| CO预处理对CuO/γ-Al2O3催化剂性能的影响 | |
| Effect of CO Pre-treatment on Properties of CuO/γ-Al2O3 Catalyst | |
| 摘要: 采用XRD，TPR，CO吸附in-situ IR，CO氧化反应等对CuO/γ-Al2O3催化剂经CO处理前后的结构、组成和催化性能进行了研究。结果表明，经CO在250 ℃下处理1 h后CuO/γ-Al2O3催化剂中出现了分散态Cu+物种，该物种的产生使催化剂的活性明显提高。 | |
| 关键词: CO吸附 in-situ IR CuO/γ-Al2O3 | |
| 基金项目: | |
| Abstract: The dispersion of copper oxide species on γ-Al2O3 before and after CO-pretreatment was characterized by XRD, H2-TPR and in-situ IR. The catalytic activities of the catalysts for CO oxidation were measured to investigate the influence of the CO-pretreatment on the catalytic properties of these catalysts. The results indicate that the catalysts pretreated by CO at 250 ℃ show a higher activity than the fresh catalysts due to the generation of surface Cu+ species, which enhances the activity of the catalysts. | |
| Keywords: CO adsorption in-situ IR CuO/γ-Al2O3 | |
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| 张丽萍,万海勤,朱捷,宋春燕,刘斌,李丹,董林.CO预处理对CuO/γ-Al2O3催化剂性能的影响[J].无机化学学报,2007,23(3):427-431. | |
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