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学科主题物理化学
ETHYLBENZENE OXIDATION WITH O2 OVER MeAPO-5 MOLECULAR SIEVES
Tian P(田鹏); Liu ZM(刘中民); Xie P(谢鹏)
会议名称15th International Zeolite Conference
会议日期2007-8-12
2007-08-12
会议地点中国
其他题名MeAPO-5分子筛上乙苯氧化
页码230/1
部门归属八室
主办者吉林大学
英文摘要Liquid-phase autoxidation of ethylbenzene were studied by using MeAPO-5 (Me=Co, Mn and Cr) as catalysts. It is found that acidic MeAPO-5, as evidenced by NH3-TPD and FT-IR, decomposed ethylbenzene hydroperoxide to phenol (free-radical terminator) and therefore strongly inhibited the reaction. After removal of the mild/strong acid sites in the samples, Na+-CoAPO-5 and Na+-MnAPO-5 selectively yielded ethylbenzene hydroperoxide, while Na+-CrAPO-5 produced acetophenone efficiently. The active energies of oxidation based on Na+-CoAPO-5 and Na+-MnAPO-5 are 72.3 and 55.7KJ/mol, respectively. Experimental results confirmed the heterogeneity of reaction with Na+-CoAPO-5 and Na+-MnAPO-5 as catalysts, but homogeneous reaction occurred in the case of Na+-CrAPO-5.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/112814
专题中国科学院大连化学物理研究所
通讯作者Liu ZM(刘中民)
推荐引用方式
GB/T 7714
Tian P,Liu ZM,Xie P. ETHYLBENZENE OXIDATION WITH O2 OVER MeAPO-5 MOLECULAR SIEVES[C],2007:230/1.
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