Lifecycle assessment of end-of-life tire recycling through pathways of transitioning the recycling industry to renewable energy sources

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Lifecycle assessment of end-of-life tire recycling through pathways of transitioning the recycling industry to renewable energy sources

Journal Article (2025)

Author(s)

Namitha Sudan (Indian Institute of Technology Tirupati)

Avishreshth Singh (TU Delft - Pavement Engineering)

Chaitanya Ganesh Bhat (Independent researcher)

Krishna Prapoorna Biligiri (Indian Institute of Technology Tirupati)

Research Group

Pavement Engineering

DOI related publication

https://doi.org/10.1016/j.resconrec.2025.108169

Renewable energy Lifecycle assessment Crumb rubber Global warming potential Micronized rubber powder Reclaimed rubber Tire recycling

To reference this document use:

https://resolver.tudelft.nl/uuid:b2a569dd-ee31-40aa-9017-d1bda218e011

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Publication Year

2025

Language

English

Research Group

Pavement Engineering

Bibliographical Note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. @en

Volume number

216

Reuse Rights

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Abstract

While recycling technologies offer solution to the challenges associated with end-of-life tires (ELT), the reliance of the industry on nonrenewable sources raises concerns. The objective of this cradle-to-gate lifecycle assessment study was to quantify the potential environmental impacts due to recycling of ELT into multiple outputs: crumb rubber (CR), micronized rubber powder (MRP), and reclaimed rubber (RR). Thirty-six scenarios were analyzed including three products and two ELT sources using six electricity mix scenarios transitioning the nonrenewable to renewable sources. The global warming potential due to the production of CR, MRP, and RR from domestic ELT were 1.13 × 10⁴, 3 × 10⁴, and 3.63 × 10⁴ kg CO₂ eq., respectively, while 50 % transition to renewables reduced them by 10–15 %. Further, MRP showed the highest land occupation and water consumption potential. Overall, this research provided a holistic overview of current and future impacts of tire recycling industry supporting sustainable practices.

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File under embargo until 13-08-2025