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. 14, 2025
Filed:
May. 24, 2021
Valmet Technologies Oy, Espoo, FI;
Naveen Chenna, Tampere, FI;
Tero Juutilainen, Tampere, FI;
VALMET TECHNOLOGIES OY, Espoo, FI;
Abstract
A method for removing ammonia (NH) from a gas produced in a pulp mill (). The method comprises producing raw non-condensable gas comprising ammonia (NH) in the pulp mill () and transferring at least some of the raw non-condensable gas to a scrubber () containing aqueous scrubbing solution (). The method comprises adding a compound capable of decreasing a pH of the scrubbing solution to the scmbbing solution () and in the scrubber (), contacting the raw non-condensable gas with the scmbbing solution (), to react the ammonia (NH) of the raw non-condensable gas with the scmbbing solution to produce clean non-condensable gas and ammonium (NH). A pulp mill comprising equipment for performing the method.