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. 21, 2015
Filed:
Nov. 26, 2009
Nicole Schodel, Munich, DE;
Hans Jorg Zander, Munich, DE;
Florian Winkler, Munich, DE;
Roland Ritter, Dresden, DE;
Torsten Stoffregen, Dresden, DE;
Nicole Schodel, Munich, DE;
Hans Jorg Zander, Munich, DE;
Florian Winkler, Munich, DE;
Roland Ritter, Dresden, DE;
Torsten Stoffregen, Dresden, DE;
Linde AG, Munich, DE;
Abstract
A process for removing impurities, in particular oxides of sulphur (SO) and/or oxides of nitrogen (NO) from oxygen-containing gas streams by scrubbing with at least one washing agent is described. In order to achieve effective gas purification in an economical manner even in the case of so-called large 'oxyfuel' furnaces which operate with oxygen as fuel gas, it is proposed to convert the impurities at an elevated pressure of at least 2 bar with at least one basic constituent of the washing agent into salts and to wash out said impurities as dissolved salts.