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:
Oct. 02, 2001
Filed:
Oct. 22, 1998
Applicant:
Inventors:
Armin Fröhlich, Kall-Sötenich, DE;
Maria Regina Mönnig, Köln, DE;
Siegfried Happrich, Kall-Sötenich, DE;
Assignee:
Rheinkalk GmbH & Co. KG, Wulfrath, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 2/100 ; C04B 2/70 ;
U.S. Cl.
CPC ...
C01B 2/100 ; C04B 2/70 ;
Abstract
A method and an apparatus to reduce NO,emissions in the exhaust gas from installations that form NO,as a result of combustion processes, such as the production of cement clinker, in which the NO,decomposition occurs in the temperature range from approximately 450° C. to approximately 850° C. and in an oxidizing atmosphere with a fuel-air ratio (Lambda) approximately equal to 1.