Table 5 Comparison of compounds (% area on pyrogram) produced from purified lignin pyrolysis at 650°C

Benzene

0.51

0

0

0

0.47

Acetic acid

6.32

2.47

4.26

2.97

3.26

Toluene

2.74

0.79

0.79

0.43

1.65

Propanoic acid

0.65

0

0

0

0

Xylene

0.45

0.37

0.34

0.16

0.45

Furfural

2.46

0.97

1.11

1

1.36

Phenol

8.23

3.67

1.06

18.41

2.71

2-methoxyphenol

9.93

11.41

11.03

9.64

11.63

2-methylphenol

2.35

1.89

1.4

2.13

2.02

2,6-dimethylphenol

0.15

0.12

0.17

0.21

0.18

4-methylphenol

11.53

8.25

3.7

4.09

6.46

2-methoxy-4-methylphenol

20.51

21.63

21.02

12.82

26.4

4-ethyl-2-methoxyphenol

0

5.5

5.7

3.86

5.16

2-methoxy-4-vinylphenol

6.28

18.39

12.39

19.22

6.93

2,6-dimethoxyphenol

0

0

0

1.56

0

2-methoxy-4-(1-propenyl)-phenol

0

0

0

2.14

0

2-methoxy-4-(2-propenyl)-phenol

0

10.88

14.45

6.46

13.2

Vanillin

0

0

0

0.17

0