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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 3 Constituents and amount of VOCs released during each period of high-temperature drying (plantation P. sylvestris)

From: Study of VOCs release during drying of plantation-grown Pinus sylvestris and naturally grown Russian Pinus sylvestris

VOCs and MC

Concentration of VOCs (mg/m3 of exhaust gas)

Total (mg/m3 of wood)

0–3 h

3–6 h

6–9 h

9–12 h

12–15 h

15–21 h

Formaldehyde

0.14

0.70

0.44

0.26

0.12

0.69

1.63

Acetaldehyde

1.77

1.52

1.11

0.53

0.34

0.16

3.77

n-Propanal

17.73

18.05

15.75

6.72

23.33

16.35

68.00

n-Butyraldehyde

1.95

2.27

1.83

1.13

0.53

0.15

5.46

n-Hexanal

78.53

208.36

71.97

21.69

2.86

1.21

267.10

Acraldehyde

0.35

0.45

0.38

0.21

0.73

1.02

2.18

Iso-valeraldehyde

0.34

0.39

0.32

0.20

0.47

0.55

1.57

n-Valeraldehyde

22.87

25.35

11.35

5.90

1.61

1.02

47.30

Benzaldehyde

0.39

9.75

3.56

11.09

3.43

1.18

20.42

α-Pinene

84.93

189.11

151.31

104.06

250.32

118.58

623.83

Camphene

1.64

7.86

5.44

3.07

18.90

6.36

30.04

Myrcene

0.31

60.40

39.15

19.46

4.69

1.29

87.01

β-Pinene

0.37

72.69

46.01

22.62

5.53

6.42

106.68

α-Phellandrene

1.18

2.67

1.24

0.63

0.42

0.13

4.35

Limonene

0.26

16.60

14.11

9.99

3.69

8.10

36.63

r-Oilene

0.03

2.54

1.65

1.03

0.47

0.18

4.10

1-Heptene

3.23

1.97

1.51

1.33

0.66

0.96

6.71

n-Heptane

0.56

0.68

0.55

0.34

0.67

0.83

2.52

2,4-Dimethyl hexane

6.27

7.68

3.55

1.85

0.45

0.27

13.94

Benzene

12.12

20.04

27.37

18.88

17.71

26.26

84.99

Propylbenzene

0.25

2.28

1.301

0.83

2.54

0.67

5.46

Average MC  %

62.58

49.36

33.52

20.98

11.06

5.18

 
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