| 脱铝超稳Y沸石催化环己醇脱水制备环己烯 |
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| 引用本文： | 张敏,袁先友.脱铝超稳Y沸石催化环己醇脱水制备环己烯[J].精细化工,2000,17(5):287-289. |
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| 作者姓名： | 张敏 袁先友 |
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| 作者单位： | 零陵师范高等专科学校,化学系,湖南,永州,425000 |
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| 基金项目： | 湖南省自然科学基金!资助项目 ( 94 -2 0 9-1 5) |
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| 摘 要： | 研究了脱铝超稳Y沸石催化环己醇脱水制环己烯的反应 ,考察了催化剂硅铝比、催化剂用量、反应物配比、反应温度和反应时间对脱水反应的影响。结果表明 :在催化剂硅铝比为 1 0 99,催化剂用量为环已醇质量的 7 5% ,油浴温度为 1 80～ 1 90℃ ,反应 1h ,环已烯产率达 87 8% ,催化剂可重复使用。
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| 关 键 词： | 环己烯 环己醇 脱铝超稳Y沸石 催化 脱水 |
Preparation of Cyclohexene by Dehydration of Cyclohexanol on Dealuminated USY |
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| ZHANG-Min,YUAN Xian-you.Preparation of Cyclohexene by Dehydration of Cyclohexanol on Dealuminated USY[J].Fine Chemicals,2000,17(5):287-289. |
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| Authors: | ZHANG-Min YUAN Xian-you |
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| Affiliation: | ZHANG-Min,YUAN Xian-you;
(Department of Chemistry,Lingling Teachers |
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| Abstract: | Preparation of cyclohexene by dehydration of cyclohexanol on dealuminated USY was studied.The influences of silica/alumina in the catalyst,catalyst amount,reaction temperature and time on the reaction were investigated.The most suitable conditions for the reaction were as follows:molar ratio of SiO 2/Al 2O 3 in catalyst 10.99,mass ratio of catalyst to cyclohexanol 7 5%,reaction temperature(oil bath) 180-190 ℃,reaction time 1 h.The yield was up to 87 8%,and the catalyst was reusable. |
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| Keywords: | cyclohexene cyclohexanol dealuminated USY catalysis dehydration Foundation item:Granted by the natural science fund of Hunan province(94-209-15) |
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