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:
Apr. 21, 2009
Filed:
Jan. 29, 2004
Shintaro Honjo, Hiroshima, JP;
Kozo Iida, Hiroshima, JP;
Susumu Okino, Hiroshima, JP;
Kazuto Kobayashi, Hiroshima, JP;
Kenichi Okada, Hiroshima, JP;
Naoyuki Kamiyama, Hiroshima, JP;
Shigeru Nojima, Hiroshima, JP;
Yasuhiro Takeuchi, Tokyo, JP;
Tsuyoshi Ohishi, Tokyo, JP;
Shintaro Honjo, Hiroshima, JP;
Kozo Iida, Hiroshima, JP;
Susumu Okino, Hiroshima, JP;
Kazuto Kobayashi, Hiroshima, JP;
Kenichi Okada, Hiroshima, JP;
Naoyuki Kamiyama, Hiroshima, JP;
Shigeru Nojima, Hiroshima, JP;
Yasuhiro Takeuchi, Tokyo, JP;
Tsuyoshi Ohishi, Tokyo, JP;
Abstract
The present invention provides a system for removing mercury in exhaust gas, in which mercury is removed from exhaust gas of a boiler, characterized in that between a denitrification apparatus and a wet type desulfurization apparatus, an NHdecomposition catalyst and a mercury oxidation catalyst are provided, and mercury having been oxidized into mercury chloride is removed by the wet type desulfurization apparatus. Also, it provides a method for removing mercury in exhaust gas, characterized in that the mercury removing method includes an NHdecomposition process and a mercury oxidation process, which are provided between the denitrification process and a wet desulfurization process, and mercury having been oxidized into mercury chloride is removed in the wet desulfurization process.