发明名称 |
ADSORPTION MATERIAL FOR NITROGEN OXIDES AND EXHAUST EMISSION CONTROL CATALYST. |
摘要 |
An adsorption material exhibiting a superior adsorption capability relative to nitrogen oxides (NO) is constituted by a ceramic of oxide system having an average crystal diameter D, D < 500 ANGSTROM such as CeO2. A catalyst is, for example, constituted by CeO2 and zeolite and C content of CeO2 is set to satisfy 10 weight % </= C </= 80 weight %. Zeolite adsorbs hydrocarbon (HC), and HC so adsorbed is oxidized to activated CHO by CeO2. Activated CHO reduces NO adsorbed to CeO2. <IMAGE> |
申请公布号 |
EP0671208(A1) |
申请公布日期 |
1995.09.13 |
申请号 |
EP19940927802 |
申请日期 |
1994.09.29 |
申请人 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA |
发明人 |
SATOH, NAOHIRO;TERADA, KAZUHIDE;NARISHIGE, TAKESHI;FUJISAWA, YOSHIKAZU |
分类号 |
B01D53/56;B01D53/02;B01D53/81;B01D53/86;B01D53/94;B01J20/06;B01J23/10;B01J29/06;B01J29/40;B01J29/42;B01J29/44 |
主分类号 |
B01D53/56 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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