SURFACE REACTIVITY OF RH CLUSTERS ON ZRO2 MODIFIED BY MN, FE AND MO

被引：3

作者：

MARENGO, S

MIESSNER, H

TRUNSCHKE, A

MARTINENGO, S

ZANDERIGHI, L

机构：

[1] ZENTRUM HETEROGENE KATALYSE,W-1199 BERLIN,GERMANY

[2] UNIV MILAN,DIPARTIMENTO CHIM INORGAN & MET ORGAN,I-20133 MILAN,ITALY

[3] UNIV MILAN,CTR BASSI STATI OSSIDAZIONE,CNR,I-20133 MILAN,ITALY

[4] UNIV MILAN,DIPARTIMENTO CHIM FIS & ELETTROCHIM,I-20133 MILAN,ITALY

来源：

COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS | 1992年 / 57卷 / 12期

关键词：

D O I：

10.1135/cccc19922565

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The reactivity of Rh clusters supported on ZrO2 and on ZrO2 modified by chemisorption of Mn, Fe, Mo carbonyls has been studied by various surface techniques such as TPD, TPR, <:, and by model reactions: Boudouard reaction, ethylene hydroformylation and CO/H-2 reaction. Four CO adsorbed species have been identified and the main effect of the modifiers is to change the distribution of the various CO moieties present on the surface, as shown by TPR and reactivity data. Mn promotes methanol formation, Fe oxygenated compounds and chain growth, Mo increases the CO reactivity, mainly to oxygenates.

引用

收藏

页码：2565 / 2574

页数：10

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