Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/4700

TitleModel identification and diffusion coefficients determination of glucose and malic acid in calcium alginate membranes
Author(s)Teixeira, J. A.
Mota, M.
Venâncio, Armando
Issue date1994
PublisherElsevier
JournalChemical Engineering Journal
Citation"Chemical Engineering Journal". ISSN 1385-8947. 56:1 (1994) B9-B14.
Abstract(s)Cell-free and cell-occupied calcium alginate membranes were placed in a plate diffusion cell. The measurements of the diffusion coefficients for glucose and malic acid were performed for each isolated solute, for cocurrent diffusion and with simultaneous CO2 evolution. The results indicate that neither CO2 release nor solute concentration or cocurrent diffusion affect the diffusion coefficients of either solute. The presence of cells is the main factor responsible for the decrease in solute transport across alginate membranes. The mass transfer mechanism in cell-occupied membranes is better characterized by the random pore model.
TypeArticle
URIhttp://hdl.handle.net/1822/4700
DOI10.1016/0923-0467(94)87026-8
ISSN1385-8947
Publisher versionhttp://www.elsevier.com/wps/find/journaldescription.cws_home/601273/description#description
Peer-Reviewedyes
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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