| MCM-48掺杂铬对催化活性的影响 |
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| 引用本文： | 魏长平,蔡强,刘延,甄开吉,毕颖丽,庞文琴.MCM-48掺杂铬对催化活性的影响[J].高等学校化学学报,1999,20(6):954-956. |
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| 作者姓名： | 魏长平 蔡强 刘延 甄开吉 毕颖丽 庞文琴 |
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| 作者单位： | 1. 吉林大学化学系, 长春 130023;
2. 吉林大学无机合成与材料制备化学开放实验室, 长春 130023 |
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| 基金项目： | 国家自然科学基金,吉林省科学技术委员会资助 |
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| 摘 要： | 中介孔分子筛MCM-48因其具有三维螺旋孔道结构,且孔径均匀,长程周期性良好及骨架结构稳定等特征而有可能成为有应用前景的工业催化剂1～11].纯硅MCM-48分子筛因无酸性,催化活性极低.
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| 关 键 词： | Cr-MCM-48分子筛催化剂 &alpha -十八碳酸 &alpha -二十碳酸 催化氧化 |
| 收稿时间： | 1999-01-21 |
Influence of Cr Content on Catalytic Oxidation Active in MCM-48 Catalyst |
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| WEI Chang-Ping,CAI Qiang,LIU Yan,ZHEN Kai-Ji,BI Ying-Li,PANG Wen-Qin.Influence of Cr Content on Catalytic Oxidation Active in MCM-48 Catalyst[J].Chemical Research In Chinese Universities,1999,20(6):954-956. |
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| Authors: | WEI Chang-Ping CAI Qiang LIU Yan ZHEN Kai-Ji BI Ying-Li PANG Wen-Qin |
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| Institution: | 1. Department of Chemistry, Jilin University;
2. Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130023 |
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| Abstract: | A series of MCM48 contained chromium mesoporous molecular sieve, prepared by hydrothermal crystallization and characterized by IR, PyIR, XRD and TGDTA, were used to catalyze the oxidation of octadecanol and eicosanol to the corresponding acid. The evaluation of the catalytic properties indicated that Cr content affected the catalytic oxidation activity. The catalyst with 5%Cr gave the highest yield of octadecanoic acid and eicosanic acid. Depending on the amount Lewis acid sites in the samples, the reaction products were monitored by using IR technique, and the obtained results were consistent with that of chemical analysis. |
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| Keywords: | CrMCM48 molecular sieve catalyst Octadecanoic acid Eicosanoic acid Catalytic oxidation |
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