Research Article

The Study of Kinetic Properties and Analytical Pyrolysis of Coconut Shells

Table 3

Compounds produced during biomass pyrolysis.

PNCompoundsRT, min673 K773 K873 K973 K1073 K

Pentane
2 Pentane (wt, %)5.3212.102.923.183.973.18
Acids, alcohol, esters, and ethers
6 Acetic acid (wt, %)8.07720.4120.6619.5618.3117.52
8 Propargyl alcohol (wt, %)12.1182.743.11.881.131.18
9 Acetic acid, methyl ester (wt, %)13.0213.924.234.54.184.75
10 Propanoic acid, 2-oxo-methyl ester (wt, %)14.6111.691.961.82
11 Oxirane, methyl-,(S)-(wt, %)14.7321.171.411.5
24 1,3-Dioxolane, 2-ethenyl-4-methyl-(wt, %)36.9553.29
Furans and pyrans
12 Furfural (wt, %)15.3373.414.064.533.8
16 2H-Pyran-2,6(3H)-dione (wt, %)23.4011.501.281.20
Aldehydes and ketones
3 2-Pentanone (wt, %)6.4671.791.71.89
4 3-Pentanone (wt, %)6.8381.920.991.010.99
5 Acetaldehyde hydroxy-(wt, %)7.2904.156.856.17.077.72
7 2-Propanone, 1-hydroxy-(wt, %)9.4783.654.84.194.41
13 1,2-Cyclopentanedione (wt, %)19.5982.332.272.23
Aromatic compounds
17 Phenol (wt, %)24.3806.76.177.987.588.32
18 Phenol,2-methoxy-(wt, %)25.3052.124.074.693.7
19 Creosol (wt, %)29.0582.181.952
21 2-Methoxy-4-vinylphenol (wt, %)33.8632.783.313.63.21
23 Phenol,2,6-dimethoxy-(wt, %)35.4382.572.181.892.252.44
25 trans-Isoeugenol (wt, %)38.1261.481.031.131.24
26 3-Hydroxy-4-methoxybenzoic acid (wt, %)38.2983.27
27 Vanillin (wt, %)38.5673.18
28 Phenol,2,6-dimethoxy-4-(2-propenyl)-(wt, %)42.7681.87
29 2-Propionic acid, 3-(4-hydroxy-3-methoxyphenyl (wt, %)45.9873.33
30 4-((1E)-3-Hydroxy-1-propenyl)-2-methoxyphenol (wt, %)48.9283.32
Nitrogen containing compounds
14 2-Imidazolidinone (wt, %)20.8141.451.201.181.08
15 2-Methyliminoperhydro-1,3-oxazine (wt, %)22.5974.687.615.564.314.14