Methods and systems for decontamination of pyrolysis oil using modular units

EP4433551A4Pending Publication Date: 2025-09-10SABIC GLOBAL TECHNOLOGIES BV
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Patent Information

Application Number
EP2022896661
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2021-11-16
Filing Date
2022-11-15
Publication Date
2025-09-10

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Abstract

Modular systems and methods for removal of contaminants from a mixed plastic waste pyrolysis oil and optionally processing it in a hydrogenation unit to produce a decontaminated hydrogenated pyrolysis oil. These contaminants include metal compounds and non-metal compounds, such as silica compounds, halogenated compounds, phosphorous compounds, oxygenates, and nitrogenates.
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Citation Information

Patent Citations

  • Dechlorination of mixed plastics pyrolysis oils using devolatilization extrusion and chloride scavengers

    WO2018025103A1

  • Purification of waste plastic based oil via first a trap and second via an hydrotreatment

    WO2021204821A1

  • Process for purifying a crude pyrolysis oil originating from the pyrolysis of plastic waste

    WO2021224287A1