Review Article
Review and Design Overview of Plastic Waste-to-Pyrolysis Oil Conversion with Implications on the Energy Transition
Table 3
Summary of plastic pyrolysis studies [
46].
| Plastic type | Reactor | Process parameters | Yield | Temp. (°C) | Pressure | Heat. rate (°C/min) | Time (min) | Oil | Gas | Solid | Others |
| PET | Fixed bed | 500 | — | 10 | — | 23.1 | 76.9 | 0 | | PET | — | 500 | 1 atm | 6 | — | 38.9 | 52.1 | 8.98 | | HDPE | Horizontal bed | 350 | — | 20 | 30 | 80.9 | 17.2 | 1.88 | | HDPE | Semibatch | 400 | 1 atm | 7 | — | 82 | 16 | 2 | Stirring rate 200 rpm, FCC catalyst, 10 wt.% | HDPE | Batch | 450 | — | — | 60 | 74.5 | 5.8 | 19.7 | | HDPE | Semibatch | 450 | 1 atm | 25 | — | 91.2 | 4.1 | 4.7 | Stirring rate 50 rpm, FCC catalyst 20 wt.%, silica-alumina catalyst | HDPE | Fluidized bed | 500 | — | — | 60 | 85 | 10 | 5 | | HDPE | Batch | 550 | — | 5 | — | 84.7 | 16.3 | 0 | | HDPE | Fluidized bed | 650 | — | — | 20-25 | 68.5 | 31.5 | 0 | | PVC | Fixed bed | 500 | — | 10 | — | 12.3 | 87.7 | 0 | | PVC | Vacuum batch | 520 | 2 kPa | 10 | — | 12.79 | 0.34 | 28.13 | HCL, 58.2 wt.% | LDPE | Pressurized batch | 425 | 0.8-4.3 MPa | 10 | 60 | 89.5 | 10 | 0.5 | | LDPE | Batch | 430 | — | 3 | — | 75.6 | 82 | 75 | Wax =8.7 wt.% | LDPE | — | 500 | 1 atm | 6 | — | 80.4 | 19.43 | 0.16 | | LDPE | Fixed bed | 500 | — | 10 | 20 | 95 | 5 | 0 | | LDPE | Batch | 550 | — | 15 | — | 93.1 | 14.6 | 0 | | LDPE | Fluidized bed | 600 | 1 atm | — | — | 51.0 | 24.2 | 0 | Wax =24.8 wt.% | PP | Horizontal steel | 300 | — | 20 | 30 | 69.82 | 28.84 | 1.34 | | PP | Batch | 380 | 1 atm | 3 | — | 80.1 | 6.6 | 1.33 | | PP | Semibatch | 400 | 1 atm | 7 | — | 85 | 13 | 2 | Stirring rate 200 rpm, used FCC catalyst 10 wt.% | PP | Semibatch | 450 | 1 atm | 25 | — | 92.3 | 4.1 | 3.6 | Stirring 50 rpm, used FCC catalyst 10 wt.% | PP | — | 500 | 1 atm | 6 | — | 82.12 | 17.76 | 0.12 | | PP | Batch | 740 | — | — | — | 48.8 | 49.6 | 1.6 | | PS | Semibatch | 400 | 1 atm | 7 | — | 90 | 6 | 4 | Stirring 20 rpm, used FCC catalyst, | PS | Pressurized batch | 425 | 0.3–1.6 MPa | 10 | 60 | 97 | 2.50 | 0.5 | | PS | Batch | 500 | — | — | 150 | 96.7 | 3.27 | 0 | Used Zn catalyst, | PS | Batch | 581 | — | — | — | 89.5 | 9.9 | 0.6 | 64.9 wt.% of Liquid- compressed styrene |
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