| abstract |
According to the present invention, a main component contains a mixture of a solid metal oxide and a solid metal carbonate, the metal being selected from the group of metal elements consisting of Mn, Fe, Ni, Cu, and Zn, and granulating the mixture, An exhaust gas treatment agent comprising a molded article obtained by pelletization or extrusion, and the concentration of exhaust gas containing a low concentration of hydrogenated metal gas and / or organometallic gas is reduced to at least 0.5 ppm by using the treatment agent. It is possible to provide an exhaust gas treatment method. |