METHOD FOR REMOVING HALOGEN GAS

PROBLEM TO BE SOLVED: To provide a method for removing a halogen gas which suppresses ignition of an adsorbent, is high in throughput of the halogen gas, and reduces an odor of a used adsorbent and generation of solid wastes. SOLUTION: Hydrogen carbonate having an average particle size of a primary...

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Hauptverfasser:	KAWABE YOSHIKATSU, HIRANO HACHIRO, MORI YOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for removing a halogen gas which suppresses ignition of an adsorbent, is high in throughput of the halogen gas, and reduces an odor of a used adsorbent and generation of solid wastes. SOLUTION: Hydrogen carbonate having an average particle size of a primary particle of 10 to 500 μm is granulated, and the obtained granule containing the hydrogen carbonate (provided except sodium hydrogencarbonate) of 70 mass% or more is brought into contact with the halogen gas at temperatures of 50°C or higher and also at less than 80°C to remove it. COPYRIGHT: (C)2011,JPO&INPIT