摘要 |
<p>Provided in a catalyst system are: a first reaction part fitted with a first catalyst containing, as active constituents, at least, a complex oxide consisting of two or more oxides selected from among silica, alumina, titania, zirconia, and tungsten oxide, and a rare earth metal or transition metal (except Cu, Co, Ni, Mn, Cr, and V); and a second reaction part fitted with a second catalyst containing, as active constituents, at least, a noble metal and a silica-alumina type complex oxide.</p> |
申请人 |
TOKYO ROKI CO. LTD.;NISSAN DIESEL MOTOR CO., LTD. |
发明人 |
MORI, TAKAYUKI;IWAMI, NOBUYA;KUMAGAI, TAKAYUKI;KANAYA, ISAMU;UENO, HIROKI;HIRATA, KIMINOBU |