Table 2 Major compounds of upgraded bio-oil determined by GC-MS (A original table report of upgraded bio-oil components from GC-MS is shown in Table S2).

From: Investigation of the temperature influence on the catalytic hydrogenation upgrading of bio-oil using industrial nickel based catalyst RZ409

No.

Retention time (min)

Chemical compositions

Area (%)

1

4.16

Acetic acid, butyl ester

4.13

2

5.27

Ethylbenzene

40.29

3

5.44

o-Xylene

7.04

4

5.60

Benzene, 1,3-dimethyl-

18.17

5

5.69

1-Butanol

14.30

6

6.33

Benzene, (1-methylethyl)-

0.30

7

6.68

p-Xylene

7.42

8

6.93

Cyclopentanone, 2-methyl-

0.46

9

7.28

Benzene, propyl-

0.50

10

7.60

Butanoic acid, butyl ester

0.63

11

7.76

Benzene, 1-ethyl-3-methyl-

0.50

12

9.64

Cyclopentanone, 2-ethyl-

0.22

13

10.54

Pentanoic acid, butyl ester

0.26

14

13.67

Hexanoic acid, butyl ester

0.25

15

15.08

Acetic acid

0.36

16

15.79

Cyclohexanone, 2-butyl-

0.39

17

15.88

1 H-Inden-1-one, octahydro-7a-hydroxy-

0.21

18

16.13

Cyclopentanone, 2-(1-methylpropyl)-

0.55

19

17.76

Propanoic acid

0.25

20

20.45

Butanoic acid

0.46

21

23.66

Pentanoic acid

0.24

22

25.11

2-Hexanoylfuran

0.21

23

26.66

Hexanoic acid

0.34

24

27.24

Phenol, 2-methoxy-

0.44

25

29.78

Phenol, 2-methoxy-4-methyl-

0.30

26

31.06

Phenol

0.39

27

32.99

Phenol, 3,4-dimethyl-

0.38

28

33.57

Phenol, 2-methoxy-4-propyl-

0.44

29

37.54

Phenol, 2,6-dimethoxy-

0.27

30

38.09

Phenol, 2-(1-methylpropyl)-, methylcarbamate

0.33

Back to article page