The preparation and properties of coprecipitated Cu-Zr-Y and Cu-Zr-La catalysts used for the steam reforming of methanol

被引：45
|
作者：
Clancy, Patricia
Breen, John P.
Ross, Julian R. H. [1 ]
机构：
[1] Univ Limerick, Limerick, Ireland
[2] Queens Univ Belfast, Belfast, Antrim, North Ireland
来源：
CATALYSIS TODAY | 2007年 / 127卷 / 1-4期
关键词：
coprecipitated Cu-Zr-Y and Cu-Zr-La catalysts; steam reforming of methanol;
D O I：
10.1016/j.cattod.2007.06.040
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of Cu-zirconia catalysts containing various additives (Y2O3, La2O3, Al2O3 and CeO2) have been prepared by coprecipitation and their activities and stabilities under operating conditions have been obtained for the steam reforming of methanol. It has been found that an yttria-promoted catalyst containing 30 mol% Cu and 20 mol% of Y2O3 is not only very active but is also very stable under reaction conditions. The yttria appears to stabilise a high copper surface area and may also have a slight promotional effect on the copper. The results obtained with this material compare very favourably with data for the best catalysts reported in the literature. (C) 2007 Published by Elsevier B.V.
引用
收藏
页码：291 / 294
页数：4
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