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:
Jan. 14, 1986
Filed:
Jul. 27, 1983
Applicant:
Inventors:
Horst Bechthold, Erftstadt-Friesheim, DE;
Heinz J Fischer, Neunkirchen-Seelscheid, DE;
Wolfgang Schulte, Monheim, DE;
Assignee:
Buckau-Walther Aktiengesellschaft, Grevenbroich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C01C / ;
U.S. Cl.
CPC ...
423235 ; 423395 ; 423396 ;
Abstract
A method is provided for removing nitrogen oxides from waste gases, said method comprising the steps of oxidizing the nitrogen oxides in the waste gases by contacting the waste gases in a gas phase with an oxidizing agent to form NO.sub.2 ; absorbing the formed NO.sub.2 in an absorbing stage by contacting the oxidized waste gases with an absorbing agent to form an absorbing product while substituting fresh water for vaporized water in corresponding amounts; and processing the resultant absorbing product as a solution.