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. 27, 2012
Filed:
Jun. 19, 2007
Applicants:
Brian S. Higgins, Walnut Creek, CA (US);
Klaus Oehr, Surry, GB;
Eric Fischer, Orinda, CA (US);
Inventors:
Assignee:
Nalco Mobotec, Inc., Naperville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/08 (2006.01); B01D 53/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for treating a coal combustion flue gas. In one embodiment, the method includes injecting a halogen into a flue gas, and injecting partially combusted, carbon enriched alkaline coal ash solid particles into the flue gas ahead of a particulate collection device. In another embodiment, the method includes exposing partially combusted, carbon enriched alkaline coal ash solid particles to a halogen containing atmosphere, and injecting the halogen atmosphere treated alkaline carbon containing solid particles into the flue gas ahead of a particulate collection device.