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Management of waste tyres: properties, life cycle assessment and energy generation

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The increased demand and production of tyres led to vast quantities of discarded tyres. Landfilling and open burning of waste tyres (WT) are associated with significant environmental implications. Life cycle assessment of WT indicates that a considerable amount of energy can be recovered from them, which can help to lower their environmental impacts. Stricter global regulations have prompted researchers to look for thermal treatments such as gasification and pyrolysis of WT to produce gaseous (syngas and hydrogen gas), liquid (bio-oil), and solid (char) fuels under controlled conditions. The key parameters affecting the quality of these products are the kind of reactors, reaction conditions, quality and nature of WT. This review aims to address the properties of tyres and their life cycle assessment. The paper provides insights into the latest development in a fixed bed, fluidized bed and rotary bed gasifiers and pyrolyzers to recover the maximum energy from WT. The outcomes of various laboratory-scale studies, scale-up of technology, global commercial status, and gaps for the broader acceptance of energy conversion technologies are discussed here.

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Correspondence to Perminder Jit Kaur.

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Kaur, P.J., Kaushik, G., Hussain, C.M. et al. Management of waste tyres: properties, life cycle assessment and energy generation. Environmental Sustainability 4, 261–271 (2021). https://doi.org/10.1007/s42398-021-00186-6

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  • DOI: https://doi.org/10.1007/s42398-021-00186-6

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