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A Novel MnOx Supported Palygorskite SCR Catalyst for Lower Temperature NO Removal from Flue Gases
Ammonia TPD Low-Temperature SCR Manganese Oxides Palygorskite
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2011/11/14
Palygorskite supported manganese oxide catalysts (MnOx/PG) were prepared for lower temperature selective catalytic reduction (SCR) of NOx by NH3. Catalyst’s SCR activity was estimated at varied temper...
Mn/Fe-Mn改性HZSM-5在NH3-SCR中的催化性能
离子交换 HZSM-5 选择性催化还原 一氧化氮
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2012/3/16
采用离子交换法制备了不同Mn含量及不同Fe/Mn物质的量比的HZSM-5改性分子筛,并以NH3为还原剂,在体积空速为12000h-1条件下,考察了上述催化剂选择性催化还原NO性能.同时,运用环境扫描电镜(ESEM)、比表面积(BET)和X-射线衍射(XRD)等方法对催化剂进行了表征.结果表明,改性催化剂中活性组分在载体表面呈高度分散形式,催化活性较高,复合改性较单独改性性能更为优越,适量Fe的加入...