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:
Jan. 05, 2021

Filed:

Mar. 28, 2018
Applicant:

Johnson Matthey Public Limited Company, London, GB;

Inventors:

Silvia Alcove Clave, Reading, GB;

Paul Andersen, Audubon, PA (US);

Maria Brandmair, Redwitz an der Rodach, DE;

Manop Huber, Royston, GB;

Michael Nash, Royston, GB;

David Repp, Royston, GB;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01); B01D 53/86 (2006.01); B01D 53/94 (2006.01); B01J 23/22 (2006.01); B01J 23/28 (2006.01); B01J 23/30 (2006.01); B01J 27/199 (2006.01); B01J 35/06 (2006.01);
U.S. Cl.
CPC ...
B01J 27/199 (2013.01); B01D 53/1431 (2013.01); B01D 53/8628 (2013.01); B01D 53/8665 (2013.01); B01D 53/9418 (2013.01); B01D 2251/206 (2013.01); B01D 2251/2062 (2013.01); B01D 2251/2067 (2013.01); B01D 2255/20707 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20769 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/70 (2013.01); B01D 2255/90 (2013.01); B01D 2257/302 (2013.01); B01D 2257/404 (2013.01); B01D 2257/602 (2013.01); B01D 2258/0233 (2013.01); B01D 2258/0283 (2013.01); B01D 2258/0291 (2013.01); B01J 35/06 (2013.01); B01J 2523/00 (2013.01);
Abstract

A catalyst for treating an exhaust gas comprising SO, NOand elemental mercury in the presence of a nitrogenous reductant comprises a composition containing oxides of: (i) Molybdenum (Mo) and optionally Tungsten (W); and (ii) Vanadium (V); and (iii) Titanium (Ti); and (iv) Phosphorus (P), wherein, with respect to the total metal atoms in the composition, the composition comprises: (i) Mo in an amount of less than 2 at. %, and optionally up to 9 at. % W; (ii) from 2.5 to 12 at. % V; (iii) from 85 to 96 at. % Ti, and wherein the composition comprises (iv) P in an atomic ratio to the sum of atoms of Mo, W and V of from 1:2 to 3:2. The values expressed must total 100%.


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