A Review on the Thermochemical Recycling of Waste Tyres to Oil for Automobile Engine Application

Mohammad I. Jahirul, Farhad M. Hossain, Mohammad G. Rasul and Ashfaque Ahmed Chowdhury
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Mohammad I. Jahirul: School of Engineering and Technology, Central Queensland University, Rockhampton, QLD 4702, Australia
Farhad M. Hossain: Biofuel Engine Research Facility, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
Mohammad G. Rasul: School of Engineering and Technology, Central Queensland University, Rockhampton, QLD 4702, Australia
Ashfaque Ahmed Chowdhury: School of Engineering and Technology, Central Queensland University, Rockhampton, QLD 4702, Australia

Energies, 2021, vol. 14, issue 13, 1-18

Abstract: Utilising pyrolysis as a waste tyre processing technology has various economic and social advantages, along with the fact that it is an effective conversion method. Despite extensive research and a notable likelihood of success, this technology has not yet seen implementation in industrial and commercial settings. In this review, over 100 recent publications are reviewed and summarised to give attention to the current state of global tyre waste management, pyrolysis technology, and plastic waste conversion into liquid fuel. The study also investigated the suitability of pyrolysis oil for use in diesel engines and provided the results on diesel engine performance and emission characteristics. Most studies show that discarded tyres can yield 40–60% liquid oil with a calorific value of more than 40 MJ/kg, indicating that they are appropriate for direct use as boiler and furnace fuel. It has a low cetane index, as well as high viscosity, density, and aromatic content. According to diesel engine performance and emission studies, the power output and combustion efficiency of tyre pyrolysis oil are equivalent to diesel fuel, but engine emissions (NO X , CO, CO, SO X , and HC) are significantly greater in most circumstances. These findings indicate that tyre pyrolysis oil is not suitable for direct use in commercial automobile engines, but it can be utilised as a fuel additive or combined with other fuels.

Keywords: waste tyre; waste management; pyrolysis; automobile engine (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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