Recovery and concentration of ortho-phenylphenol from biodesulfurization of 4-methyl dibenzothiophene by aqueous two-phase flotation

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dc.contributor.authorSouza, Domingos Fabiano de Santana
dc.contributor.authorPadilha, Carlos Eduardo de Araújo
dc.contributor.authorDantas, Paulo Victor Fortunato
dc.contributor.authorSousa Júnior, Francisco Canindé
dc.contributor.authorOliveira Júnior, Sérgio Dantas
dc.contributor.authorNogueira, Cleitiane da Costa
dc.contributor.authorOliveira, Jackson Araújo de
dc.contributor.authorMacedo, Gorete Ribeiro de
dc.contributor.authorSantos, Everaldo Silvino dos
dc.date.accessioned2021-12-06T18:09:55Z
dc.date.available2021-12-06T18:09:55Z
dc.date.issued2017-04
dc.description.resumoIn this study we focus on recovery and concentration of ortho-phenylphenol (OPP) from fermentation broth by aqueous two-phase flotation (ATPF). The effects of pH, ammonium sulfate concentration, OPP concentration, air flow-rate, flotation time and initial volume of organic phase were evaluated on process performance using multivariate statistical methodology. Under optimal conditions, the separation efficiency (E%), the concentration coefficient (a) and the distribution coefficient (D) for ATPF reached 57.55%, 4.23 and 9.86, respectively. When compared to others conventional techniques also used in this work, such as aqueous two-phase extraction, solvent sublation and liquid-liquid extraction, the ATPF showed better performance in terms of E%, a and D. Additionally, experiments carried out with fermentation broth derived from the biodesulfurization of 4-MDBT have shown promise in the recovery and concentration of OPP. In summary, the results indicated that the ATPF is an effective separation technique in the pretreatment of the OPP from bona fide mixturespt_BR
dc.identifier.citationPADILHA, Carlos Eduardo de Araújo; DANTAS, Paulo Victor Fortunato; SOUSA JÚNIOR, Francisco Canindé; OLIVEIRA JÚNIOR, Sérgio Dantas; NOGUEIRA, Cleitiane da Costa; SOUZA, Domingos Fabiano de Santana; OLIVEIRA, Jackson Araújo de; MACEDO, Gorete Ribeiro de; SANTOS, Everaldo Silvino dos. Recovery and concentration of ortho-phenylphenol from biodesulfurization of 4-methyl dibenzothiophene by aqueous two-phase flotation. Separation And Purification Technology, [S.L.], v. 176, p. 306-312, abr. 2017. Elsevier BV. http://dx.doi.org/10.1016/j.seppur.2016.12.029. Disponível em <https://www.sciencedirect.com/science/article/abs/pii/S1383586616318202?via%3Dihub> Acesso em 05 nov. 2021.pt_BR
dc.identifier.doi10.1016/j.seppur.2016.12.029
dc.identifier.issn1383-5866
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/45190
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.subjectAqueous two-phase flotationpt_BR
dc.subjectRecoverypt_BR
dc.subjectOrtho-phenylphenolpt_BR
dc.subjectDibenzothiophenept_BR
dc.subjectExperimental designpt_BR
dc.titleRecovery and concentration of ortho-phenylphenol from biodesulfurization of 4-methyl dibenzothiophene by aqueous two-phase flotationpt_BR
dc.typearticlept_BR

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