Continuous potable alcohol production by immobilized Saccharomyces cerevisiae on mineral kissiris
Identifieur interne : 000416 ( Main/Exploration ); précédent : 000415; suivant : 000417Continuous potable alcohol production by immobilized Saccharomyces cerevisiae on mineral kissiris
Auteurs : A. A. Kogtimas [Grèce] ; C. Gourdoupis [Grèce] ; C. Psarianos [Grèce] ; A. Kaliafas [Grèce] ; M. Kanellaki [Grèce]Source :
- Applied Biochemistry and Biotechnology [ 0273-2289 ] ; 1991-08-01.
Descripteurs français
- Wicri :
- topic : Biochimie, Biomasse, Biotechnologie, Production continue, éthanol, Glucose, Pollution de l'eau.
English descriptors
- KwdEn :
- Alcohol production, Biochemistry, Biomass, Biomass productivity, Biotechnology, Cerevisiae, Continuous production, Dilution rate, Dilution rates, Ethanol, Ethanol productivity, Free cells, Glucose, Glucose solutions, Higher ethanol productivity, Immobilization, Kissiris, Koutinas, Liquid volume, Long period, Mineral kissiris, Molasse, Present study, Product stream, Raisin, Raisin extracts, Saccharomyces, Saccharomyces cerevisiae, Support material, Synthetic media, Water pollution.
- Teeft :
- Alcohol production, Biochemistry, Biomass, Biomass productivity, Biotechnology, Cerevisiae, Continuous production, Dilution rate, Dilution rates, Ethanol, Ethanol productivity, Free cells, Glucose, Glucose solutions, Higher ethanol productivity, Immobilization, Kissiris, Koutinas, Liquid volume, Long period, Mineral kissiris, Molasse, Present study, Product stream, Raisin, Raisin extracts, Saccharomyces, Saccharomyces cerevisiae, Support material, Synthetic media, Water pollution.
Abstract
Abstract: A biocatalyst prepared by the immobilization ofSaccharomyces cerevisiae on the surface of the mineral kissiris was used in the present study for continuous potable-alcohol production. An ethanol productivity (calculated on the basis of liquid volume) of 10.5 g/L/h was obtained at a 0.7/h dilution rate, 121 g/L sucrose content, and 29.6% conversion employing molasse as feed material. Glucose, raisin extracts, and molasse were successively used as feed materials without stopping the operation of the reactor for 6 mo. The ethanol productivity and yield remained constant during the operational-stability study of the reactor, carried out for 44 d. Biomass productivity, yield, and free-cell concentration in glucose, raisin extracts, and molasse were examined. Finally, a system with two continuous reactors joined successively was also studied in the present investigation.
Url:
DOI: 10.1007/BF02921687
Affiliations:
Links toward previous steps (curation, corpus...)
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Le document en format XML
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<term>Cerevisiae</term>
<term>Continuous production</term>
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<term>Liquid volume</term>
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<term>Present study</term>
<term>Product stream</term>
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<term>Free cells</term>
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<term>Glucose solutions</term>
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<term>Koutinas</term>
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<front><div type="abstract" xml:lang="en">Abstract: A biocatalyst prepared by the immobilization ofSaccharomyces cerevisiae on the surface of the mineral kissiris was used in the present study for continuous potable-alcohol production. An ethanol productivity (calculated on the basis of liquid volume) of 10.5 g/L/h was obtained at a 0.7/h dilution rate, 121 g/L sucrose content, and 29.6% conversion employing molasse as feed material. Glucose, raisin extracts, and molasse were successively used as feed materials without stopping the operation of the reactor for 6 mo. The ethanol productivity and yield remained constant during the operational-stability study of the reactor, carried out for 44 d. Biomass productivity, yield, and free-cell concentration in glucose, raisin extracts, and molasse were examined. Finally, a system with two continuous reactors joined successively was also studied in the present investigation.</div>
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