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Chemical Recycling of Polyolefins with the Molten Metal Reactor at 460 °C |
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| Authors: | Dr Frank Riedewald Dr Jan Zuber Dr Philipp Rathsack Gavin Duffy Dr Maria O'Mahoney Prof Maria Sousa-Gallagher |
| Affiliation: | 1. Composite Recycling Ltd, The Rubicon Centre, CIT Campus, Bishopstown, T12 Y275 Cork, Ireland;2. TU Bergakademie Freiberg, Institute of Analytical Chemistry, Leipziger Straβe 29, 09599 Freiberg, Germany;3. Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), Fuchsmühlenweg 9, 09599 Freiberg, Germany;4. Front Row Engineering Ltd, Corran, Waterfall, T12RY73 Cork, Ireland;5. University College Cork, School of Biological, Earth & Environmental Sciences, Distillery Fields, North Mall, T23 N73K Cork, Ireland;6. University College Cork, Process and Chemical Engineering, School of Engineering, T12 K8AF Cork, Ireland |
| Abstract: | This paper describes the pyrolysis of high-density polyethylene (HDPE) in a molten metal reactor, where the HDPE is initially in direct contact with molten metal at 460 °C. Due to the equal temperature across the molten metal, secondary reactions are minimised, and long-chain waxes with boiling points over 600 °C accumulate on the molten metal. Once enough wax has accumulated, further HDPE pyrolysis occurs within the wax in a direct heat transfer reaction. |
| Keywords: | Heavy waxes Molten metal reactor Plastic recycling Pyrolysis |
