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ZrO_2/SiO_2催化柠檬醛MPV反应活性的研究 被引量：4

Catalyzing activity of ZrO_2/SiO_2 samples in Meerwein-Ponndorf-Verley reduction of citral
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摘要 研究了用浸渍法制备的ZrO2/SiO2样品的比表面积,ZrO2的晶相、样品表面酸碱性质及其催化柠檬醛MPV反应的活性。研究结果表明,ZrO2的负载量是影响催化剂活性的主要因素之一。对于350℃焙烧的ZrO2/SiO2样品,当ZrO2负载量为6.37w%时,ZrO2/SiO2的催化活性和目标产物的选择性达到最大(柠檬醛转化率为89.3%,不饱和醇(geraniol+nerol)的选择性为89%)。 The catalytic activity of ZrO2/SiO2 samples was investigated in Meerwein - Ponndorf- Verley （MPV） reduction of citral with 2-propanol. These ZrO2/SiO2 samples were prepared by impreg- nation method. Their surtace area surface acid property and ZrO2 crystal phase were tested. The results showed that the loading of ZrO2 on silica had important influence on the catalytic activity of these samples in the reaction. The highest activity and selectivity to the reduced alcohol, geraniol and nerol, were observed over 6. 37w% ZrO2/SiO2 sample calcinated at 350℃ under experiment conditions, more than 89% of conversion for citral and selectivity of aim product alcohol were reached.
作者 娄馨月 陈希慧 任利锋
机构地区 广西大学化学化工学院
出处 《广西大学学报（自然科学版）》 CAS CSCD 北大核心 2009年第6期740-743,共4页 Journal of Guangxi University（Natural Science Edition）
基金 广西自然科学基金项目(桂科自0447002)
关键词 ZrO2/SiO2 柠檬醛 MPV还原 ZrO2／SiO2, citral, MPV reduction
分类号 O643.32 [理学—物理化学]
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参考文献11

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共引文献3

同被引文献30

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广西大学学报（自然科学版）
2009年 第6期

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