《Ni_Al_2O_3_Co_Al_2O_3_省略_2O_3催化剂催化乙醇水蒸气重》.pdf

35 3 Vol. 35 No. 3 2009 6 Journal of anzhou University of Technology Jun. 2009 : 1673-5196(2009) 03-0060-05 Ni /Al2O3Co /Al2O3和N-i Co /Al2O3催化剂催化 乙醇水蒸气重整制氢的性能 1, 2 1 1 毛丽萍 , 胡 勋 , 吕功煊 ( 1. , 730000; 2. , 730050) : 利用浸渍法制备 Ni/ Al O Co/ Al O Ni-Co/ Al O 催化剂, 考察催化剂对乙醇水蒸气重整反应的催化 2 3 2 3 2 3 能, 对催化剂进行x 射线衍射(XRD) 表征. 实验结果表明, Ni/ Al O 催化剂具有较好的低温活 , Co/ Al O 催化剂 2 3 2 3 具有较高的氢气选择 和较低的甲烷选择 , 而 N-i Co/ Al O 催化剂表现出良好的催化 能, 有较高的低温活 , 2 3 较高的氢气二氧化碳选择 , 较低的一氧化碳甲烷选择 , 450 e 时乙醇转化率达到 100% , 氢气选择 为 79. 8% , 二氧化碳选择 为91. 9% . : 浸渍法; N-i Co/ Al O ; 乙醇; 水蒸气重整; 制氢 2 3 : O643. 32 : A Performance of catalysts Ni/ Al2 O3 , Co/ Al2 O3 and Ni-Co/ Al2O3 used for preparation of hydrogen from ethanol steam reforming 1, 2 1 1 MAO -i ping , H U Xun , U Gong-xuan ( 1. State Key aboratory for Oxo Synthesis and Selective Ox idation, anzhou Institute of Chemical Physics, Chinese Academy of Sciences, anzhou 730000, China; 2. Colleg e of Petrochemical Technology, anzhou Univ. of T ech. , anzhou 730050, China) Abstract: Catalysts N i/ Al2 O3 , Co/ A l2 O3 and N-i Co/ Al2 O3 were prepared with impregnation method, the catalytic properties of the catalysts for hydrogen production from ethanol steam reforming were inv