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:
Oct. 28, 2008
Filed:
Dec. 11, 2003
Hiroshi Shimada, Hiroshima, JP;
Yousuke Oka, Hiroshima, JP;
Hiroshi Shimada, Hiroshima, JP;
Yousuke Oka, Hiroshima, JP;
The Chugoku Electric Power Co., Inc., Hiroshima, JP;
Abstract
To provide a method for recovering performance of a discharge gas processing apparatus, the method being capable of recovering NOremoval performance of a deteriorated NOremoval catalyst without replacing the deteriorated NOremoval catalyst with a new catalyst and without adding a new catalyst. After a honeycomb catalysthaving gas conduits for feeding a gas to be treated has been placed and used in a discharge gas conduit of a discharge gas processing apparatus, the honeycomb catalystis rearranged such that a portion of the honeycomb catalyst—the portion being on the upstream side in terms of the flow of the gas to be treated and extending to cover a predetermined range is transferred from the inlet side of the discharge gas conduit.