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MIL-101(Cr)在H_2O_2氧化环己烷反应中的催化性能 被引量：1

Catalytic Performance of MIL-101(Cr) in Oxidation of Cyclohexane With H_2O_2
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摘要 采用水热合成法制备了MIL-101(Cr)催化剂,考察了反应条件对其在H2O2氧化环己烷反应中催化性能的影响。利用XRD、FT-IR和UV-Vis等手段对MIL-101(Cr)反应前后结构的变化进行了表征。结果表明,MIL-101(Cr)在所选择的反应体系中存在Cr析出现象,其结构在以H2O2为氧化剂的反应体系中不稳定,经反应后形成了无定型物质,但催化活性不仅远高于新鲜MIL-101(Cr),而且还在重复利用中表现出良好的稳定性。 MIL-101（Cr）was synthesized via hydrothermal synthesis, and the effects of reaction conditions on its catalytic performance in oxidation of cyclohexane with H2O2 were investigated. The structural changes of MIL-101（Cr） after reaction were characterized by XRD, FT-IR and UV-Vis techniques in detail. The results showed that MIL-101（Cr） was not stable in cyclohexane oxidation with H2O2 and Cr leaching being observed. The crystalline structure of MIL-101（Cr） was completely destroyed and the amorphous after reaction was formed. The formed amorphous material exhibited much higher catalytic activity than the fresh MIL-101（Cr） in cyclohexane oxidation, and could be reused several times without significant change in its catalytic efficiency. MIL-101（Cr） was synthesized via hydrothermal synthesis, and the effects of reaction conditions on its catalytic performance in oxidation of cyclohexane with H2O2 were investigated. The structural changes of MIL-101（Cr） after reaction were characterized by XRD, FT-IR and UV-Vis techniques in detail. The results showed that MIL-101（Cr） was not stable in cyclohexane oxidation with H2O2 and Cr leaching was observed. The crystalline structure of MIL-101（Cr） was completely destroyed and the amorphous after reaction was formed. The formed amorphous material exhibited much higher catalytic activity than the fresh MIL-101（Cr） in cyclohexane oxidation, and could be reused several times without significant change in its catalytic efficiency.
作者 张建功 贺敏 范彬彬 李瑞丰
机构地区 太原理工大学精细化工研究所
出处 《石油学报（石油加工）》 EI CAS CSCD 北大核心 2013年第2期238-242,共5页 Acta Petrolei Sinica(Petroleum Processing Section)
基金 国家自然科学基金项目(20971095) 山西省自然科学基金项目(2010011014-4)资助
关键词 金属有机多孔骨架材料 MIL-101(Cr) 环己烷氧化 H2O2 metal -organic frameworks MIL-101（Cr）；cyclohexane oxidation H2O2
分类号 TQ032 [化学工程]
  • 相关文献

参考文献12

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二级参考文献8

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共引文献2

同被引文献15

  • 1Janiak C.Engineering coordination polymers towards applications[J].Dalton Transactions,2003(14):2781-2804.
  • 2Fajula F,Galarneau A,Renzo F D.Advanced porous materials:New developments and emerging trends[J].Microporous and Mesoporous Materials,2005,82(3):227-239.
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  • 10Ferey G,Mellot-Draznieks C,Serre C,et al.A chromium terephthalate-based solid with unusually large pore volumes and surface area[J].Science,2005,309(5743):2040-2042.

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石油学报（石油加工）
2013年 第2期

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