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:
May. 10, 2022
Filed:
Oct. 28, 2016
Applicant:
Casale SA, Lugano, CH;
Inventor:
Jean François Granger, Lugano, CH;
Assignee:
Casale SA, Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/86 (2006.01); B01J 23/22 (2006.01); B01J 29/072 (2006.01);
U.S. Cl.
CPC ...
B01D 53/8628 (2013.01); B01D 53/869 (2013.01); B01D 53/8631 (2013.01); B01D 53/8696 (2013.01); B01J 23/22 (2013.01); B01J 29/072 (2013.01); B01D 2251/2062 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/50 (2013.01); B01D 2257/402 (2013.01); B01D 2257/404 (2013.01); Y02C 20/10 (2013.01);
Abstract
Method for reducing the content of nitrogen oxides NOx and nitrous oxide N2O in an input gas, comprising the steps of: treating said gas with a first amount of a NOx reducing agent in a first de-NOx catalytic bed; treating the effluent of said first de-NOx catalytic bed in at least one de-N2O catalytic bed for removal of N2O; treating the effluent of said at least one de-N2O catalytic bed with a second amount of a NOx reducing agent in a second de-NOx catalytic bed.