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. 22, 2011
Filed:
Jun. 13, 2006
Applicants:
Mikko Anttila, Tampere, FI;
Risto Hämäläinen, Tampere, FI;
Seppo Tuominiemi, Pirkkala, FI;
Inventors:
Assignee:
Metso Power Oy, Tampere, FI;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01); B01D 53/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and an apparatus for removing carbon dioxide (CO) from sulphur dioxide containing (SO) flue gases, wherein the flue gases are washed with washing solution in a scrubber, which comprises at least two washing stages. In the first washing stage the flue gases are washed for removing the sulphur dioxide in the flue gases and after that in the second washing stage for removing carbon dioxide (CO). Sodium carbonate solution (NaCO) is used as washing solution in both the first and the second washing stages.