Hydrogenation of oleic acid over sol-gel ruthenium catalysts

被引:20
作者
Costa, CMM
Jordao, E
Mendes, MJ
Santos, OAA
Bozon-Verduraz, F
机构
[1] UNICAMP, FEQ, DESQ, BR-13083970 Campinas, SP, Brazil
[2] UEM, DEQ, BR-87020900 Maringa, Parana, Brazil
[3] Univ Paris 07, Lab Chim Mat Divises & Catalyse, Paris, France
来源
REACTION KINETICS AND CATALYSIS LETTERS | 1999年 / 66卷 / 01期
关键词
hydrogenation; oleic acid; Ru-Sn catalysts; sol-gel;
D O I
10.1007/BF02475755
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
The hydrogenation of oleic acid to oleyl alcohol over Ru-alumina and Ru-Sn-alumina sol-gel catalysts has been studied. It was found that, besides its hydrogenation activity, the Ru-Sn-alumina catalyst promotes the cis-trans isomerization of the unsaturated acid. This effect is used to explain some kinetic features of the system, like the high induction time observed in the formation of alcohols, and to reexamine the role of tin.
引用
收藏
页码:155 / 162
页数:8
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