Table 7 Chemical composition of the water insoluble component after the steam pretreatment at 200°C, 5 minutes 4% SO ₂ (% dry weight of water insoluble solids)

BKLPP*

0.3 (0.0)**

0.4 (0.1)

51.7 (1.0)

1.0 (0.1)

1.7 (0.2)

39.8 (0.5)

0.3 (0.1)

95.2 (0.8)

IFS

0.4 (0.0)

0.7 (0.0)

45.2 (0.3)

2.3 (0.0)

2.3 (0.1)

39.8 (1.8)

0.5 (0.7)

93.9 (0.3)

LR

0.3 (0.0)

0.7 (0.0)

42.0 (0.5)

1.2 (0.0)

1.8 (0.0)

45.4 (1.4)

0.6 (0.2)

95.4 (0.5)

HOG I

0.3 (0.0)

0.6 (0.1)

31.1 (0.9)

1.9 (0.1)

2.1 (0.1)

50.9 (1.1)

5.0 (0.0)

100.1 (0.9)

HOG II

0.1 (0.0)

0.4 (0.0)

42.7 (0.5)

1.7 (0.1)

2.6 (0.1)

42.5 (1.3)

1.5 (0.1)

99.7 (0.5)

BARK

2.6 (0.2)

1.4 (0.1)

22.4 (0.8)

1.4 (0.1)

0.9 (0.1)

58.5 (1.6)

1.9 (0.4)

89.1 (0.1)