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Abstract <p>The possibility of hydroprocessing the plastic waste pyrolysis product to produce valuable hydrocarbons was investigated. Catalytic tests were conducted in a flow mode at <i>T</i> = 310°C, <i>P</i><sub>H2</sub> = 80 bar, and LHSV = 1 h<sup>–1</sup> over a fixed bed of a macro–mesoporous CoMoNi/Al<sub>2</sub>O<sub>3</sub> catalyst using a pyrolysis oil fraction (polyethylene–polypropylene mixture) with <i>T</i><sub>boil</sub> &lt; 360°C as the feedstock. The hydroprocessing led to the formation of a product exhibiting the properties of kerosene, except for boiling point and cloud point. It was found that acidic additives (zeolite or zeolite-like materials) should be introduced into the catalyst for the implementation of isomerization and cracking processes.</p>

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Catalytic Hydroprocessing of Plastic Waste to Valuable Hydrocarbons

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • E. E. Vorobyeva,
  • V. A. Vdovichenko,
  • A. V. Polukhin,
  • A. I. Lysikov,
  • O. V. Shuvaeva,
  • D. Yu. Troitskii,
  • A. A. Klimov,
  • P. N. Korolev,
  • V. M. Sesin,
  • D. I. Arkharov,
  • E. V. Parkhomchuk

摘要

Abstract

The possibility of hydroprocessing the plastic waste pyrolysis product to produce valuable hydrocarbons was investigated. Catalytic tests were conducted in a flow mode at T = 310°C, PH2 = 80 bar, and LHSV = 1 h–1 over a fixed bed of a macro–mesoporous CoMoNi/Al2O3 catalyst using a pyrolysis oil fraction (polyethylene–polypropylene mixture) with Tboil < 360°C as the feedstock. The hydroprocessing led to the formation of a product exhibiting the properties of kerosene, except for boiling point and cloud point. It was found that acidic additives (zeolite or zeolite-like materials) should be introduced into the catalyst for the implementation of isomerization and cracking processes.