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Equilibrium studies of the adsorption of fructo-oligosaccharides from a pure mixture and a fermentative broth on a dowex monosphere calcium resin

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dc.contributor.authorNobre, Clarisse
dc.contributor.authorVaňková, K.
dc.contributor.authorPeres, António M.
dc.contributor.authorPolakovič, M.
dc.contributor.authorTeixeira, José
dc.contributor.authorRodrigues, Lígia R.
dc.date.accessioned2012-07-11T09:15:49Z
dc.date.available2012-07-11T09:15:49Z
dc.date.issued2010
dc.description.abstractFructo-oligosaccharides (FOS) namely, kestose, nystose and fructofuranosylnystose, are prebiotics that can be obtained by fermentation. The resulting fermentative broth is a complex mixture consisting also of salts and other sugars that must be removed. Adsorption equilibrium studies were conducted using the static method in batch mode onto Dowex Monosphere calcium resin, at 60ºC, for FOS contained in a fermentative broth and pure mixtures. Experimental isotherms data were analyzed using linear, Langmuir/anti-Langmuir, Freundlich, Redlich & Peterson, and Toth models. Isotherm parameters were determined using linear and nonlinear correlations for the minimization of several error functions. The nonlinear correlations were found to provide the best isotherm parameters for the models. FOS contained in a fermentative broth were well fitted with anti-Langmuir isotherms, while FOS in pure mixtures were better fitted with Toth, Langmuir and Redlich & Peterson isotherms. A detailed error analysis was carried out to investigate the effect of using different error criteria for the determination of the isotherm parameters.por
dc.identifier.citationNobre, Clarisse; Vaňkováb, K.; Peres, António M.; Polakovič, M.; Teixeira, José A.; Rodrigues, Lígia R. (2010). Equilibrium studies of the adsorption of fructo-oligosaccharides from a pure mixture and a fermentative broth on a dowex monosphere calcium resin. In SPICA 2010 - 13th International Symposium on Preparative and Industrial Chromatography and Allied Techniques. Estocolmo. p. 153por
dc.identifier.urihttp://hdl.handle.net/10198/7177
dc.language.isoengpor
dc.peerreviewedyespor
dc.titleEquilibrium studies of the adsorption of fructo-oligosaccharides from a pure mixture and a fermentative broth on a dowex monosphere calcium resinpor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceSeptember 12t h - 15 th , 2010 Stockholm, Swedenpor
oaire.citation.endPage157por
oaire.citation.startPage157por
oaire.citation.title13th International Symposium on Preparative and Industrial Chromatography and Allied Techniquespor
person.familyNamePeres
person.givenNameAntónio M.
person.identifier107333
person.identifier.ciencia-idCF16-5443-F420
person.identifier.orcid0000-0001-6595-9165
person.identifier.ridI-8470-2012
person.identifier.scopus-author-id7102331969
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublication7d93be47-8dc4-4413-9304-5b978773d3bb
relation.isAuthorOfPublication.latestForDiscovery7d93be47-8dc4-4413-9304-5b978773d3bb

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