Process for manufacturing an upgraded bio-oil from black liquor

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United States of America Patent

PATENT NO 12043957
APP PUB NO 20220290370A1
SERIAL NO

17637497

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
HUNTSMAN INTERNATIONAL LLC10003 WOODLOCH FOREST DRIVE THE WOODLANDS TX 77380

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carr, Robert Henry Bertem, BE 16 43
De, Waele Bart Heverlee, BE 2 0
Martens, Johan Sint-Joris-Weert, BE 37 367
Meyer, Nathalie Woluwe St. Lambert, BE 1 0
Radhakrishnan, Sambhu Heverlee, BE 1 0
Verheyden, Loes Aarschot, BE 2 1
Zeeuw, Arend Jan Wassenaar, NL 2 0

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