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学科主题物理化学
Effects of support pretreatment with normal C1-C5 alcohols on catalytic properties of Rh-Mn-Li/SiO2 for CO hydrogenation to C2-oxygenates
Jiang DH(江大好); Ding YJ(丁云杰); Li JW(李经伟); Chen WM(陈维苗); Luo HY(罗洪原)
会议名称The 14th International Congress on Catalysis
会议日期2008-7-13
2008-07-13
会议地点韩国
页码266/1
ISSN89-955266-5-1 93510
部门归属八室
主办者Korean Institute of Chemical Engineers
英文摘要The effects of support pretreatment with normal C1-C5 alcohols on the performance of Rh-Mn-Li/SiO2 catalyst in the synthesis of C2-oxygenates from syngas have been investigated by CO hydrogenation reaction, transmission electron microscopy (TEM) and Fourier Transform infrared (FT-IR)spectroscopy.The catalysts prepared from the pretreated silica supports exhibited higher space time yields of C2-oxygenates(STYc2-oxy) and selectivities towards C2-oxygenates(Sc2-oxy)than that prepared from the untreated silica support. The enhancement in the hydrophobic properties of the pretreated silica supports would be favorable for increasing Rh dispersion and ratio of Rh+/RhO sites, therefore increasing the number of active sites,especially the active sites for CO insertion. Such variations are responsible for the improvements in the catalytic performance of the Rh-Mn-Li/SiO2 catalyst.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/112876
专题中国科学院大连化学物理研究所
通讯作者Ding YJ(丁云杰)
推荐引用方式
GB/T 7714
Jiang DH,Ding YJ,Li JW,et al. Effects of support pretreatment with normal C1-C5 alcohols on catalytic properties of Rh-Mn-Li/SiO2 for CO hydrogenation to C2-oxygenates[C],2008:266/1.
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