PLATINUM CARBON OXIDATION CATALYSTS .8. SELECTING A METAL FOR LIQUID-PHASE ALCOHOL OXIDATIONS

被引：55
|
作者：
VANDAM, HE [1 ]
WISSE, LJ [1 ]
VANBEKKUM, H [1 ]
机构：
[1] DELFT UNIV TECHNOL, DEPT ORGAN CHEM, 2628 BL DELFT, NETHERLANDS
来源：
APPLIED CATALYSIS | 1990年 / 61卷 / 01期
关键词：
alcohol dehydrogenation; iridium; isotope effect; methanol dehydrogenation; palladium; platinum; rhodium; ruthenium;
D O I：
10.1016/S0166-9834(00)82143-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Platinum-group metals (Ru, Rh, Pd, Ir, Pt) were compared as catalysts for the liquid-phase oxidative dehydrogenation of alcohols. Prior to catalytic oxidation, the metals were treated in situ with hydrogen or methanol to remove oxygen. As concluded from electrochemical measurements, the hydrogen treatment was more effective than the methanol treatment. The dehydrogenating properties of the metals were checked in the self-dehydrogenation of formaldehyde. Methanol and deuteromethanol were used as model substrates for the oxidative dehydrogenations. The order of stability towards poisoning by oxygen was Pt>Ir>Pd>Rh>Ru. Pd, however, may offer the highest cost effectiveness. © 1990.
引用
收藏
页码：187 / 197
页数：11
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