Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Method for removing halogen series gas
A method for removing a halogen series gas, which comprises contacting a gas containing a halogen series gas forming at least one kind selected from the group consisting of HF, HCl, HBr and HI by water with a granule containing from 60 to 99.9 mass % of a solid base and from 0.1 to 40 mass % of a carbonaceous material to the total mass amount of the granule in the presence of water.
Asahi Glass Company, Limited
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Yoichi Hisakazu Hachiro
Mori Arima Hirano