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Continuous production of ethanol from fructose by immobilized growing cells of Zymomonas mobilis
Author(s) -
Jain W. K.,
ToranDiaz I.,
Baratti J.
Publication year - 1985
Publication title -
biotechnology and bioengineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.136
H-Index - 189
eISSN - 1097-0290
pISSN - 0006-3592
DOI - 10.1002/bit.260270510
Subject(s) - zymomonas mobilis , fructose , substrate (aquarium) , chemistry , ethanol , ethanol fuel , bioreactor , food science , fermentation , biochemistry , chromatography , organic chemistry , biology , ecology
Immobilized growing cells of Zymomonas mobilis were found to ferment rapidly and efficiently media containing 100 g/L fructose in a continuous reactor. A volumetric ethanol productivity of 94.8 g/L h was achieved at a substrate conversion of 75.5%. With 97% conversion of substrate the productivity was 28.4 g/L h. At fructose concentrations of 150 and 200 g/L substrate and product inhibitions limited the performance of the reactor. Ethanol production was constant over a period of 55 days.
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