Document Detail

Continuous production of ethanol using yeast cells immobilized in preformed cellulose beads.
MedLine Citation:
PMID:  8987641     Owner:  NLM     Status:  MEDLINE    
Saccharomyces cerevisiae cells were immobilized on preformed cellulose beads by adsorption. The fermentation capacity of the immobilized yeast cells was found to be practically independent of the hydrogen ion concentration between pH 3.1 and 6.25. The fermentation capacity was maximal at 30 degrees C. The immobilized yeast cells were used for continuous production of ethanol in a fluidized-bead reactor. The average values characteristic for the process were an ethanol concentration of 41.9 +/- 0.1 g1(-1), a fermentation efficiency of 82.9 +/- 2.1% and a volumetric productivity of 3.94 +/- 0.52 g1(-1) h-1.
B Szajáni; Z Buzás; K Dallmann; I Gimesi; J Krisch; M Tóth
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied microbiology and biotechnology     Volume:  46     ISSN:  0175-7598     ISO Abbreviation:  Appl. Microbiol. Biotechnol.     Publication Date:  1996 Sep 
Date Detail:
Created Date:  1997-02-04     Completed Date:  1997-02-04     Revised Date:  2000-12-18    
Medline Journal Info:
Nlm Unique ID:  8406612     Medline TA:  Appl Microbiol Biotechnol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  122-5     Citation Subset:  B    
Department of Biochemistry, Attila József University, Szeged, Hungary.
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MeSH Terms
Ethanol / chemistry,  metabolism*
Hydrogen-Ion Concentration
Microscopy, Electron, Scanning
Saccharomyces cerevisiae / metabolism*
Reg. No./Substance:
64-17-5/Ethanol; 9004-34-6/Cellulose

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