By means of TPR,TPD,the existence of oxygen-containing groups on various kinds of ACF (including HNO３ modified and Cu modified ACF) were pr oved.The reaction of NO with various ACF was carried in a micro-reactor system and the products of this reaction were analyzed.The existence of oxygen-contain ing groups on ACF affects the NO removal reaction seriously.The effect of NO on this reaction was studied,too.%利用程序升温还原(TPR)、程序升温脱附(TPD) 等试验方法，证明了未改性、硝酸基、铜基的活性碳纤维(ACF)上存在含氧基团。在微型反应器中对这些ACF与 NO 的反应产物进行了定量测定，发现NO脱除与ACF含氧量和表面含氧基团存在及分布有关。还考察了CO的存在对该反应的影响。
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