An alternative process for butanol production: Continuous flash fermentation

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dc.contributor.authorMariano, Adriano Pinto
dc.contributor.authorDe Angelis, Dejanira de Franceschi [UNESP]
dc.contributor.authorMaugeri Filho, Francisco
dc.contributor.authorAtala, Daniel Ibraim Pires
dc.contributor.authorWolf MacIel, Maria Regina
dc.contributor.authorMacIel Filho, Rubens
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCenter of Sugar Cane Technology (CTC)
dc.date.accessioned2014-05-27T11:22:48Z
dc.date.available2014-05-27T11:22:48Z
dc.date.issued2008-02-04
dc.description.abstractThe objective of this work is to introduce and demonstrate the technical feasibility of the continuous flash fermentation for the production of butanol. The evaluation was carried out through mathematical modeling and computer simulation which is a good approach in such a process development stage. The process consists of three interconnected units, as follows: the fermentor, the cell retention system (tangential microfiltration) and the vacuum flash vessel (responsible for the continuous recovery of butanol from the broth). The efficiency of this process was experimentally validated for the ethanol fermentation, whose main results are also shown. With the proposed design the concentration of butanol in the fermentor was lowered from 11.3 to 7.8 g/l, which represented a significant reduction in the inhibitory effect. As a result, the final concentration of butanol was 28.2 g/l for a broth with 140 g/l of glucose. Solvents productivity and yield were, respectively, 11.7 g/l.h and 33.5 % for a sugar conversion of 95.6 %. Positive aspects about the flash fermentation process are the solvents productivity, the use of concentrated sugar solution and the final butanol concentration. The last two features can be responsible for a meaningful reduction in the distillation costs and result in environmental benefits due to lower quantities of wastewater generated by the process. © 2008 Berkeley Electronic Press. All rights reserved.en
dc.description.affiliationSchool of Chemical Engineering University of Campinas (UNICAMP)
dc.description.affiliationDepartment of Biochemistry and Microbiology São Paulo State University (UNESP)
dc.description.affiliationSchool of Food Engineering University of Campinas (UNICAMP)
dc.description.affiliationCenter of Sugar Cane Technology (CTC), Piracicaba
dc.description.affiliationUnespDepartment of Biochemistry and Microbiology São Paulo State University (UNESP)
dc.identifierhttp://dx.doi.org/10.2202/1934-2659.1226
dc.identifier.citationChemical Product and Process Modeling, v. 3, n. 1, 2008.
dc.identifier.doi10.2202/1934-2659.1226
dc.identifier.issn1934-2659
dc.identifier.scopus2-s2.0-67651041114
dc.identifier.urihttp://hdl.handle.net/11449/70305
dc.language.isoeng
dc.relation.ispartofChemical Product and Process Modeling
dc.relation.ispartofsjr0,295
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectbutanol
dc.subjectflash fermentation
dc.subjectmathematical modeling
dc.subjectsimulation
dc.subjectAlternative process
dc.subjectCell retention systems
dc.subjectEnvironmental benefits
dc.subjectEthanol fermentation
dc.subjectFermentation process
dc.subjectFermentors
dc.subjectInhibitory effect
dc.subjectMathematical modeling
dc.subjectProcess development
dc.subjectSugar conversion
dc.subjectSugar solutions
dc.subjectTechnical feasibility
dc.subjectAcoustic devices
dc.subjectComputer simulation
dc.subjectDistillation
dc.subjectEthanol
dc.subjectFermentation
dc.subjectFermenters
dc.subjectGlucose
dc.subjectMicrofiltration
dc.subjectProductivity
dc.subjectWastewater
dc.subjectAlcohols
dc.titleAn alternative process for butanol production: Continuous flash fermentationen
dc.typeArtigo
dcterms.licensehttp://www.degruyter.com/dg/page/576/repository-policy
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Rio Claropt

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