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:
Sep. 27, 2005
Filed:
Nov. 17, 2000
Yoichi Mori, Kanagawa-ken, JP;
Takashi Kyotani, Kanagawa-ken, JP;
Toyoji Shinohara, Tokyo, JP;
Ebara Corporation, Tokyo, JP;
Abstract
An apparatus for treatment of a waste gas, containing fluorine-containing compounds, comprises: a solids treating device for separating solids from the waste gas; an addition device for adding Hand/or HO, or Hand/or HO and O, as a decomposition assist gas to the waste gas leaving the solids treating device; a thermal decomposition device that is packed with γ-alumina heated at 600–900° C., and which thermally decomposes the waste gas to which the decomposition assist gas has been added; an acidic gas treating device for removing acidic gases from the thermally decomposed waste gas; and channels or lines for connecting these devices in sequence. The apparatus preferably includes an air ejector which is capable of adjusting an internal pressure of the apparatus.