| 溶剂对溶胶-凝胶法制备LaMnFe2Al9O19催化剂的影响 |
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| 引用本文： | 任晓光,郑建东,宋永吉,沈国良.溶剂对溶胶-凝胶法制备LaMnFe2Al9O19催化剂的影响[J].石油炼制与化工,2007,38(9):38-41. |
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| 作者姓名： | 任晓光 郑建东 宋永吉 沈国良 |
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| 作者单位： | 北京石油化工学院 北京石油化工学院 |
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| 基金项目： | 国家自然科学基金;北京市属市管高校人才强教计划 |
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| 摘 要： | 摘要 用溶胶凝胶法制备六铝酸盐催化剂LaMnFe2Al9O19，通过BET、XPS、XRD等技术，对催化剂的结构和性质进行了研究，主要考察了在制备过程中不同的醇做溶剂对催化剂结构及其甲烷催化燃烧活性的影响。结果表明：不同醇做溶剂所制备的催化剂LaMnFe2Al9O19 在1200℃焙烧后都可以形成完整的六铝酸盐晶型，且具有较高高温稳定性。同时对于催化剂的的催化性能也有较大的影响，用异丙醇做溶剂所得催化剂的催化活性最高，并保持了较大的比表面积。
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| 关 键 词： | 甲烷 催化燃烧 六铝酸盐 溶胶凝胶法 溶剂 |
| 收稿时间： | 2007-1-10 |
| 修稿时间： | 2007-01-10 |
Effect of solvent on the preparation of LaMnFe2Al9O19 catalysts by sol-gel method |
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| Ren Xiaoguang,Zheng Jiandong,Song Yongji,Shen Guoliang.Effect of solvent on the preparation of LaMnFe2Al9O19 catalysts by sol-gel method[J].Petroleum Processing and Petrochemicals,2007,38(9):38-41. |
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| Authors: | Ren Xiaoguang Zheng Jiandong Song Yongji Shen Guoliang |
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| Affiliation: | 1. Beijing Institute of Petro-chemical Technology, Beijing 102617 ; 2. Beijing University of Chemical Technology ; 3. Shen yang University of Technolony |
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| Abstract: | Abstract: Hexxaaluminate LaMnFe2Al9O19 was prepared by the sol -gel method. During the process the ethanol, isopropanol and n-butanol were used as solvent respectively. The chemical and physical properties of catalysts affected by different solvent were investigated by means of XRD, BET and XPS techniques. The results showed that the catalyst LaMnFe2Al9O19 with good crystallinity was obtained after calcination under oxygen at 1200℃. The catalyst obtained from the isopropanol which was used as solvent exhibited higher catalytic activity in methane combustion. |
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| Keywords: | methane combustion catalyst activity solvent |
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