Method for removing harmful substance in bent gas
AssigneesKanto Denka Kogyo Co., Ltd., Research Institute of Innovative Technology for the Earth, National Institute of Advanced Industrial Science and Technology
InventorsYasuo Nakazawa, Moriyuki Fukushima, Kensuke Suda, Akira Sekiya
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Abstract
A method for removing harmful substances in a vent gas containing a halogen or halogen compound gas remaining in the pipeline of a cylinder cabinet, which comprises contacting the vent gas with a treating agent comprising an alkaline earth metal compound, an alkali metal compound, zeolite, and a carbonaceous material.
Claims12
1-12. (canceled)
A method for removing harmful substances in a vent gas containing a halogen or halogen compound gas remaining in the pipeline of a cylinder cabinet, characterized by bringing the vent gas into contact with a treating agent comprising 60% or more by mass of an alkaline earth metal compound, 1 to 3% by mass of an alkali metal compound, 5 to 37% by mass of zeolite, and 5% by mass or less of a carbonaceous material.
Dependencies are inferred from the claim text.