铈镁铝混合氧化物同时吸附NO、SO_2的研究

Study on Reactivity in the Adsorption of SO_2 and NO_x on Ce/Mg/Al Mixed Oxides

用共沉淀法制备了二氧化铈和镁铝水滑石混合物 ,考察了催化剂的制备条件 :晶化时间、焙烧温度、铈含量对该混合氧化物在富氧条件下同时吸附SO2 ,NO的性能影响。结果表明 ,本实验室制备的铈镁铝混合氧化物对SO2 。

The mixture of Mg-Al mixed oxides and ceria was prepared by coprecipitation.The effects of Ce doping amount on the catalyst,calcined temperature and aged times on NO、SO_2 adsoption property were examined and compared.The result showed that,in the presence of NO_x,SO_2 and O_2 the mixture has high activity and excellent adsorptive capacity for NO_x and SO_2 while little adsorption without Ce in the Mg(Al)O。