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. 11, 2011
Filed:
Jan. 17, 2008
Eli Gal, Cupertino, CA (US);
Eli Gal, Cupertino, CA (US);
ALSTOM Technology Ltd, Baden, CH;
Abstract
A gas cleaning system, which is operative for cleaning a process gas containing carbon dioxide and sulphur dioxide, comprises a combined cooling and cleaning system (), and a CO-absorber. The combined cooling and cleaning system () comprises a first gas-liquid contacting device () located upstream of the CO-absorber and operative for cooling the process gas by means of a cooling liquid, and for absorbing into the cooling liquid sulphur dioxide of the process gas, such that a cooling liquid containing sulphate is obtained. The combined cooling and cleaning system () further comprises a second gas-liquid contacting device () located downstream of the CO-absorber and operative for removing ammonia from the process gas, which has been treated in the CO-absorber, by means of bringing the process gas containing ammonia into contact with the cooling liquid containing sulphate.