Table 2 Effect of different pyrolysis parameters on product yield.
Parameter | HDPE | PP | (PP + HDPE) |
|---|---|---|---|
Catalyst | Na/ZSM-5 | Na/ZSM-5 | Na/ZSM-5 |
MW susceptor | Activated carbon | Activated carbon | Activated carbon |
Plastic: catalyst | 10:1 | 10:1 | 10:1 |
MW power | 1KW | 1KW | 1KW |
Temperature | 450 °C | 450 °C | 450 °C |
Mass of feedstock (g) | 50 g | 50 g | 50 g |
% Conversion | 80% | 88% | 84% |
Liquid oil yield (wt.%) | 56% | 48% | 52% |
Gas yield (wt.%) | 24% | 40% | 32% |
Solid char (wt.%) | 20% | 12% | 16% |
% Energy recovery in Oil | 51.28 | 44.35 | 47.84 |
Density of liquid Oil (g/cm3) | 0.822 | 0.816 | 0.825 |
HHV of liquid Oil (MJ/Kg) | 42.332 | 43.138 | 42.735 |
HHV of plastics (MJ/Kg) | 46.22 | 46.68 | 46.45 |
