Method and system for processing lignocellulose material

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11319603
APP PUB NO 20200332375A1
SERIAL NO

16762570

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Abstract

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A method for processing lignocellulose materials comprising the steps of hydrothermal treatment of the material with saturated or superheated steam in a hydrothermal pressure vessel, wherein the steam is provided by means of a steam boiler. The treatment is performed at a pressure of 5-30 bars, and at a temperature of 160-240° C. for a duration of 1-20 minutes. The method further comprises discharging hydrothermally treated lignocellulose material and steam from the pressure vessel by means of rapid pressure reduction, separating the steam and vapours released from the lignocellulose material, and burning the vapours together with additional fuel and combustion air in the furnace of said steam boiler. Furthermore, a corresponding system is provided.

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Patent Owner(s)

  • VALMET AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Averheim, Andreas Sundsvall, SE 6 3
Björklund, Peter Umeå, SE 32 74
Erixon, Mattias Härnösand, SE 2 2
Lambert, Francois Sundsvall, SE 17 17

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