Skip to main content

Table 2 Chemical composition of untreated and ethanol organosolv-pretreated loblolly pine

From: Effect of residual extractable lignin on acetone–butanol–ethanol production in SHF and SSF processes

 

Untreated (%)

Organosolv treated

OPLP-UW (%)

OPLP-W (%)

Glucan

42.30 ± 0.38

72.74 ± 0.20

82.14 ± 0.03

Xylan

7.51 ± 0.05

2.17 ± 0.01

1.69 ± 0.08

Galactan

2.96 ± 0.05

0.36 ± 0.03

0.40 ± 0.02

Arabinan

1.78 ± 0.03

0.63 ± .02

0.69 ± 0.05

Mannan

11.17 ± 0.08

1.36 ± 0.00

0.99 ± 0.02

Ethanol extractives

1.18 ± 0.05

9.64 ± 0.12

0.79 ± 0.04

Acid insoluble lignin (AIL)

29.45 ± 0.27

12.11 ± 0.15

13.52 ± 0.10

Acid-soluble lignin (ASL)

0.56 ± 0.05

0.28 ± 0.00

0.35 ± 0.01

Ash

0.36 ± 0.02

0.03 ± 0.00

0.04 ± 0.00

Total

97.27

99.31

100.61