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| 摘要: |
| 用H2脉冲色谱测定金属表面积的方法，研究了添加剂La2O3、MgO的添加量对甲烷水蒸汽转化催化剂活性组分镍的分散度的影响。结果 表明，添加La2O3能显著提高金属镍的分散度。La2O3的适宣添加量接近于它在载体表面上的单层分散容量。MgO对分散度的影响较小，但当La2O3、MgO共存时，镍的分散效果最好。 |
| 关键词: 添加剂 氧化镧 氧化镁 甲烷 蒸汽转化催化剂 镍 分散度 |
| DOI： |
| 分类号:TQ221.11 TQ426.94 |
| 基金项目: |
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| THE INFLUENCE OF ADDITIVES La_2O_3,MgO ON THE NICKEL DISPERSITY OF METHANE-STEAM REFORMING CATALYST |
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Yi Luochuan 1 Fu Hongmei 2 Xia Daikuan 2 et al
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| Abstract: |
| The influence of additives La 2O 3, MgO on the Nickel dispersity of a steam-reforming catalyst was studied by means of hydrogen chemisorption on metallic surface. And from our experiment, the following conclusions are drawn:(1)The addition of La 2O 3 |
| Key words: methane,reformimg catalyst,nickel dispersity |
