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Article Dans Une Revue Applied Catalysis B: Environmental Année : 2023

Polypropylene cracking on embryonic and ZSM-5 catalysts – An operando study

Karolina Tarach
  • Fonction : Auteur
Kamila Pyra
  • Fonction : Auteur
Gabriela Jajko
Jean-Pierre Gilson

Résumé

A series of ZSM-5 zeolites (embryonic, microporous, hierarchical) is studied in the catalytic cracking of polypropylene in the framework of its chemical recycling. Two important zeolite features impact their catalytic performances and allow their design as efficient catalysts: porosity and acidity. They also play a key role in catalyst deactivation and regeneration. A detailed thermogravimetric and spectroscopic (operando FT-IR) analysis of the reaction, including catalyst coking and regeneration, shows the emergence of rules to design fit-for-purpose catalysts to be used in existing or grass-roots FCC units.
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Dates et versions

hal-04270575 , version 1 (04-11-2023)

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Karolina Tarach, Mariame Akouche, Kamila Pyra, Valentin Valtchev, Gabriela Jajko, et al.. Polypropylene cracking on embryonic and ZSM-5 catalysts – An operando study. Applied Catalysis B: Environmental, 2023, 334, pp.122871. ⟨10.1016/j.apcatb.2023.122871⟩. ⟨hal-04270575⟩
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