| K^+和Al^3^+对锌-钴复合氧化物结构与催化性能的影响 |
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| 引用本文： | 朱波,袁贤鑫,葛玉平,金松寿,吕光烈,吴红丽.K^+和Al^3^+对锌-钴复合氧化物结构与催化性能的影响[J].化学学报,1995,53(4):349-352. |
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| 作者姓名： | 朱波 袁贤鑫 葛玉平 金松寿 吕光烈 吴红丽 |
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| 作者单位： | 杭州大学化学系;杭州大学中心实验室 |
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| 摘 要： | 本文采用共沉淀法制备锌-钴复合氧化物, 并添加K^+, Al^3^+离子考察对其结构及性能的影响。XRD和Rietveld结构修正结果表明, K^+, Al^3^+的掺入对锌-钴正尖晶石复合氧化物氧参数μ的影响呈相反趋势。通过H~2的TPR, TPD-MS和一氧化碳氧化反应实验对复合氧化物的催化氧化活性研究, 发现K^+对催化剂的氧化活性有促进作用, 而Al^3^+则抑制其氧化活性, 与氧参数的变化相对应。
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| 关 键 词： | 催化剂 钾离子 铝离子 复氧化物 催化活性 |
Effect of adding K^+ and Al^3^+ on the structure and properties of Zn-Co complex oxides |
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| ZHU BO,YUAN XIANXIN,GE YUPING,JIN SONGSHOU,LU GUANGLIE,WU HONGLI.Effect of adding K^+ and Al^3^+ on the structure and properties of Zn-Co complex oxides[J].Acta Chimica Sinica,1995,53(4):349-352. |
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| Authors: | ZHU BO YUAN XIANXIN GE YUPING JIN SONGSHOU LU GUANGLIE WU HONGLI |
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| Abstract: | The Zn-Co complex oxides were prepared by the method of coprecipitation. The effect of adding K^+ and Al^3^+ on these oxides was investigated. According to the Rietveld structure Refinement of powder X-ray diffraction, it is found that the addition of K^+ and Al^3^+ produces opposite effect on the oxygen parameter of the spinels. The results of the TPR、TPD-MS and CO oxidation show that the addition of K^+ promotes the catalytic oxidation activity of Zn-Co complex oxide, but Al^3^+ refrains the catalytic oxidation activity. The influence of addition of K^+ and Al^3^+ on the oxygen parameters may be related to the oxidation activities closely. |
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| Keywords: | CATALYST POTASSIUM ION ALUMINIUM ION DOUBLE OXIDE CATALYTIC ACTIVITY |
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