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学科主题物理化学
Highly Dispersed Metal-Promoted W2C as Efficient Catalysts for Direct Cellulose Conversion into Ethylene Glycol
Ji N(纪娜); Zhang T(张涛); Zheng MY(郑明远); Wang AQ(王爱琴); Wang XD(王晓东); Chen JG(陈经广)
会议名称Sixth Tokyo Conference on Advanced Catalytic Science And Technology and Fifth Asia Pacific Congress on Catalysis
会议日期2010-7-18
2010-07-18
会议地点日本
其他题名纤维素转化制乙二醇
页码73/2
部门归属十五室
主办者日本催化协会
英文摘要A series of metal-promoted W2C catalysts were prepared by a two-step synthesis method and evaluated for the catalytic conversion of cellulose in aqueous condition and hydrogen atmosphere. Quite different from the one-step synthesis method, nickel addition did not cause catalyst sintering but resulted in the tungsten carbide re-dispersion, which was identified by characterizations using XRD, TEM, and CO chemosorption. Tungsten carbides modified by other transition metals (Pt, Ru, Pd, Rh, Co, and Fe) were also obtained with high dispersion. The highly dispersed metal-promoted tungsten carbide catalysts were found to be very active and selective for the cellulose conversion to ethylene glycol. The underlying reason was attributed to the much better dispersion of W2C and more active sites on the catalysts.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/114172
专题中国科学院大连化学物理研究所
通讯作者Zhang T(张涛)
推荐引用方式
GB/T 7714
Ji N,Zhang T,Zheng MY,et al. Highly Dispersed Metal-Promoted W2C as Efficient Catalysts for Direct Cellulose Conversion into Ethylene Glycol[C],2010:73/2.
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