Table 4.
Pyrolysis of plastic PP using different type of pyrolysis.
| Plastic | Type of pyrolysis | Focused end products | Ref. |
|---|---|---|---|
| PP, PE | Slow | PDO for liquid fuel | (Das and Tiwari, 2018b) |
| PP | Slow | Char 10%, oil 76% and gas 14% | (Singh et al., 2019) |
| PP, PE waste | Slow | Liquid oil of C8-C28 aliphatic carbons | (Velghe et al., 2011) |
| PP waste | Slow (catalytic) | Solid oxide fuel cell, carbon nanotubes | (Cai et al., 2019) |
| PP | Slow | Carbon 25%, oil 33% and gas 38%, porous carbon sheets | (Ma et al., 2018) |
| PP, PET, PS waste | Slow (co-pyrolysis) | Pyrolysis oil | (Chhabra et al., 2020) |
| PP waste | Slow | Alkene/alkane rich gas products | (Ciliz et al., 2004) |
| PP waste | Slow | Liquid (oil/wax phase) yields 42% | (Maniscalco et al., 2021) |
| PP waste | Slow | 80% liquid fuel | (Santaweesuk and Janyalertadun, 2017) |
| PP waste | Slow | Char 5.7%, gases 5.6% and light and heavy oil fraction of 82.4% | (Parku et al., 2020) |
| PP | Slow | PDO and hydrocarbon gases | (Das and Tiwari, 2018a) |
| PP | Slow | Char 2.49%, oil 78.70%, gas 18.81% | (Sogancioglu et al., 2020) |
| PP | Fast | 50% of the feed mass, 40% oil and 10% char | (Kalargaris et al., 2018) |
| PP waste | Fast | Char 2.5%, gases 31.8% and light and heavy oil fraction of 60.5% | (Parku et al., 2020) |
| PP | Fast | Char 2%, oil 7% and gas 91% | (Singh et al., 2019) |
| PP | Fast | High quality biofuel | (Ojha and Vinu, 2015) |
| PP | Fast | 51.9% organic carbon basis, 0.2% char residue | (Erdoğan et al., 2014) |
| PP, lignin | Fast (non-catalytic co-pyrolysis) | High hydrocarbons originating from PP pyrolyzates | (Ryu et al., 2020) |
| PP from facemask | Catalytic | Formations of syngas, C1-2 hydrocarbons | (Jung et al., 2021) |
| PP, lignin | Catalytic (fast co-pyrolysis) | Larger amounts of BTEXs, OMAHs, small molecular hydrocarbons (C3 ~ C7) | (Ryu et al., 2020) |
| PP, seaweed | Catalytic | Large pore size, strong Brönsted acid sites bio-oil | (Kim et al., 2017) |
| PP | Plasma | Low emission rate, waste residue is inert and sterile | (Datta et al., 2018) |
| PP waste | Plasma | Synthesis gas and fuels | (Munir et al., 2019) |