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:
Nov. 09, 2021
Filed:
Dec. 05, 2019
Applicant:
Rheinkalk Gmbh, Wülfrath, DE;
Inventors:
Assignee:
Rheinkalk GmbH, Wülfrath, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/50 (2006.01); B01D 53/68 (2006.01); B01J 20/04 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01D 53/81 (2006.01); B01D 53/83 (2006.01);
U.S. Cl.
CPC ...
B01D 53/508 (2013.01); B01D 53/685 (2013.01); B01D 53/81 (2013.01); B01D 53/83 (2013.01); B01J 20/041 (2013.01); B01J 20/043 (2013.01); B01J 20/28004 (2013.01); B01J 20/28016 (2013.01); B01J 20/3078 (2013.01); B01D 2251/404 (2013.01); B01D 2251/604 (2013.01); B01D 2251/606 (2013.01); B01D 2253/112 (2013.01); B01D 2253/304 (2013.01); B01D 2257/2045 (2013.01); B01D 2257/2047 (2013.01); B01D 2258/0283 (2013.01);
Abstract
The invention relates to a method for increasing the absorbency of a material containing alkaline-earth carbonate and alkaline-earth hydroxide with regard to sulfur oxides and/or other pollutants, in particular in flue gas, wherein the material containing alkaline-earth carbonate and alkaline-earth hydroxide is activated by heating said material to approximately 250° C. to approximately 750° C. for a time period of 1 minute to 12 hours.