PREPARATION AND CHARACTERIZATION OF SUPPORTED RUTHENIUM CATALYSTS

被引:0
作者
MENEZO, JC [1 ]
HOANG, LC [1 ]
MONTASSIER, C [1 ]
BARBIER, J [1 ]
BOITIAUX, JP [1 ]
机构
[1] IFP,F-92506 RUEIL MALMAISON,FRANCE
来源
BULLETIN DE LA SOCIETE CHIMIQUE DE FRANCE | 1993年 / 130卷 / 04期
关键词
SUPPORTED CATALYSTS; RUTHENIUM; PREPARATION; CHARACTERIZATION;
D O I
暂无
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Two series of supported ruthenium catalysts were prepared and characterized in a pulse chromatographic reactor. One series was obtained by exchange of silica in basic solution with the Ru(NH3)6Cl3 COMPlex, and the other by impregnation of high-area activated charcoal with RuCl3 solutions. The dispersion of ruthenium on silica is measured by oxygen chemisorption at 298 K (OC298) and the total metal content after complete metal oxidation at 723 K (OC723). For charcoal-supported catalysts, these techniques were modified to account for the reductive properties of the support. Metal dispersion was obtained from both OC298 and a temperature-programmed hydrogen titration of oxygen adsorbed at 298 K (TPHT). The total metal content was deduced from the temperature-programmed reduction of the precursors.
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页码:493 / 500
页数:8
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