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钼钒磷杂多酸的合成及催化性能研究

Study on the Synthesis of Heteropoly Acids Containing Different Amount of V and Moand Their Catalytic Performance for the Direct Hydroxylation of Benzene to Phenol

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【Author】 ZHANG Jin1,2 TANG Ying2 LUO Qian1 JIAN Min1 HU Chang-Wei*,1(1Key Laboratory of Green Chemistry and Technology of Ministry of Education,College of Chemistry, Sichuan University, Chengdu 610064)(2Department of Chemistry, Western Chongqing University, Chongqing 402168)

【机构】绿色化学与技术教育部重点实验室,四川大学化学学院,渝西学院化学系,绿色化学与技术教育部重点实验室,四川大学化学学院,绿色化学与技术教育部重点实验室,四川大学化学学院,绿色化学与技术教育部重点实验室,四川大学化学学院成都610064；渝西学院化学系,重庆402168,重庆402168,成都610064,成都610064,成都610064；

【Abstract】 Three heteropoly acids containing different amounts of V and Mo have been prepared by multi-step method. The methed was simple, economic in raw materials’ cost, and with relatively higher yield. ICP, TGA, Potentiometric Titrations, Infrared, XRD and 51V NMR characterizations revealed that the compounds synthesized in present work had Keggin structure. The catalytic performance of the heteropoly acids obtained for the direct hydroxylation of benzene to phenol was also investigated, 26% phenol yield with more than 90% selectivity was obtained.更多还原

【关键词】钼钒磷；杂多酸；合成；催化性能；
【Key words】 vanadium-substituted polyoxomolybdates heteropolyacid synthesis catalytic direct hydroxylation of benzene；

【基金】国家自然科学基金(No.20072024);高等学校优秀青年教师教学科研奖励计划(2002年)资助项目。

【文献出处】无机化学学报 ,Chinese Journal of Inorganic Chemistry , 编辑部邮箱 ,2004年08期

【分类号】O614
【被引频次】73
【下载频次】1355

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