Table 2 Identification of the composition of thermally degraded products by GC–MS.

From: Liquid fuel oil produced from plastic based medical wastes by thermal cracking

Types of composition

Name of constituents

Chemical formula

Boiling point (°C)

GC–MS Data

Constituent (%, peak area)

Retention time

Alkane

3,3 dimethyl Octane

C10H22

161

2.54

4.342

Dodecane

C12H26

216

0.71

6.037

Tridecane

C13H28

234

2.53

7.039

Tetradecane

C14H30

255

2.22

8.117

Pentadecane

C15H32

270

2.47

9.247

Heptadecane

C17H36

302

1.41

11.526

Eicosane

C20H42

343

0.77

15.719

Heneicosane

C21H44

356

1.36

12.633, 13.703

Hexacosane

C26H54

412

2.27

10.393

Cycloalkane

4-cyclohexylDecane

C16H32

–

1.57

6.917

1,1 (1,4-butandiyl) bis-Cyclopentane

C14H26

–

0.99

7.908

Alkene

1-Dodecene

C12H24

213

0.57

5.965

1-Tridecene

C13H26

233

1.35

6.958

1-Tetradecene

C14H28

251

2.93

8.033

1-Pentadecene

C15H30

268

4.48

9.164, 10.311

1-Nonadecene

C19H38

–

0.82

13.642

7-methyl-1-Undecene

C12H24

–

0.52

4.933

Alcohol

2-Ethyl-1-hexanol

C8H18O

184

3.57

4.55, 4.442, 4.502

1-Heptanol, 2,4-diethyl-

C11H24O

–

2.12

7.225

11-Methyldodecanol

C13H28O

268

7.6

7.133, 7.313

n-Pentadecanol

C15H32O

270

1.36

11.45

Ester

Hexadecanoic acid, ethyl ester

C18H36O2

377

3.71

14.675

Ethyl 14-methyl-hexadecanoate

C18H36O2

–

2.23

12.566, 16.622

Ethyl 9-hexadecenoate

C18H34O2

356

1.41

14.483

(E)-9-Octadecenoic acid ethyl ester

C20H38O2

217

0.9

16.399

Isodecyl methacrylate

C14H26O2

120

0.86

4.975

Hexadecanoic acid, methyl ester

C17H34O2

417

0.73

13.983

Phenol

Phenol

C6H6O

182

1.89

4.175, 4.099

p-Cumenol

C9H12O

–

1.43

6.117, 6.336

Phthalate

1,3-Benzene dicarboxylic acid, bis(2-ethylhexyl) ester

C24H38O4

400

40.02

19.792

Bis(2-ethylhexyl) phthalate

C24H38O4

385

2.11

19.683, 19.475

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