Table 4.
The comparison of oil yield from the catalytic pyrolysis of plastic waste with synthetic Al–Si catalysts from cogon grass and other catalysts.
| Catalyst | Si–Al ratio | Surface area (m2/g) | Plastic type | Temperature (°C) | Oil Yield (%) | Gas Yield (%) | Solid Residual (%) | Ref. |
|---|---|---|---|---|---|---|---|---|
| Al–Si/20-80 | 20 | 102 | HDPE, LDPE, PP, PS, PET | 350 | 86.67 | 0.65 | 12.46 | This study |
| Al–Si/40-60 | 40 | 143 | HDPE, LDPE, PP, PS, PET | 350 | 88.89 | 1.42 | 10.67 | This study |
| Al–Si/60-40 | 40 | 200 | HDPE, LDPE, PP, PS, PET | 350 | 93.11 | 0.36 | 9.27 | This study |
| Al–Si/80-20 | 80 | 163 | HDPE, LDPE, PP, PS, PET | 350 | 89.00 | 0.69 | 6.53 | This study |
| Y-Zeolite | 80 | - | HDPE | 500 | 55.00 | 38.00 | 7.00 | [38] |
| B-Zeolite | 17.1 | 349 | HDPE, LDPE, PP, PS, PET, PVC, Other | 500 | 46.8 | 27.9 | 25.3 | [39] |
| HZSM-5 | 12.6 | 367 | HDPE, LDPE, PP, PS, PET, PVC, Other | 500 | 43.8 | 34.6 | 21.6 | [39] |
| Commercial Al–Si | 13.4 | 235 | LLDPE | 450 | 93.20 | 2.2 | 4.6 | [40] |
| Commercial Al–Si | 35.13 | 29 | PP | 500 | 91 | 8 | 1 | [41] |