NEW publication in Journal of Environmental Chemical Engineering

This study was conducted by Borja Perez, who visited us in Prague in 2024. Miloš contributed by providing a detailed characterization of the feedstock and hydrotreated products.

This study examines the upgrading of plastic waste pyrolysis oil (PWPO) derived from real waste electrical and electronic equipment (WEEE) and waste packaging (WP), with the objective of producing oil fractions for their valorization in material recycling strategies. Overall, the NiMo catalyst outperformed CoMo, yielding a hydrotreated oil virtually free of halogens at 360 °C. The naphtha fraction, representing almost half of the hydrotreated oil, contained neither sulfur nor nitrogen, and a proportion of benzene, toluene, ethylbenzene, and xylenes (BTEX) around 75 wt%, making it an alternative source of these valuable and widely used chemicals.

In addition, the process produced naphthalene-rich kerosene and gas oil fractions, with potential use as a naphthalene oil source. The bottom residue fraction, yielding ≈ 20 wt%, could be reintroduced into refinery processes or used as marine fuel. These exceptional results enable the design of circular strategies for the production of petrochemicals from waste materials.

Feel free to read this open-access work: https://www.sciencedirect.com/science/article/pii/S2213343726032045