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Table 1 Compositional analysis of Douglas-fir Woodchips and forestry residues

From: Comparison of sugar content for ionic liquid pretreated Douglas-fir woodchips and forestry residues

Feedstock

Treatment (particle size)

Solid recovery, %

Glucan, %

Mannan, %

Xylan, %

Galactan, %

Arabinan, %

Lignin, %

Woodchips

Untreated

------

40.0 ± 0.5

14.3 ± 1.8

2.2 ± 0.1

3.2 ± 0.5

2.2 ± 0.6

24.6 ± 1.2

120 (2 mm)

70 ± 2.3

48.8 ± 2.7

12.5 ± 2.3

1.7 ± 1.0

2.6 ± 0.3

0.7 ± 0.1

21.6 ± 2.8

 

120 (un-milled)

80 ± 2.9

45.9 ± 3.4

13.6 ± 0.4

1.7 ± 0.6

3.1 ± 0.6

0.6 ± 0.4

26.6 ± 3.4

 

160 (2 mm)

67 ± 3.6

52.8 ± 2.9

6.0 ± 2.7

1.0 ± 0.2

2.8 ± 0.3

0.5 ± 0.1

19.7 ± 1.3

 

160 (un-milled)

70 ± 2.3

50.8 ± 1.9

8.0 ± 1.5

1.2 ± 0.2

2.6 ± 0.3

0.3 ± 0.2

28.5 ± 0.5

Forestry residues

Untreated

-

35.4 ± 5.9

10.1 ± 2.2

2.5 ± 0.9

3.5 ± 0.4

0.5 ± 0.1

26.8 ± 1.3

120 (2 mm)

68 ± 2.8

37.0 ± 3.4

6.3 ± 0.4

2.9 ± 1.1

3.9 ± 0.2

0.6 ± 0.2

30.7 ± 3.1

 

120 (un-milled)

77 ± 4.0

36.5 ± 1.7

5.1 ± 0.4

1.9 ± 1.2

3.7 ± 0.7

0.4 ± 0.2

28.4 ± 1.0

 

160 (2 mm)

58 ± 2.7

38.3 ± 3.5

4.4 ± 0.8

1.5 ± 0.4

2.9 ± 0.2

0.1 ± 0.2

32.8 ± 1.0

 

160 (un-milled)

65 ± 3.4

44.9 ± 2.9

3.7 ± 0.6

1.6 ± 0.2

3.0 ± 0.3

0.1 ± 0.2

30.6 ± 0.1