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:
Jan. 22, 2019
Filed:
Sep. 22, 2015
Huntsman International Llc, The Woodlands, TX (US);
Arend-Jan Zeeuw, Wassenaar, NL;
James Theodore Wearing, Vancouver, CA;
David Anthony Boyd, Vancouver, CA;
Clive Brereton, Richmond, CA;
Brian Blackwell, Vancouver, CA;
HUNTSMAN INTERNATIONAL LLC, The Woodlands, TX (US);
Abstract
The invention discloses a process for treating black liquor comprising pyrolyzing black liquor in a fluidized bed reactor to obtain solid particles and pyrolyzed black liquor gas, heating the solid mass, returning the heated solid mass to the fluidized bed reactor for use in the pyrolysis reaction; condensing the pyrolyzed black liquor gas to obtain a condensate and recover heat and a residual gas released during condensation for heating the solid mass to a predetermined temperature for that is required for the pyrolysis.