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Continuous simultaneous saccharification and fermentation of starch using Zymomonas mobilis
Author(s) -
Lee J. H.,
Pagan R. J.,
Rogers P. L.
Publication year - 1983
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.260250304
Subject(s) - zymomonas mobilis , hydrolysis , fermentation , chemistry , starch , ethanol , food science , amylase , ethanol fuel , ethanol fermentation , pulp and paper industry , chromatography , biochemistry , enzyme , engineering
A continuous process involving simultaneous saccharification and fermentation of liquefied starch has been developed using Zymomonas mobilis . Amyloglucosidase retention and cell recycle have been effected by using an Amicon hollow‐fiber membrane system with a MW cutoff of 5000. Relatively high productivities of up to 60 g L −1 h −1 have been achieved at ethanol concentrations of 60–65 g/L. The system also offers the potential for reduced enzyme requirements for saccharification.
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