Table 2. Chemical compounds in wood vinegar made from a mixture of shells and fiber

No Retention time (minute) Wood vinegar compounds Peak area (%)
1 2.288 Cyclohexylethylamine 0.67
2 2.542 1,2-Ethanediol 10.18
3 3.079 Formic acid 3.03
4 3.547 2-Propanone 1.63
5 3.875 Methyl ester 1.18
6 5.554 2,3-Butanedione 0.56
7 5.787 2-Butanone 0.27
8 7.740 Acetic acid 32.54
9 7.977 Ethanoic 13.94
10 9.434 Hydroxyacetone 1.64
11 11.394 3-Hydroxy-2-butanone 0.16
12 11.753 Propanoic acid 1.06
13 11.942 2-Propenoic acid 0.39
14 14.186 Propanoic acid 0.30
15 14.670 Cyclopentanone 0.44
16 15.954 Butanoic acid 0.47
17 17.271 2-Furancarboxaldehyde 10.14
18 18.819 2-Furanmethanol 0.59
19 19.189 1,2-Ethanediol etylene glycol 0.43
20 20.528 2-Cyclopenten-1-one, 2-methyl 0.56
21 20.938 Ethanone 0.42
22 23.342 Butyrolactone 0.43
23 23.525 Propanoic acid 0.75
24 23.769 5-Methyl 0.90
25 24.428 3-Metyl-2-cyclopenten-1-one 0.35
26 25.143 Butanoic acid 0.33
27 26.880 Benzenesulfonic acid 6.96
28 29.375 2-Methoxy phenol 2.54
29 10.508 4-Methyl phenol 1.17
30 30.842 2-Cyclopenten-1-one 0.37
31 31.058 6-Octenal 0.48
32 31.980 Pentanal 0.53
33 33.703 Phenol 1.25
34 35.337 Geraniol 0.38
35 36.441 2-Methyl-3-heptanol 0.30
36 37.083 2-Methoxy-4-methylphenol 0.46
37 37.918 Hydrazine 0.17
38 38.126 1,2-Benzenediol 0.53
39 40.272 2,6-Dimethoxyphenol 1.09
40 44.151 1,2,4-Trimethoxybenzene 0.42