Chemical Engineering for Bioenergy Plants - Bioenergy Crop Plants - page 157

taBle 8.9
ethanol Production from lignocellulosic materials

yield (g ethanol/
g substrate) microorganism substrate Fermentation type Process configuration reference

Saccharomyces cerevisiae
Y-1528

Softwood-derived water- soluble
fraction

Batch 0.47 Fermentation only Keating et al. 2004

Saccharomyces cerevisiae
Tembec T1

Softwood-derived water- soluble
fraction

Batch 0.44 Fermentation only Keating et al. 2004

Candida shehatae
NCL-3501

Xylose in the range of concentrations
from 10 to 80 g/L

Batch 0.40-0.43 Fermentation only Abbi et al. 1996

Escherichia coli FBR5 Sugars from wheat straw by lime

pretreatment and enzyme hydrolysis

Batch 0.26 Simultaneous enzymatic

hydrolysis and fermentation

Badal and Cotta 2007a

Escherichia coli Alkaline peroxide pretreated rice hulls Batch 0.49

0.48

SHF
SSF

Badal and Cotta 2007b

Saccharomyces cerevisiae
and Candida shehatae

Mixture of glucose at a concentration of
35 g/L and xylose at a concentration
of 15 g/L

Continuous with
immobilized
microorganisms

0.48 Fermentation only Lebeau et al. 1998

Recombinant xylose and
cellooligosaccharides-
assimilating yeast strain a

Sulfuric acid hydrolysate of
lignocellulosic biomass with a
concentration of total sugars of 73 g/L

Batch 0.41 Fermentation only Katahira et al. 2006

Zymomonas mobilis Corn stover Batch 0.30 Co-current dilute acid

prehydrolysis and enzymatic
hydrolysis

Aden et al. 2002

a Saccharomyces strain with expression of xylose reductase and xylitol dehydrogenase from Pichia stipitis , xylulokinase from Saccharomyces cerevisiae , and β-glucosidase from Aspergillus
acleatus .