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Valorization of polyethylene waste by vacuum cracking
(Taylor and Francis, 2022) Dahou, Meriem; Hammadou née Mesdour, Souad; Kaddour, Omar; Mimoun, Hadj
In this study, polyethylene-pyrolysis was investigated under vacuum to yield cracking-oils as substitutes for petro-diesel. At 430 °C and 670 mmHg, highest yield of 86.68% liquid, 6.46% of residues and 6.86% of gas fractions were obtained. The liquid-fraction composition (180–350 °C) was dominated by paraffinic and olefin, as confirmed by GC–MS. The fuel qualities were analyzed using ASTM standards and then compared to the commercial-diesel. The depolymerized oil characteristics are similar to conventional-fuel except for the density, which was increase by adding an appropriate amount of petro-fuel. This process could significantly serves in managing wastes to produce clean-fuels