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Gate-to-grave assessment of plastic from recycling to manufacturing of TENG: a comparison between India and Singapore

Lookup NU author(s): Dr Wei Liang Lai, Sunanda Roy, Dr Kheng-Lim GohORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© The Author(s) 2024. This study assesses the viability of recycled plastic-based triboelectric nanogenerators (TENGs) for sustainable energy harvesting in India and Singapore, concurrently examining plastic waste management. Using material flow analysis and life cycle assessment, the findings revealed that in Singapore, waste-to-energy incineration has a lower environmental impact than landfilling and mechanical recycling, attributed to natural gas usage. In India, recycling offsets impacts from incineration and landfilling, contributing to a lower net environmental impact. Economic performance of a TENG module from PET recyclates showed a 20% carbon footprint reduction when scaling up from lab to industrial “freeze-drying” processes. Key challenges in TENG manufacturing processes are also assessed for future development. This research highlights the potential of recycled plastic-based TENGs in sustainable energy and waste management.

Publication metadata

Author(s): Sharma S, Lai WL, Roy S, Maji PK, Ramakrishna S, Goh KL

Publication type: Article

Publication status: Published

Journal: Environmental Science and Pollution Research

Year: 2024

Volume: 31

Pages: 42698–42718

Online publication date: 15/06/2024

Acceptance date: 28/05/2024

Date deposited: 24/06/2024

ISSN (print): 0944-1344

ISSN (electronic): 1614-7499

Publisher: Springer Nature

URL: https://doi.org/10.1007/s11356-024-33867-w

DOI: 10.1007/s11356-024-33867-w

Data Access Statement: The data are available in the Supplementary Information document.

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