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

Nitrogen oxides reduction catalyst and process for reducing nitrogen
oxides in exhaust gas
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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