Catalytic oxidation of cyclohexene with H<sub>2</sub>O<sub>2</sub> on V-MCM-41

YANG Xiuzhou; XU Chenghua; LIU Jianying; ZHONG Yan; ZHENG Liangke; YE Zhixiang

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Catalytic oxidation of cyclohexene with H₂O₂ on V-MCM-41

更新时间：2025-12-10

- Catalytic oxidation of cyclohexene with H₂O₂ on V-MCM-41
- CIESC Journal Issue 9, Pages: 2203-2209(2009)
- 作者机构：
  
  成都信息工程学院资源环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 September 2009，
  
  Published：05 September 2009
- 稿件说明：
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YANG Xiuzhou, XU Chenghua, LIU Jianying, et al. Catalytic oxidation of cyclohexene with H₂O₂ on V-MCM-41[J]. CIESC Journal, 2009, (9): 2203-2209.
DOI：

YANG Xiuzhou, XU Chenghua, LIU Jianying, et al. Catalytic oxidation of cyclohexene with H₂O₂ on V-MCM-41[J]. CIESC Journal, 2009, (9): 2203-2209. DOI：

摘要

采用水热法合成了V-MCM-41，并用ICP-AES、FTIR、DRS-UV-Vis、XRD、BET等技术对其进行了表征，发现只有部分V进入分子筛，所合成的V-MCM-41具有较高的结晶度，并且其结晶度随晶化液中V/Si摩尔比的增大而升高。V-MCM-41催化环己烯/H2O2氧化反应结果表明，当V-MCM-41中V含量大于1.10%（摩尔分数）时，骨架V-O-V物种在催化环己烯氧化反应的同时，也可加速H2O2的分解;乙腈是该反应体系的最佳溶剂，最佳反应温度为70℃。最佳反应结果表明，环己烯的单程转化率和H2O2有效利用率可分别达到23.91%和95.4%。

Abstract

V-MCM-41 mesoporous materials were synthesized by the hydrothermal method

and characterized by powder X-ray diffraction

ICP-AES

FTIR

diffuse reflectance UV-Vis and N2 adsorption-desorption.The results showed that a part of vanadium ions were incorporated into the MCM-41 framework and all synthesized samples exhibited a high crystallinity that increased with increasing molar ratio of V/Si in the synthesis gels.The results of cyclohexene oxidation catalyzed by V-MCM-41 indicated that its catalytic activity decreased in cyclohexene selective oxidation when the V content was larger than 1.10% due to the presence of V-O-V species.And at the same time

acetonitrile was also found to be the best solvent for the V-MCM-41 catalyzed cyclohexene oxidation with H2O2

and the optimum reaction temperature was 70℃.The reaction results showed that cyclohexene conversion and H2O2 utilization could reach 23.91%(mol) and 95.4%(mol) under the optimum reaction conditions

respectively.

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Catalytic oxidation of cyclohexene with H2O2 on V-MCM-41

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Catalytic oxidation of cyclohexene with H₂O₂ on V-MCM-41