Table 7 Quantitative analysis of main compounds in cattle dung bio-oil by GC/MS.

From: Design expert based optimization of the pyrolysis process for the production of cattle dung bio-oil and properties characterization

S. N.	Retention time (min)	Compound	Chemical formula	Chemical group	Concentration (%)
1	4.29	2-Picoline	C₆H₇N	Pyridine derivatives	2.62
2	4.72	2-Cyclopentenone-1	C₅H₆O	Ketone	6.76
3	4.89	2-Methylcyclopentan-1-one	C₆H₁₀O	Ketone	0.56
4	5.04	Di(2-ethylbutyl) ether	C₁₂H₂₆O	Ether	0.21
5	5.14	Hexanoic acid	C₆H₁₂O₂	Acid	0.50
6	5.50	Allyl-butanoate	C₇H₁₂O₂	Ester	0.21
7	5.74	2-Furylmethanol	C₅H₆O₂	Alcohol	7.88
8	5.95	1,2-Ethanediol diacetate	C₆H₁₀O₄	Ester	5.95
9	6.17	2,4-Hexadienal	C₆H₈O	Aldehyde	0.19
10	6.42	2,6-Lutidine	C₇H₉N	Pyridine derivatives	0.39
11	7.22	2-Methyl-2-cyclopenten-1-one	C₆H₈O	Ketone	5.18
12	7.46	2-Acetyl-furan	C₆H₆O₂	Furan	1.28
13	7.60	3-Oxo-1-butenyl 2-methylpropanoate	C₈H₁₂O₃	Ester	0.77
14	7.95	Adipic ketone	C₅H₈O	Ketone	4.83
15	8.34	2-Cyclohexen-1-one	C₆H₈O	Ketone	0.33
16	8.45	2,5-Dimethylpyridine	C₇H₉N	Pyridine	0.34
17	8.95	2,3-Dimethylpyridine	C₇H₉N	Pyridine	0.82
18	9.48	4-Hydroxypentanoic acid lacton	C₅H₈O₂	Furanone	0.38
19	9.93	3-Methyl-2-cyclopentenon	C₆H₈O	Ketone	4.25
20	10.07	2-Oxobutyl acetate	C₆H₁₀O₃	Ester	0.62
21	11.15	4,4-Dimethyl-2-cyclopenten-1-one	C₇H₁₀O	Ketone	0.61
22	11.30	2,3-Dimethylcyclopent-2-en-1-one	C₇H₁₀O	Ketone	0.45
23	11.65	Phenyl alcohol	C₆H₆O	Alcohol	6.55
24	11.84	n-Butyric anhydride	C₈H₁₄O	Anhydride	13.12
25	13.47	Corylon	C₆H₈O₂	Ketone	9.98
26	14.02	(6E)-3,5-Dimethyl-1,6-octadiene	C₁₀H₁₈	Alkene	0.27
27	14.35	1-Oxacyclohexan-2-one	C₅H₈O₂	Ketone	0.31
28	15.14	ortho-Cresol	C₇H₈O	Phenol	1.54
29	15.92	4-Methoxyphenol	C₇H₈O₂	Phenol	5.24
30	17.12	2-Amino-5,6-dihydro-4,4,6-trimethyl-4H-1,3-oxazine	C₇H₁₄N₂O	Oxazine	0.97
31	17.69	2-Hydroxy-3-ethyl-2-cyclopenten-1-one	C₇H₁₀O₂	Ketone	1.54
32	19.28	11-Fluoroundecyl trimethylsilyl ether	C₁₄H₃₁FOSi	Ether	0.38
33	20.74	para-Ethylphenol	C₈H₁₀O	Phenol	1.44
34	23.69	2,3-Dihydro-benzofuran	C₈H₈O	Benzofuran	2.71
35	24.89	4-Ethyl guaiacol	C₉H₁₂O₂	Phenol	0.48
36	25.38	Hex-1-en-3-yl acetate	C₈H₁₄O₂	Ester	0.34
37	26.71	4-Vinyl-guaiacol	C₉H₁₀O₂	Phenol	0.42
38	28.35	2,6-Dimethoxyphenol	C₈H₁₀O₃	Phenol	2.06
39	29.76	5,5-Diethyl-4-methylene-1,2-dioxolan-3-one	C₈H₁₂O₃	Ketone	0.29
40	43.45	Desaspidinol	C₁₁H₁₄O₄	Phenol	0.20
41	45.59	5,10-Diethoxy-2,3,7,8-tetrahydro-1H,6H-dipyrrolo[1,2-a:1ʹ,2ʹ-d]pyrazine	C₁₄H₂₂N₂O₂	Pyrazine	0.21
42	49.42	Phthalic acid, bis(2-ethylhexyl) ester (6CI,8CI)	C₂₄H₃₈O₄	Ester	0.69

Back to article page

Table 7 Quantitative analysis of main compounds in cattle dung bio-oil by GC/MS.

Search

Quick links