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AssigneeShowa Denko K. K.
InventorsManabu Ohira, Junichi Torisu, Yasuyuki Hoshino, Yuji Sakai, Andrei S. Kuznetsov
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A treating method comprising contacting a fluorine-containing interhalogen compound first with a treating agent for the fluorine component and then with a treating agent for the halogen component, treating agents therefor, and a method for treating exhaust gas containing a fluorine-containing interhalogen compound, comprising filling a treating agent for the fluorine component into the internal cylinder of a treating apparatus having a double cylinder structure consisting of an internal cylinder and an external cylinder, filling a treating agent for the halogen component into the external cylinder, feeding exhaust gas containing a fluorine-containing interhalogen compound into the internal cylinder to travel the internal cylinder and the external cylinder in this order, and then discharging the treated gas from the external cylinder.
A method for treating exhaust gas containing a fluorine-containing interhalogen compound, comprising first contacting the fluorine-containing interhalogen compound with a treating agent for selectively treating a fluorine component to provide a resultant treated exhaust gas and then contacting the resultant treated exhaust gas with a treating agent for treating a halogen component.
A method for treating exhaust gas containing a fluorine-containing interhalogen compound, comprising filling a treating agent for selectively treating a fluorine component into an internal cylinder of a treating apparatus having a double cylinder structure consisting of an internal cylinder and an external cylinder, filling a treating agent for a halogen component into the external cylinder, feeding exhaust gas containing the fluorine-containing interhalogen compound into the internal cylinder to travel the internal cylinder and the external cylinder in sequence, and discharging the gas from the external cylinder.
An apparatus for treating exhaust gas containing a fluorine-containing interhalogen compound, comprising a double cylinder structure consisting of an internal cylinder for housing a treating agent for selectively treating a fluorine component and an external cylinder for housing a treating agent for a halogen component and having an inlet for introducing exhaust gas into the internal cylinder, a path for the exhaust gas to travel from the internal cylinder to the external cylinder and an outlet for discharging the treated exhaust gas from the external cylinder.
Dependencies are inferred from the claim text.