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| 甲醇完全氧化Ag/γ-Al_2O_3催化剂的制备及性能表征 | |
| 引用本文： | 刘涛,冯流,李钢,张敬畅. 甲醇完全氧化Ag/γ-Al_2O_3催化剂的制备及性能表征[J]. 天然气化工, 2003, 28(6): 5-8 |
| 作者姓名： | 刘涛 冯流 李钢 张敬畅 |
| 作者单位： | 1. 北京化工大学化学工程学院环境工程系,北京,100029 2. 北京市环境保护科学研究院大气所,北京,100037 3. 北京化工大学理学院现代催化研究所,北京,100029 |
| 摘 要： | 分别采用等体积浸渍法和浸渍 沉淀法制备了Ag/γ Al2O3催化剂,在固定床常压连续流动反应器 气相色谱仪组合装置上考察了不同催化剂在甲醇完全氧化中的催化活性,并用XRD、TEM等手段进行了表征。结果表明,以NaOH作为共沉淀剂,采用浸渍 沉淀法制备的Ag/γ Al2O3催化剂负载的Ag含量高,粒子粒径小,分布均匀,且具有最好的甲醇完全氧化活性。 |
| 关 键 词： | 甲醇 Ag/γ-Al2O3催化剂 完全氧化 |
| 文章编号： | 1001-9219(2003)06-05-03 |
| 修稿时间： | 2003-04-30 |
Preparation of Ag/γ-Al2O3 Catalyst for Complete Oxidation of Methanol and Characterization of Catalytic Property |
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| LIU Tao,FENG Liu,LI Gang,ZHANG Jing-chang. Preparation of Ag/γ-Al2O3 Catalyst for Complete Oxidation of Methanol and Characterization of Catalytic Property[J]. Natural Gas Chemical Industry, 2003, 28(6): 5-8 | |
| Authors: | LIU Tao FENG Liu LI Gang ZHANG Jing-chang |
| Affiliation: | LIU Tao~1,FENG Liu~1,LI Gang~2,ZHANG Jing-chang~3 |
| Abstract: | Ag/γ-Al_2O_3 catalysts were prepared by impregnation and impregnation-deposition methods respectively. The complete oxidation of methanol over different catalysts was studied in a fixed-bed flow reactor. By means of XRD, TEM and AAS analyses, the activated phase, the surface features and the Ag content of different catalysts were characterized. The results showed that the catalyst prepared by impregnation-deposition method and using NaOH as the precipitant had the best catalytic activity, Ag loaded on it was the highest, and it also had the minimum grain size and uniform distribution. |
| Keywords: | methanol Ag/γ-Al_2O_3 catalyst complete oxidation |
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