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学科主题物理化学
Metal-containing molecular sieves as catalysts for the selective oxidation of cyclohexane by oxygen
Tian P(田鹏); Liu ZM(刘中民); Wu ZB(吴宗斌); Xu L(许磊); He YL(何艳丽)
会议名称3rd Asia-Pacific Congress on Catalysis
会议日期2003-10-12
2003-10-12
会议地点中国
其他题名杂原子分子筛催化环己烷分子氧氧化反应
页码866/2
部门归属八室
主办者大连化物所
英文摘要Three types of metal-containing molecular sieves with AFI, AEL and CHA structure were hydrothermally synthesized. Metals (Co, Mn, Cr, V) were incorporated into the molecular sieves framework and induced the appearance of charge centers, as evidenced by TG and NH3-TPD. TPR studies revealed that cobalt and manganese in the framework were not reducible before the structure collapse. The redox behavior of these catalysts in cyclohexane oxidation at 403K and 1.1MPa O2 were investigated. CoAPO-11 exhibited best activity and good selectivity of monofunctional oxidation products (88.5%). Cyclohexanol was preferable product on most catalysts, whereas for CrAPO-5, 11, high selectivity of cyclohexanone was observed. Experimental results indicated that the decomposition of cyclohexyl hydroperoxide (CHHP), the intermediate in cyclohexane oxidation, followed the pathway: cyclohexanone←CHHP→cyclohexanol (then cyclohexanol→cyclohexanone).
语种中文
WOS记录号WOS:000227357202074
引用统计
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/111340
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,Wu ZB,et al. Metal-containing molecular sieves as catalysts for the selective oxidation of cyclohexane by oxygen[C],2003:866/2.
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