The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2024
Filed:
Aug. 27, 2020
Huntsman International Llc, The Woodlands, TX (US);
Johan Martens, Sint-Joris-Weert, BE;
Sambhu Radhakrishnan, Heverlee, BE;
Loes Verheyden, Aarschot, BE;
Arend Jan Zeeuw, Wassenaar, NL;
Bart De Waele, Heverlee, BE;
Robert Henry Carr, Bertem, BE;
Nathalie Meyer, Woluwe St. Lambert, BE;
HUNTSMAN INTERNATIONAL LLC, Woodlands, TX (US);
Abstract
The present invention relates to a process for manufacturing an upgraded bio-oil derived from black liquor, comprising the following steps: —Providing black liquor, which comes from the pulp and paper manufacturing industry; —Subjecting black liquor to a pyrolysis treatment with formation of a pyrolyzed black liquor gas and a solid mass, which comprises char and salts; —Catalytic conversion of said pyrolyzed black liquor gas by contacting at least part of the latter with a bi-metallic modified zeolite catalyst with formation of the upgraded bio-oil, which comprises benzene, toluene, xylene (BTX), naphthalene and non-BTX products.