Outstanding performances of magnesia-supported platinum-tin catalysts for citral selective hydrogenation

被引：58

作者：

Recchia, S

Dossi, C

Poli, N

Fusi, A

Sordelli, L

Psaro, R

机构：

[1] CNR, Ctr CSSCMTBSO, I-20133 Milan, Italy

[2] CNR, Dipartimento Chim Inorgan Metallorgan & Analit, I-20133 Milan, Italy

[3] Univ Insubria, Dipartimento Sci Chim Fis & Matemat, I-22100 Como, Italy

来源：

JOURNAL OF CATALYSIS | 1999年 / 184卷 / 01期

关键词：

Pt-Sn catalysts; Pt-Sn/MgO; alpha; beta-unsaturated aldehydes (hydrogenation); citral (hydrogenation); geraniol synthesis; nerol synthesis;

D O I：

10.1006/jcat.1999.2485

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：

Magnesia-supported Sn-Pt catalysts were prepared by reaction between preformed platinum metal particles and Sn(n-C4H9)(4). HRTEM and H-2-chemisorption data confirm the synthesis of very small tin-decorated platinum particles (similar to 1.0 nm mean diameter), Preliminary studies on catalytic hydrogenation of citral in a trickle-bed reactor reveal that 97% selectivity to unsaturated alcohols at 100% conversion can be easily achieved. The electronic ligand effect produced by the basic support is supposed to be fundamental to enhance the selectivity to unsaturated alcohols and to stabilise the bimetallic particles, (C) 1999 Academic Press.

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页码：1 / 4

页数：4

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