Influence of the Bronsted acidity, SiO2/Al2O3 ratio and Rh-Pd content on the ring opening. Part II. Selective ring opening of methylcyclohexane

被引：12

作者：

D'Ippolito, Silvana A. ^{[1
]}

Especel, Catherine ^{[2
]}

Vivier, Laurence ^{[2
]}

Epron, Florence ^{[2
]}

Pieck, Carlos L. ^{[1
]}

机构：

[1] Consejo Nacl Invest Cient & Tecn, FIQ UNL, Inst Invest Catolisis & Petroquim INCAPE, RA-3000 Santa Fe, Argentina

[2] Univ Poitiers, CNRS, Inst Chim Milieux & Mat Poitiers IC2MP, UMR 7285, F-86022 Poitiers, France

来源：

APPLIED CATALYSIS A-GENERAL | 2014年 / 469卷

关键词：

Ring opening; Bronsted acidity; Bimetallic catalysts; Rh-Pd; Bifunctional catalysts; Methylcyclohexane; Decalin; ZEOLITE CATALYSTS; NAPHTHENIC MOLECULES; BIMETALLIC CATALYSTS; SUPPORTED PLATINUM; ACTIVE-SITES; CRACKING; METHYLCYCLOPENTANE; ISOMERIZATION; MECHANISMS; DECALIN;

D O I：

10.1016/j.apcata.2013.06.009

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：

Monometallic and bimetallic Pd-Rh catalysts with various Rh/Pd atomic ratios (=0.5, 1 and 2) and a total metal charge of 1 wt% supported on SiO2-Al2O3 (SIRAL 40, 20, 5) were studied for the ring opening of methylcyclohexane (MCH). The results were compared with those obtained previously for ring opening of decalin. It was found that the total acidity and the Bronsted acidity of the support have a higher influence on the activity for ring opening of naphthenic bicycles than on the activity for opening single rings. The influence of the metal charge is more important on the reaction of MCH. All the catalysts display a high MCH conversion, which increases with the reaction temperature. The bimetallic catalyst with the Rh/Pd ratio equal to 2 and supported on SIRAL 40 has the highest yield to ring opening products. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：541 / 549

页数：9

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