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| Au／Fe2O3催化剂在CO低温氧化中的催化活性 | |
| 引用本文： | 索掌怀 尚坚. Au／Fe2O3催化剂在CO低温氧化中的催化活性[J]. 燃料化学学报, 1999, 27(5): 451-454 |
| 作者姓名： | 索掌怀 尚坚 |
| 作者单位： | 烟台大学应用催化研究所!烟台264005(索掌怀，安立敦，贺红军)，烟台大学应用化学系!烟台264005(尚坚，金明善) |
| 摘 要： | 制备了过渡金属氧化物分散的金催化剂，考察了该催化剂在ＣＯ低温氧化中的催化活性及其制备条件，如过渡金属氧化物的选择、沉淀剂、催化剂的预处理温度及处理时间、金含量、Ｃｌ－ 、催化剂制备方法及催化剂前体等因素对催化活性的影响。最佳结果显示： 以Ｋ２ＣＯ３ 为沉淀剂、采用共沉淀法制备的１ ％ Ａｕ／Ｆｅ２Ｏ３ 催化剂，可使空气中含１％ 的ＣＯ在２５７Ｋ的低温下完全转化成ＣＯ２ 。 |
| 关 键 词： | 金催化剂 一氧化碳 氧化 |
CATALYTIC ACTIVITYFOR COLOW- TEMPERATURE OXIDATION OVERAu/Fe_2O_3 CATALYST |
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| Suo Zhanghuai An Lidun He Hongjun. CATALYTIC ACTIVITYFOR COLOW- TEMPERATURE OXIDATION OVERAu/Fe_2O_3 CATALYST[J]. Journal of Fuel Chemistry and Technology, 1999, 27(5): 451-454 | |
| Authors: | Suo Zhanghuai An Lidun He Hongjun |
| Affiliation: | Suo Zhanghuai An Lidun He Hongjun (Instituteof Applied Catalysis Yantai University Yantai) ShangJian Jin Mingshan ( Departmentof Applied Chemistry Yantai University Yantai) |
| Abstract: | Preparation of gold catalysts dispersed on metal oxides is reported- The catalytic activity for COlow -temperature oxidation oversupported gold catalystis evaluated by continuousflow microreactor- Theinfluenceofpreparation conditionson catalytic activityis also studied- The best result indicates that 1% (vol-) COin air is oxidized to CO2 with 100% conversion at257Kover1 % Au/Fe2O3catalystprepared by coprecipitation with K2CO3aqueoussolution as precipitant- |
| Keywords: | supported gold catalyst CO low -temperature oxidation |
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