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OALib Journal期刊
ISSN: 2333-9721
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蜂窝状cuo/γ？al2o3催化剂表征及其烟气脱硝性能研究
, PP. 30-35
Keywords: 烟气脱硝,催化剂,蜂窝载体,cuo/γ？al2o3
Abstract:
通过浸渍法制备了cuo/γ？al2o3系列催化剂，在模拟烟气脱硝试验装置上考察该催化剂的脱硝性能，并利用比表面积分析仪(bet)、x射线衍射(xrd)对催化剂进行了微观表征分析，研究了cuo的负载量、煅烧温度及ceo2对催化剂表面性能及催化剂脱硝活性的影响。结果表明：随着负载量的增加，cuo的衍射特征峰强度随之增加；cuo负载量对cuo/γ？al2o3催化剂的表面结构有较大影响，随着cuo负载量的增加,试样的比表面积和孔体积均呈减小趋势,而平均孔径略微增大；cuo/γ？al2o3催化剂的活性较高，对no选择性催化还原较为适宜；cuo负载量为7.5%，煅烧温度为500℃时催化剂的no转化率最高可达91.4%，加入ceo2可使催化剂的no脱除效率达到94.5%。
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