Toward Water-Based Recycling Techniques: Methodologies for Homogeneous Catalyst Recycling in Liquid/Liquid Multiphase Media and Their Implementation in Continuous Processes

被引:26
|
作者
Roesler, T. [1 ]
Fassbach, T. A. [1 ]
Schrimpf, M. [1 ]
Vorholt, A. J. [1 ]
Leitner, W. [1 ]
机构
[1] Max Planck Inst Chem Energy Convers, Stiftstr 34, D-45470 Mulheim, Germany
关键词
LEAN AQUEOUS HYDROFORMYLATION; RHODIUM-BIPHEPHOS CATALYST; BIPHASIC HYDROFORMYLATION; OLEFIN METATHESIS; BETA-CYCLODEXTRIN; HYDROGEN-PEROXIDE; REACTION NETWORK; PROCESS DESIGN; METHYL OLEATE; SOLVENT;
D O I
10.1021/acs.iecr.8b04295
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Biphasic water-based solvent systems offer the opportunity of efficient recycling of homogeneous catalysts. Water separates well from most organic solvents; therefore, water-soluble catalysts can be immobilized in this phase. Furthermore, water can substitute hazardous and environmentally unfriendly organic solvents in these systems. Within industry only the Ruhrchemie/Rhosne-Poulenc process uses plain water to immobilize the homogeneous catalyst for the hydroformylation of propene. Yet for more hydrophobic substrates, no water-based system has been commercialized. This review will summarize recent developments in the field of water-based recycling strategies. Topics in this field are the intensification of the mixing process, the use of thermomorphic solvent systems, and the employment of several additives, like alcohols and surfactants. Continuously operated processes for these recycling strategies will be presented and discussed.
引用
收藏
页码:2421 / 2436
页数:16
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