| CO在Ni/Al2O3催化剂上的歧化和氧化反应 |
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| 引用本文： | 李春义,余长春,沈师孔.CO在Ni/Al2O3催化剂上的歧化和氧化反应[J].催化学报,1998,19(5):463-466. |
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| 作者姓名： | 李春义 余长春 沈师孔 |
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| 作者单位： | 石油大学天然气催化转化实验室 |
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| 摘 要： | Ｐｅｎａ等［１］认为ＣＯ的歧化反应是甲烷部分氧化制合成气反应中积碳的来源之一．Ｃｌａｒｉｄｇｅ等［２］在研究不同温度下负载型Ｎｉ催化剂对纯甲烷和纯ＣＯ的碳形成的催化作用时发现，在不同温度下催化剂对甲烷分解和ＣＯ歧化反应的催化程度不同，在甲烷部分氧化的...
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| 关 键 词： | CO Ni Al2O3 歧化 氧化 |
| 收稿时间： | 1998-10-25 |
BOUDOUARD AND OXIDATION REACTIONS OF CO OVER Ni/Al 2O 3 |
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| Li Chunyi,Yu Changchun,Shen Shikong.BOUDOUARD AND OXIDATION REACTIONS OF CO OVER Ni/Al 2O 3[J].Chinese Journal of Catalysis,1998,19(5):463-466. |
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| Authors: | Li Chunyi Yu Changchun Shen Shikong |
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| Abstract: | Both disproportionation and oxidation of CO over Ni/Al 2O 3 were studied using transient response kinetic analysis at atmospheric pressure and 973 K. The results show that disproportionation of CO is difficult to occur and thermodynamically unfavorable at 973 K. However, oxidation of CO proceeds easily under the experimental conditions. It was found that CO is oxidized easily to CO 2 by weak reversibly adsorbed oxygen and is difficult to be oxidized by NiO relatively. That supports our direct oxidation mechanism and explains well why the selectivity for CO is very high in the process of partial oxidation of methane. |
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| Keywords: | Nickel Alumina Carbon monoxide Disproportionation Oxidation Partial oxidation of methane Transient response |
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