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Appendix G: Tyre pyrolysis: gas, oil, and char composition

Pyrolysis gas compositions (vol.%) and GCV

Pyrolysis Temperature

400

Methane

4.4

Ethene

4.3

Ethane

4.5

Propene

4.1

Propane

4.4

Butene

30.8

Butane

6.1

Pentene

3.7

Pentane

12.8

Hexene

2.2

Hexane

5.1

CO

4.2

2 CO

10.7

2 SH

2.6

ºC

500 ºC

19.8 9.4 9.1 6.4 4.4 17.5 3.8 2.8 4.8 1.1 1.7 4.8 9.4 5.1

600 ºC

20.0 9.7 9.0 6.5 4.1 17.9 4.0 3.6 3.8 0.9 1.6 6.5 8.8 3.6

700 ºC

20.0 8.9 8.1 4.5 3.2 16.0 3.8 2.1 4.6 0.9 1.6 10.4 11.4 3.9

source: Rodriguez, I, Laresgoiti, M, Cabrero, Pyrolysis of scrap tyres. 72, page 18.

M, Torres, A, Chomon, M, & Caballero, B (2000).

source: Cunliffe, Adrian M., & Williams, Paul T. (1997). Composition of oils derived from the batch pyrolysis of tyres. Journal of Analytical and Applied Pyrolysis. 44, page 146.

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