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:
Mar. 28, 1978
Filed:
Oct. 13, 1976
Applicant:
Inventors:
Akira Kato, Hitachi, JA;
Shimpei Matsuda, Hitachi, JA;
Shigeo Uno, Hitachi, JA;
Jinichi Imahashi, Hitachi, JA;
Fumito Nakajima, Hitachi, JA;
Assignee:
Hitachi, Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01C / ;
U.S. Cl.
CPC ...
423237 ; 252469 ; 423351 ;
Abstract
A process for treating an exhaust gas containing substantially only ammonia gas and oxygen gas as reactants to decompose catalytically the ammonia gas to nitrogen and water, which comprises contacting at an elevated temperature the exhaust gas with a catalyst consisting essentially of the oxides of titanium, copper and a member selected from the group consisting of molybdenum, tungsten, vanadium, cerium, iron and mixtures thereof. The ammonia gas is catalytically decomposed in accord with the following chemical reaction: