Table 5.
Pyrolysis of PP with specific process parameters.
| Sample | Process parameters |
Final products (wt%) |
Ref.a | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Type of reactors | Temperature (°C) | Residence time (min) | Heating rate (°C/min) | Particle size (mm) | Catalyst | Solid | Liquid | Gas | ||
| PP | Auger and fluidized bed reactor | 718.2 | 10 | 5 | 0.4–1.5 | – | 1.67 | 33.83 | 63.4 | 1 |
| PP waste | Lab scale borosilicate glass reactor | 450 | 90 | – | – | Zeolite | Wax | 80.82 | – | 2 |
| 65 | – | – | 86.40 | – | ||||||
| PP and biomass waste | Co-pyrolysis | 450 | 50 | 5 | 5 | – | 23.20 | 57.41 | 19.4 | 3 |
| PP | Tubular electrical furnace semi batch pyrolysis | 325 | 10 | 5 | 5 | – | Wax | 54.02 | 29.8 | 4 |
| PP waste | Batch autoclave reactor | 500 | 60 | 5 | 2–5 | – | – | 95 | 5.0 | 5 |
| PP | Conical spouted bed reactor | 450 | 18 | – | 0.6–1 | – | Wax | 92 | 8.0 | 6 |
| PP, PE, PS, PET waste | Batch reactor | 500 | 30 | 20 | – | – | 33.5 | 40.9 | 25.6 | 7 |
| PP | Batch reactor | 740 | 10 | – | – | – | 1.6 | 48.8 | 49.6 | 8 |
| PP | Batch reactor pyrolysis | 350 | 180 | – | – | – | – | 54.5 | – | 9 |
| PP, PS | Fixed bed pyrolysis reactor | 700 | 60 | 25 | – | 0.4 | 83.6 | 16.0 | 10 | |
| PP, APP | Fixed bed pyrolysis reactor | 425 | 150 | 5 | 0.2 | – | – | 93 | 7.0 | 11 |
| PP waste | Batch reactor pyrolysis | 400 | 60 | – | – | – | 1.84 | 88.86 | 9.3 | 12 |
| PP waste | Fixed-bed reactor co-pyrolysis | 500 | 30 | 5 | 30 | – | 15.6 | 6.3 | 40.0 | 13 |
| PP waste | Fixed-bed reactor | 250 | 60 | – | – | – | – | 8 | – | 14 |
| PP | Fluidised bed pyrolysis | 520 | 300 | 3 | 0.18 | HUSY | 3.44 | 3.75 | 89.5 | 15 |
| PP | Steel micro reactor | 300 | – | – | – | – | 1.34 | 69.8 | 28.8 | 16 |
| PP | Batch reactor pyrolysis | 380 | 30 | 3 | 1 | – | 13.3 | 80.1 | 6.6 | 17 |
| PP, PE, PA, PS waste | Horizontal tube reactor | 500 | 72 | – | 4–5 | – | 85.3 | 10.9 | 3.4 | 18 |
| PP | Pyrolysis reactor | 500 | – | 6 | – | – | 0.12 | 82.12 | 18.0 | 19 |
a
Ref. – 1 - (Park et al., 2019); 2 - (Sonawane et al., 2015); 3 - (Sajdak and Muzyka, 2014); 4 - (Das and Tiwari, 2018a); 5 - (Williams and Slaney, 2007); 6 - (Aguado et al., 2002); 7 - (Adrados et al., 2012); 8 - (Demirbas, 2004); 9 - (Wong and Broadbelt, 2001); 10 - (Williams and Williams, 1999); 11 - (Ballice and Reimert, 2002); 12 - (Martynis et al., 2019); 13 - (Kusrini et al., 2019); 14 - (Bow and Pujiastuti, 2019); 15 - (Lin and Yen, 2005); 16 - (Ahmad et al., 2015); 17 - (Sakata et al., 1999); 18 - (Norbert Miskolczi et al., 2004); 19 - (FakhrHoseini and Dastanian, 2013).