Concomitant use of liquid-liquid batch and continuous plug flow reactors for kinetic model discrimination. Application to the Rh/TPPTS catalysed reduction of the C-C double bond in dimethylitaconate

被引：10

作者：

de Bellefon, C ^{[1
]}

Tanchoux, N ^{[1
]}

Caravieilhes, S ^{[1
]}

Schweich, D ^{[1
]}

机构：

[1] CNRS CPE Lyon, Lab Genie Procedes Catalyt, F-69616 Villeurbanne, France

来源：

CATALYSIS TODAY | 1999年 / 48卷 / 1-4期

关键词：

homogeneous catalysis; liquid-liquid catalysis; rhodium; kinetics; plug flow reactor; batch reactor; model discrimination;

D O I：

10.1016/S0920-5861(98)00375-7

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The biphasic catalytic reduction of the C-C double bond of dimethylitaconate with a water soluble rhodium/triphenylphosphinetrisulphonated sodium salt (TPPTS) complex is investigated. Kinetic studies in a well-mixed batch reactor provide kinetics parameters and an activation energy of 71 kJ mol(-1) but cannot discriminate between a first order or a complex kinetic model within the range of substrate concentration where the approximation of linear liquid/liquid partition is respected. Catalytic tests in the centrifugal partition chromatograph (CPC) reactor under steady-state operations in chemical regime and plug flow mode allow discriminating the kinetic models, the complex kinetic rate law being preferred. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：211 / 219

页数：9

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