| 摘要 |
Provided is a silver-supported alumina catalyst for reducing nitrogen oxides using ethanol, which has the drawbacks of the conventional silver-supported alumina catalysts improved, has high performance, is not likely to deteriorate over time, and has excellent initial performance and durability. A catalyst for purifying nitrogen oxides, which purifies nitrogen oxides in exhaust gas using an alcohol as a reducing agent, and contains alumina, aluminum sulfate and silver as main components.
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