SELECTIVE HYDROGENATION OF CITRAL OVER PT-SN SUPPORTED ON ACTIVATED CARBON

被引：61
|
作者：
NERI, G
MILONE, C
DONATO, A
MERCADANTE, L
VISCO, AM
机构：
[1] UNIV MESSINA,DIPARTIMENTO CHIM IND,CAS POST 29,I-98166 SANT AGATA MILITE,ITALY
[2] UNIV REGGIO CALABRIA,FAC INGN,I-89100 REGGIO CALABRIA,ITALY
来源：
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 1994年 / 60卷 / 01期
关键词：
CITRAL; PT-SN CATALYSTS; ACTIVATED CARBON; HYDROGENATION OF UNSATURATED ALDEHYDES;
D O I：
10.1002/jctb.280600113
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Hydrogenation of citral has been studied over Pt and Pt-Sn catalysts supported on activated carbon. Under the conditions used the unsaturated alcohols, geraniol and nerol, were the main reaction products. Addition of a small amount of tin (20% at.) to Pt/C increases the overall catalytic activity whereas a decrease is observed at higher tin contents. Addition of tin leads also to an increase in the selectivity to unsaturated alcohols which reaches a value of about 90%. The higher selectivity and activity are attributed to an activation of the C=O bond by tin ions.
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页码：83 / 88
页数：6
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