoring And Assessment-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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