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:
Mar. 19, 1976
Applicant:
Inventors:
Yukio Hishinuma, Hitachi, JA;
Hidetoshi Akimoto, Ibaraki, JA;
Ryuichi Kaji, Hitachi, JA;
Fumito Nakajima, Hitachi, JA;
Yoshijiro Arikawa, Hitachi, JA;
Assignees:
Hitachi, Ltd., BOTH OF, JA;
Babcock-Hitachi Kabushiki Kaisha, BOTH OF, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423235 ; 423387 ; 55 68 ;
Abstract
Nitrogen oxides are removed from a flue gas by wet process, where the flue gas is contacted with a solution of transition metal complex compounds capable of reacting with oxygen in the presence of oxygen, thereby forming oxygen complexes, and the nitrogen oxides are oxidized and absorbed by the oxygen complexes.