| 不同金属在催化脱硝过程中作用研究 |
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| 引用本文： | 王晓波,王芳,姚桂焕,归柯庭.不同金属在催化脱硝过程中作用研究[J].工程热物理学报,2011(8). |
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| 作者姓名： | 王晓波 王芳 姚桂焕 归柯庭 |
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| 作者单位： | 东南大学能源与环境学院; |
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| 基金项目： | 国家自然科学基金资助项目(No.50576013) |
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| 摘 要： | 采用共浸渍法和分步浸渍法在氧化铝载体上通过调节金属元素的负载量和负载顺序制备了多种催化剂,测试了其在NH3作为还原剂条件下的低温催化脱硝活性,研究各种活性组分在脱硝过程中的作用,考察浸渍顺序对脱硝性能的影响。在(?)(NO)=500×10~(-6),n(NH_3):n(NO)=1:1和(?)(O_2)=3.6%的条件下进行试验,结果表明,Mn在脱硝反应中是主要的活性组分,而Fe和Zr是助催化组分;浸渍顺序对催化剂脱硝活性有一定影响;当Fe负载量达到10%时,制备的催化剂5Zr-5Mn-10Fe/Al_2O_3脱硝活性最佳。
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| 关 键 词： | 浸渍法 脱硝 催化剂 脱除率 |
Effect of Different Metals for Low Temperature Selective Catalytic Reduction of NO |
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| WANG Xiao-Bo WANG Fang YAO Gui-Huan GUI Ke-Ting.Effect of Different Metals for Low Temperature Selective Catalytic Reduction of NO[J].Journal of Engineering Thermophysics,2011(8). |
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| Authors: | WANG Xiao-Bo WANG Fang YAO Gui-Huan GUI Ke-Ting |
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| Affiliation: | WANG Xiao-Bo WANG Fang YAO Gui-Huan GUI Ke-Ting (School of Energy and Environment,Southeast University,Nanjing 210096,China) |
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| Abstract: | Various catalysts were prepared on the alumina carrier by adjusting the loadings and the load sequence of metals with co-impregnation and step impregnation method.The catalytic activity of these catalysts for denitration with NH_3 as reducing agent at low temperature was tested.In addition, the effect of various active components in denitration process and the influence of impregnation sequence on denitration performance were investigated in this paper.The experiments were carried on with the condition of(?... |
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| Keywords: | impregnation method denitration catalyst removal efficiency |
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