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:
Apr. 24, 1990
Filed:
Aug. 09, 1988
Applicant:
Inventors:
Assignee:
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
423239 ; 4232155 ; 423235 ; 423240 ; 423244 ; 55 68 ; 55 71 ; 55 73 ;
Abstract
A process for the systematic treatment of exhaust gases which comprises the steps of injecting a neutralizing absorbent and an auxiliary agent into the exhaust gas and passing the exhaust gas through a filter which has been precoated with the auxiliary agent, as used above, whereby the neutralizing absorbent and the auxiliary agent are permitted to deposit as a layer on the precoated filter and are able to collect the acidic gas components and dust in the exhaust gas and blowing ammonia into the emitted purified exhaust gas so that nitrogen oxides in the exhaust gas are reduced, in the presence of a denitrating catalyst, into nitrogen gas.