Abstract: A heat storage body for a regenerative catalytic apparatus is provided, the heat storage body includes: a body unit including a ceramic sintered body containing aluminum oxide, silica, and magnesium oxide, the body unit having a plurality of channels connecting first and second surfaces, located opposite to each other. The heat storage body further including a protective film disposed on a surface of the body unit and inner surfaces of the plurality of channels. The protective film includes an oxide containing a first metal of aluminum and at least one second metal including at least one from among yttrium, zinc, zirconium, tungsten, zinc, and nickel.

Abstract: A catalyst for decomposing perfluorinated compounds is composed of tungsten (W) compound and nickel (Ni) compound as main components and composed of aluminum (Al) compound or silicon (Si) compound as a supporter.

Abstract: A catalyst for decomposing perfluorinated compounds is composed of tungsten (W) and nickel (Ni) as main components and composed of aluminum (Al) or silicon (Si) as a supporter.