| 双金属MEL结构杂原子分子筛催化性能的研究 |
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| 引用本文： | 王亚军,唐祥海,朱瑞芝,潘履让,Wang Yajun,Tang Xianghai,Zhu Ruizhi,Pan Lürang.双金属MEL结构杂原子分子筛催化性能的研究[J].南开大学学报,2000,33(1):46-49. |
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| 作者姓名： | 王亚军 唐祥海 朱瑞芝 潘履让 Wang Yajun Tang Xianghai Zhu Ruizhi Pan Lürang |
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| 作者单位： | 南开大学化学系!天津，300071，南开大学化学系!天津，300071，南开大学化学系!天津，300071，南开大学化学系!天津，300071 |
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| 基金项目： | 国家重点自然科学基金!( 2 9873 0 2 4 )，中国石油化工集团公司资助课题!( X5970 1 3 ) |
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| 摘 要： | 研究了Ｈ２Ｏ存在下双金属ＣｒＣｏ－、ＶＣｒ－、ＶＣｏ－、ＶＮｉ－、ＣｒＮｉＭＥＬ结构杂原子分子筛对环己醇、２－丁醇、２－丙醇、环己烯的选择氧化催化性能，并考察了反应温度及Ｈ２Ｏ２浓度对环己烯催化氧化反应的影响。结果表明，反应物不同，活性亦不同，其顺序为环为已烯〉环己醇〉２－丁醇〉２－丙醇；ＣｒＮｉ、ＣｒＣｏＭＥＬ分子筛活性较高，而ＶＣｏ－、ＶＣｒ－、ＶＮｉＭＥＬ分子筛活性较低，反应温度和Ｈ２Ｏ２浓
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| 关 键 词： | 杂原子分子筛 MEL结构 催化性能 双金属分子筛 |
| 修稿时间： | 1999-06-23 |
STUDIES ON THE CATALYTIC PROPERTIES OF METALLOSILICATE MOLECULAR SIEVES WITH MEL STRUCTURE |
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| Wang Yajun,Tang Xianghai,Zhu Ruizhi.STUDIES ON THE CATALYTIC PROPERTIES OF METALLOSILICATE MOLECULAR SIEVES WITH MEL STRUCTURE[J].Acta Scientiarum Naturalium University Nankaiensis,2000,33(1):46-49. |
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| Authors: | Wang Yajun Tang Xianghai Zhu Ruizhi |
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| Abstract: | The catalytic activity of MEL structured silicalites simultaneously containing vanadium and cobalt, vanadium and chromium, chromium and cobalt, vanadium and nickel as well as chromium and nickel has been evaluated with the selective oxidation of alcohols and cyclohexene in the presence of dilute hydrogen peroxide. Effects of reaction temperature and hydrogen peroxide concentration on the oxidation of cyclohexene have also been investigated. It reveals that for the substrates the activity decreased in the order of cyclohaxene>cyclohaxanol>2 butanol>2 propanol. CrNiMEL and CrCoMEL exhibited higher catalytic activity as compared with VCoMEL, VNiMEL and VCrMEL. Reaction temperature and hydrogen peroxide concentration show significantly influence on the oxidation of cyclohexene. |
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| Keywords: | metallosilicate molecular sieves MEL structure catalytic property selective oxidation dilute hydrogen peroxide |
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