研究了TiO2纳米管阵列负载的MnOx复合物选择性催化还原NOx的性能.结果显示,在150~250℃下该催化剂脱除NOx的效率达90%以上(200℃下为99%以上),表现出优异的中低温脱硝性能.当反应温度更高时,有可能使反应进入努森扩散控制状态,从而在一定程度上抑制了催化反应的进行.
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