Invention Grant
- Patent Title: Process for the preparation of low molecular weight aromatic compounds such as benzene, toluene, and xylenes (BTX) from plastics
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Application No.: US17598551Application Date: 2020-03-27
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Publication No.: US12054677B2Publication Date: 2024-08-06
- Inventor: Niels Jan Schenk , André Heeres , Inouk Kruize-Muizebelt
- Applicant: BioBTX B.V.
- Applicant Address: NL Groningen
- Assignee: BioBTX B.V.
- Current Assignee: BioBTX B.V.
- Current Assignee Address: NL Groningen
- Agency: Verrill Dana, LLP
- Priority: EP 176932 2019.05.28
- International Application: PCT/NL2020/050212 2020.03.27
- International Announcement: WO2020/204707A 2020.10.08
- Date entered country: 2021-09-27
- Main IPC: C10G1/10
- IPC: C10G1/10 ; C10B49/10 ; C10B49/22 ; C10B53/07 ; C10G1/08 ; C10G9/24

Abstract:
The present invention relates to a novel process for the preparation of low molecular weight aromatic compounds such as benzene, toluene, and xylenes (BTX) from plastics. Provided is a thermo-catalytic pyrolysis process for the preparation of aromatic compounds from a feed stream comprising plastic, comprising the steps of: a) subjecting a feed stream comprising a plastic to a pyrolysis treatment at a pyrolysis temperature in the range of 600-1000° C. to produce pyrolysis vapors; b) optionally cooling the pyrolysis vapors to a temperature that is below the pyrolysis temperature; e) contacting the vaporous phase with an aromatization catalyst at an aromatization temperature in the range of 450 700° C., which aromatization temperature is at least 50° C. lower than the pyrolysis temperature, in a catalytic conversion step to yield a conversion product comprising aromatic compounds; and d) optionally recovering the aromatic compounds from the conversion product.
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