|
Pretreatment severity
|
Cellulose
|
Lignin
|
Removal of lignina
|
Hemicellulose
|
Removal of hemicellulosea
|
|---|
|
Soluble acid
|
Insoluble acid
|
Total
|
|---|
|
Control
|
33.28 ± 0.71
|
1.48 ± 0.04
|
15.09 ± 0.18
|
16.57
|
–
|
30.15 ± 0.71
|
–
|
|
S = 3.6
|
60.21 ± 0.87
|
1.00 ± 0.14
|
13.59 ± 0.08
|
14.59
|
52.35
|
1.31 ± 0.00
|
97.66
|
|
S = 3.9
|
59.72 ± 0.43
|
0.86 ± 0.03
|
13.91 ± 1.25
|
14.77
|
52.54
|
0.78 ± 0.04
|
98.62
|
|
S = 4.2
|
58.52 ± 0.34
|
0.67 ± 0.03
|
14.95 ± 0.69
|
15.62
|
50.24
|
1.6 ± 0.12
|
97.87
|
- Contents of all components were based on oven dry weight of the measured substrate
-
aRemoval of lignin (or hemicelluloses) = (the content of lignin or hemicellulose in pretreated corn stover × solid yield (%))/the content of lignin or hemicellulose in untreated corn stover
