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- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received May 30, 2024
Accepted September 10, 2024
Available online April 25, 2025
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Experimental Study of the Conversion of Polyethylene and Polypropylene to Non-Condensable Gases Using a Lab-Scale Bubble Column Reactor with Molten Metal Catalysis
https://doi.org/10.1007/s11814-024-00281-4
Abstract
Sustainable solutions for recycling waste plastics are necessary to replace conventional processing techniques. Plastic pyrolysis
is a promising technology for converting waste plastic into useful chemicals. This study aimed to produce hydrogen (H 2 )
via plastic pyrolysis using a molten metal catalyst. The characteristics of plastic conversion to non-condensable gas under
various operating conditions, such as the number of reactors, reaction temperature, and type of molten metal catalyst used,
were investigated. Nitrogen (N 2 ) was introduced into a molten metal bubble column reactor containing a metal catalyst, and
plastic was then uniformly mixed inside the catalyst through the formed rotating fl ow. Polyethylene and polypropylene were
pyrolyzed at 700–900
