发明授权
US5985225A Nitrogen oxides reduction catalyst and process for reducing nitrogen
oxides in exhaust gas
失效
氮氧化物还原催化剂和还原废气中氮氧化物的方法
- 专利标题: Nitrogen oxides reduction catalyst and process for reducing nitrogen oxides in exhaust gas
- 专利标题(中): 氮氧化物还原催化剂和还原废气中氮氧化物的方法
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申请号: US849557申请日: 1997-08-28
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公开(公告)号: US5985225A公开(公告)日: 1999-11-16
- 发明人: Hirofumi Ohtsuka , Takeshi Tabata , Osamu Okada , Giuseppe Bellussi , Luigina Maria Flora Sabatino
- 申请人: Hirofumi Ohtsuka , Takeshi Tabata , Osamu Okada , Giuseppe Bellussi , Luigina Maria Flora Sabatino
- 申请人地址: JPX Osaka ITX San Donato Milanese
- 专利权人: Osaka Gas Company Limited,Eniricerche S.p.A.
- 当前专利权人: Osaka Gas Company Limited,Eniricerche S.p.A.
- 当前专利权人地址: JPX Osaka ITX San Donato Milanese
- 优先权: JPX7-259829 19951006
- 主分类号: B01D53/86
- IPC分类号: B01D53/86 ; B01J29/072 ; B01J29/76 ; B01J29/78 ; B01D53/56
摘要:
The present invention relates to a catalyst for reduction of nitrogen oxides in exhaust gas containing oxygen by hydrocarbons, which comprises cobalt-loaded zeolite not showing a Raman spectral band assignable to cobalt oxide (Co.sub.3 O.sub.4).
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