A kinetic model and simulation of starch saccharification and simultaneous ethanol fermentation by amyloglucosidase and Zymomonas mobilis
Lee, C. -G.; Kim, C. H.; Rhee, S. K.
1992-07
Citation
Lee, C. -G.; Kim, C. H.; Rhee, S. K.; (1992). "A kinetic model and simulation of starch saccharification and simultaneous ethanol fermentation by amyloglucosidase and Zymomonas mobilis." Bioprocess Engineering 7(8): 335-341. <http://hdl.handle.net/2027.42/47811>
Abstract
A mathematical model is described for the simultaneous saccharification and ethanol fermentation (SSF) of sago starch using amyloglucosidase (AMG) and Zymomonas mobilis. By introducing the degree of polymerization (DP) of oligosaccharides produced from sago starch treated with α -amylase, a series of Michaelis-Menten equations were obtained. After determining kinetic parameters from the results of simple experiments carried out at various substrate and enzyme concentrations and from the subsite mapping theory, this model was adapted to simulate the SSF process. The results of simulation for SSF are in good agreement with experimental results.Publisher
Springer-Verlag
ISSN
0178-515X 1615-7605
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