(579b) Conversion of Gluconate and Glycerol to Ethnaol Using the Recombinant Klebsiella Oxytoca Strains
AIChE Annual Meeting
2017 Annual Meeting
2017 International Congress on Energy
USA-China Progress in Biomass Conversion Technologies I
Wednesday, November 1, 2017 - 12:52pm to 1:14pm
Gluconate could potentially be directly produced from cellulosic biomass and is an attractive substrate for fuels and chemicals production. While gluconate was used as the substrate for ethanol production, a small fraction of the acetate has to be produced along with ethanol due to the fact that gluocnate was an more oxidized substrate than glucose. This study explore the co-fermentation of gluconate and glycerol, which is a more reduced substrate than glucose and a biodiesel byproduct for balanced ethanol production. Strain engineering strategies were applied to improve the overall ethanol yield by deleting the competing pathways.