| Fe修饰V_2O_5催化剂催化甲醇与乙醇一步合成异丁醛 |
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| 引用本文： | 王康军,左丹,吴静,裴芳.Fe修饰V_2O_5催化剂催化甲醇与乙醇一步合成异丁醛[J].石油化工,2012,41(7):754-756. |
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| 作者姓名： | 王康军 左丹 吴静 裴芳 |
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| 作者单位： | 1. 沈阳化工大学化学工程学院,辽宁沈阳,110142
2. 东北制药集团股份有限公司,辽宁沈阳,110026 |
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| 基金项目： | 2010年辽宁省教育厅科研项目 |
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| 摘 要： | <正>异丁醛主要来源于丙烯与合成气羰基化反应制正丁醛的副产物,产量很少,难以满足日益增长的需求,严重限制了异丁醛相关产业的发展1]。甲醇与乙醇在催化剂作用下可一步合成异丁醛,这是一条以储量丰富的煤炭、天然气和可再生的生物质资源为源头的合成路线,该路线不仅克服了对石油资源的依赖,而且对进一步推动甲醇、乙醇产业的
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| 关 键 词： | 甲醇 乙醇 异丁醛 铁-钒催化剂 |
One-Step Synthesis of Isobutyraldehyde from Methanol and Ethanol over Fe Modified V2O5 Catalyst |
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| Wang Kangjun
,
Zuo Dan
,
Wu Jing
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Pei Fang.One-Step Synthesis of Isobutyraldehyde from Methanol and Ethanol over Fe Modified V2O5 Catalyst[J].Petrochemical Technology,2012,41(7):754-756. |
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| Authors: | Wang Kangjun Zuo Dan Wu Jing Pei Fang |
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| Affiliation: | 1.College of Chemical Engineering,Shenyang University of Chemical Technology,Shenyang Liaoning 110142,China;2.Northeast General Pharmaceutical Group Co.Ltd.,Shenyang Liaoning 110026,China) |
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| Abstract: | The one-step synthesis of isobutyraldehyde from methanol and ethanol over a Fe modified V2O5(Fe-V) catalyst prepared by a citric acid method was studied.Under the same reaction conditions,59.0% ethanol conversion and 17.7% isobutyraldehyde selectivity were obtained over V2O5 catalyst,and 8.5% ethanol conversion was achieved on Fe2O3 catalyst.However,by using the Fe-V catalyst,the conversion of ethanol and the selectivity to isobutyraldehyde increased to 84.2% and 43.4%,respectively.It was indicated that Fe could improve the activity of V2O5 catalyst.The XRD,TPR and SEM results showed that both the reduction temperature and the particle size of the Fe-V catalyst were lowered and Fe0.12V2O5.16 phase formed due to the addition of Fe,which led to the increases of the ethanol conversion and isobutyraldehyde selectivity. |
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| Keywords: | methanol ethanol isobutyraldehyde iron-vanadium catalyst |
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