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Catalyst system for purifying nitrogen oxide and nitrogen oxide purifying method 发明授权

2023-11-22 4870 176K 0

专利信息

申请日期 2025-07-01 申请号 JP2004055351
公开(公告)号 JP4427356B2 公开(公告)日 2010-03-03
公开国别 JP 申请人省市代码 全国
申请人 Ltd Tokyo220804; Nissan Diesel Motor Co Ltd3908
简介 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.


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