| 摘要 |
PURPOSE:To remove odorous matters in an environment of an instrument or apparatus for room heating, hot water supply, drying, cooking, cold storing, air conditioning or the like for a long period using a catalyst body comprising a zeolite, inorg. binder and inorg. oxide matter with a noble metal deposited on the surface. CONSTITUTION:This catalyst body consists of a zeolite (e.g. copper ion- exchanged A-type zeolite), inorg. binder (e.g. silica) and inorg. oxide matter (e.g. alumina) with a noble metal (e.g. Pt) deposited on the surface. This catalyst body is used normally to adsorb odorous matters and intermittently heated so that the catalyst can maintain the deodorizing ability for a long period. Further, by depositing the noble metal on an inorg. oxide such as alumina, silica, zirconia, and magnesia, the catalytic function of noble metal can be enough used compared with such a case that the noble metal is disposed in pores of zeolite. |
