Impact of Metal Impregnation of Commercial Zeolites in the Catalytic Pyrolysis of Real Mixture of Post-Consumer Plastic Waste

Author:

Paucar-Sánchez Marco F.1,Calero Mónica1,Blázquez Gabriel1ORCID,Solís Rafael R.1ORCID,Muñoz-Batista Mario J.1ORCID,Martín-Lara María Ángeles1ORCID

Affiliation:

1. Department of Chemical Engineering, University of Granada, 18071 Granada, Spain

Abstract

This work reports the study of the catalytic pyrolysis of rejected plastic fractions collected from municipal solid waste whose mechanical recovery is not plausible due to technical or poor conservation issues. The chemical recycling using catalytic pyrolysis was carried out over commercial zeolites formulas, i.e., HY and HZSM-5, in which Ni or Co metals were deposited at two different loadings (1 and 5%, wt.). The presence of these transition metals on the zeolitic supports impacted the total production of compounds existing in the liquid oil. The samples were characterized in terms of structural, chemical, and morphologic properties, and the production of different fuel fractions (gasoline, light cycle oil, and heavy cycle oil) was correlated with a combined parameter defined as a ratio of Acidity/BET area.

Publisher

MDPI AG

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