发明名称 |
Nitrogen oxide removing catalysts |
摘要 |
This invention relates to a catalyst for removal of nitrogen oxides in an exhaust gas by adding ammonia to the exhaust gas and hydrogenating catalytically wherein said catalyst is in a two-layered structure comprising a lower layer which is a molded article consisting of components having denitration activity covered with an upper layer which has a abrasion resistance lower than that of the lower layer and which is a coating of particulate components having 2 peaks in its particle size distribution within the range from 0.1 to 50 mu m.
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申请公布号 |
US5863855(A) |
申请公布日期 |
1999.01.26 |
申请号 |
US19960687891 |
申请日期 |
1996.07.26 |
申请人 |
MITSUBISHI JUKOGYO KABUSHIKI KAISHA |
发明人 |
NOJIMA, SHIGERU;IIDA, KOZO |
分类号 |
F23J15/00;B01D53/86;B01D53/94;B01J23/22;B01J23/24;B01J33/00;B01J35/02;B01J37/02;(IPC1-7):B01J35/00;B01J21/00;B01J23/00;B01J29/40 |
主分类号 |
F23J15/00 |
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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