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Contaminant removal from plastic waste pyrolysis oil via depth filtration and the impact on chemical recycling : a simple solution with significant impact

Marvin Kusenberg (UGent) , Martijn Roosen, Astrid Doktor, Leonor Casado, Anas Jamil Abdulrahman (UGent) , Behzad Parvizi (UGent) , Andreas Eschenbacher (UGent) , Emmanuelle Biadi, Nicolas Laudou, Daniel Jänsch, et al.
(2023) CHEMICAL ENGINEERING JOURNAL. 473.
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  • OPTIMA (OPTIMA: PrOcess intensification and innovation in olefin ProducTion by Multiscale Analysis and design)
Abstract
Recycling of mixed plastic waste via pyrolysis and subsequent steam cracking towards light olefins is a promising solution for the ever-growing plastic waste crisis. However, the pyrolytic recycling pathway is still not established on industrial scale due to the large variety of pyrolysis oil contaminants that hamper the application in (petro-)chemical processes. In short, plastic waste pyrolysis oils are unfeasible for steam crackers without upgrading. In this work, depth filtration for the removal of particulate contamination from a post-consumer mixed polyolefin (MPO) pyrolysis oil was performed using three different filter media with different porosity. Comprehensive analyses using SEM-EDX of the retained particles as well as ICP-OES and GC × GC-FID of the filtered oils allowed to understand the efficacy of filtration. Most of the particulate contamination was removed by filtration leading to a reduction from 69 mg/L in the unfiltered sample to < 2 mg/L in the filtered samples. Particle characterization confirmed that the main contamination is composed of iron, calcium and silicon-based contaminants in combination with carbon-based species. It was confirmed by ICP-OES that after filtration, important contaminants such as nickel, vanadium and lead were reduced below contamination thresholds for steam crackers indicating that filtration is an efficient, and potentially cost-effective upgrading technique for pyrolysis oils. When steam cracking the filtered oils, results show that radiant coil coke formation was reduced by 40–60% compared to the unfiltered oil without changes in product selectivity, confirming the strong impact of particulate contamination on coke formation during steam cracking.
Keywords
Steam cracking, Coke formation, Particle contamination, Polyolefins, Metals, STEAM CRACKING, COKE FORMATION, OPPORTUNITIES, CHALLENGES, SOLVENT, CRUDE, LEAD

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Citation

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MLA
Kusenberg, Marvin, et al. “Contaminant Removal from Plastic Waste Pyrolysis Oil via Depth Filtration and the Impact on Chemical Recycling : A Simple Solution with Significant Impact.” CHEMICAL ENGINEERING JOURNAL, vol. 473, 2023, doi:10.1016/j.cej.2023.145259.
APA
Kusenberg, M., Roosen, M., Doktor, A., Casado, L., Jamil Abdulrahman, A., Parvizi, B., … Van Geem, K. (2023). Contaminant removal from plastic waste pyrolysis oil via depth filtration and the impact on chemical recycling : a simple solution with significant impact. CHEMICAL ENGINEERING JOURNAL, 473. https://doi.org/10.1016/j.cej.2023.145259
Chicago author-date
Kusenberg, Marvin, Martijn Roosen, Astrid Doktor, Leonor Casado, Anas Jamil Abdulrahman, Behzad Parvizi, Andreas Eschenbacher, et al. 2023. “Contaminant Removal from Plastic Waste Pyrolysis Oil via Depth Filtration and the Impact on Chemical Recycling : A Simple Solution with Significant Impact.” CHEMICAL ENGINEERING JOURNAL 473. https://doi.org/10.1016/j.cej.2023.145259.
Chicago author-date (all authors)
Kusenberg, Marvin, Martijn Roosen, Astrid Doktor, Leonor Casado, Anas Jamil Abdulrahman, Behzad Parvizi, Andreas Eschenbacher, Emmanuelle Biadi, Nicolas Laudou, Daniel Jänsch, Steven De Meester, and Kevin Van Geem. 2023. “Contaminant Removal from Plastic Waste Pyrolysis Oil via Depth Filtration and the Impact on Chemical Recycling : A Simple Solution with Significant Impact.” CHEMICAL ENGINEERING JOURNAL 473. doi:10.1016/j.cej.2023.145259.
Vancouver
1.
Kusenberg M, Roosen M, Doktor A, Casado L, Jamil Abdulrahman A, Parvizi B, et al. Contaminant removal from plastic waste pyrolysis oil via depth filtration and the impact on chemical recycling : a simple solution with significant impact. CHEMICAL ENGINEERING JOURNAL. 2023;473.
IEEE
[1]
M. Kusenberg et al., “Contaminant removal from plastic waste pyrolysis oil via depth filtration and the impact on chemical recycling : a simple solution with significant impact,” CHEMICAL ENGINEERING JOURNAL, vol. 473, 2023.
@article{01H8BMHKNPFM1JJBN6KY3A08DB,
  abstract     = {{Recycling of mixed plastic waste via pyrolysis and subsequent steam cracking towards light olefins is a promising solution for the ever-growing plastic waste crisis. However, the pyrolytic recycling pathway is still not established on industrial scale due to the large variety of pyrolysis oil contaminants that hamper the application in (petro-)chemical processes. In short, plastic waste pyrolysis oils are unfeasible for steam crackers without upgrading. In this work, depth filtration for the removal of particulate contamination from a post-consumer mixed polyolefin (MPO) pyrolysis oil was performed using three different filter media with different porosity. Comprehensive analyses using SEM-EDX of the retained particles as well as ICP-OES and GC × GC-FID of the filtered oils allowed to understand the efficacy of filtration. Most of the particulate contamination was removed by filtration leading to a reduction from 69 mg/L in the unfiltered sample to < 2 mg/L in the filtered samples. Particle characterization confirmed that the main contamination is composed of iron, calcium and silicon-based contaminants in combination with carbon-based species. It was confirmed by ICP-OES that after filtration, important contaminants such as nickel, vanadium and lead were reduced below contamination thresholds for steam crackers indicating that filtration is an efficient, and potentially cost-effective upgrading technique for pyrolysis oils. When steam cracking the filtered oils, results show that radiant coil coke formation was reduced by 40–60% compared to the unfiltered oil without changes in product selectivity, confirming the strong impact of particulate contamination on coke formation during steam cracking.}},
  articleno    = {{145259}},
  author       = {{Kusenberg, Marvin and Roosen, Martijn and Doktor, Astrid and Casado, Leonor and Jamil Abdulrahman, Anas and Parvizi, Behzad and Eschenbacher, Andreas and Biadi, Emmanuelle and Laudou, Nicolas and Jänsch, Daniel and De Meester, Steven and Van Geem, Kevin}},
  issn         = {{1385-8947}},
  journal      = {{CHEMICAL ENGINEERING JOURNAL}},
  keywords     = {{Steam cracking,Coke formation,Particle contamination,Polyolefins,Metals,STEAM CRACKING,COKE FORMATION,OPPORTUNITIES,CHALLENGES,SOLVENT,CRUDE,LEAD}},
  language     = {{eng}},
  pages        = {{15}},
  title        = {{Contaminant removal from plastic waste pyrolysis oil via depth filtration and the impact on chemical recycling : a simple solution with significant impact}},
  url          = {{http://doi.org/10.1016/j.cej.2023.145259}},
  volume       = {{473}},
  year         = {{2023}},
}
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