Thermochemical Valorization of Waste Plastic for Production of Synthetic Fuels, Fine Chemicals, and Carbon Nanotubes

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Thermochemical Valorization of Waste Plastic for Production of Synthetic Fuels, Fine Chemicals, and Carbon Nanotubes
Title:
Thermochemical Valorization of Waste Plastic for Production of Synthetic Fuels, Fine Chemicals, and Carbon Nanotubes
Journal Title:
ACS Sustainable Chemistry & Engineering
Publication Date:
24 January 2024
Citation:
Tang, K. Y., Chan, C. Y., Chai, C. H. T., Low, B. Q. L., Toh, Z. Y., Wong, B. W. L., Heng, J. Z. X., Li, Z., Lee, C.-L. K., Loh, X. J., Wang, C.-H., & Ye, E. (2024). Thermochemical Valorization of Waste Plastic for Production of Synthetic Fuels, Fine Chemicals, and Carbon Nanotubes. ACS Sustainable Chemistry & Engineering, 12(5), 1769–1796. https://doi.org/10.1021/acssuschemeng.3c06276
Abstract:
Globally, approximately 300 million metric tonnes of plastic waste are generated annually, and over 90% of them are either disposed to the landfill or incinerated. Though there are commitments to reduce waste plastics, it has its limitations. In this review, the various types of thermochemical processes (pyrolysis, gasification, and hydrothermal liquefaction) used for plastic waste upcycling are first introduced. The production of synthetic fuel, fine chemicals, and carbon nanotubes through these processes are then discussed, with the effects of each factor scrutinized. Technical challenges of the production using plastic waste and how it can be overcome are then highlighted. Economical and environmental assessment of the processes are also analyzed to determine whether such processes are viable for upcycling of waste plastic, closing the carbon economy loop.
License type:
Publisher Copyright
Funding Info:
This research is supported by core funding from: SERC
Grant Reference no. : SC25/22-120424
Description:
This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Sustainable Chemistry & Engineering, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see doi.org/10.1021/acssuschemeng.3c06276
ISSN:
2168-0485
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