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学科主题: 物理化学
题名: Metal-containing molecular sieves as catalysts for the selective oxidation of cyclohexane by oxygen
作者: 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
出版日期: 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
通讯作者: 刘中民
部门归属: 八室
主办者: 大连化物所
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
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内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/111340
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Tian P,Liu ZM,Wu ZB,et al. Metal-containing molecular sieves as catalysts for the selective oxidation of cyclohexane by oxygen[C]. 见:3rd Asia-Pacific Congress on Catalysis. 中国. 2003-10-12.
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