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.

Date of Patent:
Feb. 27, 2024

Filed:

Nov. 22, 2021
Applicant:

Shell Oil Company, Houston, TX (US);

Inventors:

Wassim Klink, Houston, TX (US);

Guido Seng, The Woodlands, TX (US);

Wenzhong Zhang, Houston, TX (US);

Andreas Klemt, Leuna, DE;

Paul Benjerman Himelfarb, Katy, TX (US);

Assignee:

SHELL USA, INC., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/86 (2006.01); B01D 53/94 (2006.01); B01J 21/16 (2006.01); B01J 23/22 (2006.01); B01J 23/28 (2006.01); B01J 23/30 (2006.01); B01J 35/04 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01D 53/8631 (2013.01); B01D 53/8625 (2013.01); B01D 53/9409 (2013.01); B01D 53/9431 (2013.01); B01J 21/16 (2013.01); B01J 23/22 (2013.01); B01J 23/28 (2013.01); B01J 23/30 (2013.01); B01J 35/04 (2013.01); F01N 3/2828 (2013.01); B01D 2255/90 (2013.01); B01D 2255/9155 (2013.01); B01D 2255/9205 (2013.01); B01D 2257/402 (2013.01); B01D 2257/404 (2013.01);
Abstract

A reactor for reducing the concentration of NOin a stream comprising: an inlet for the stream; an outlet for a stream containing a reduced concentration of NO; one or more catalyst beds comprising a ceramic or metallic foam with a NOreduction catalyst; one or more flow paths from the inlet to the outlet that passes through at least one catalyst bed wherein the catalyst beds are closed at the top and bottom so that the flow path through the catalyst bed passes through the sides of the catalyst bed in a lateral flow is described.


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