Pyrolysis of Real Packaging Plastic Waste Streams in a Fluidized-Bed Pilot Plant

Homer C. Genuino, Marcel C.P. van Eijk, Sascha R.A. Kersten, M. Pilar Ruiz*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Pyrolysis of different packaging plastics waste streams (DKR350) and films/foils (DKR310) was conducted at the pilot scale in a fluidized-bed reactor at 500 °C and 5 kg h-1 with the aim to investigate the impact of sorting, the variability of the feedstock, and process parameters on the yield and quality of feedstocks and product oils. Sorting involved enriching the feedstock in polyolefins content, by mostly removing PET and clogged materials. The results indicated that sorting improved the quality of oil to a limited extent, compared to unsorted streams, as further processing will still be required before due to the presence of heteroatoms (e.g., O, Cl). With the reactor and conditions used, the effect of the variable composition of this type of feedstock (e.g., depending on the location or season) is very limited, as the yield and quality of the condensable product remain similar. Both the effect of temperature and residence time is relevant and comparable, as an increase in either of these parameters favor cracking and aromatization reactions in the gas phase, leading to less condensable product and lower aliphatics/aromatics ratios in their composition.

Original languageEnglish
Pages (from-to)2188–2199
JournalEnergy and Fuels
Issue number3
Early online date23 Oct 2023
Publication statusPublished - 9 Jan 2024


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