铁锰双组分氧化物催化剂低温催化还原性能表征研究
摘要
本文采用X射线衍射和比表面积分析手段对铁锰双组份金属氧化物催化剂良好的NH3低温选择性催化还原NO性能原因进行基础的表征研究分析。结果显示,铁锰双组份复合的金属氧化物催化剂具有利于低温SCR反应进行的物相结构,较高的比表面积,从而催化剂在单位面积内的催化活性位数增加。
引文
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[2]钟标城,周广英,叶代启.Fe掺杂对Mn O_x催化剂结构性质及低温SCR反应机制的影响[J].环境科学学报,2011,31(10):2091-2101.
[3]Silver R G,Stefanick M O,Todd B I,et al.A study of chemical aging effects on HDD Fe–zeolite SCR catalyst[J].Catalysis Today,2008,72:142-149.
[4]Flavia G,Bibiana P,Luis E et al.Manganese and iron oxides as combustioncatalysts of volatile organic compounds[J].Applied Catalysis B:Environmental,2009,92:194-200.
[5]Tang X L,Hao J M,Xu W G,Li J H.Low temperature selective catalytic reduction of NOx with NH3over amorphous Mn Ox catalysts prepared by three methods[M].Catalysis Communications,2007,08:329-33.