Using External Recycle for Design of Reactive Distillation Columns

Haisheng Chena and Kejin Huanga,    aBeijing University of Chemical Technology, NO. 15, North 3 Ring East Road, ChaoYang District, Beijing 100029, People’s Republic of China

Abstract

Although reactive distillation column represent a promising technology of process intensification, it is difficult to use for the separation of reaction systems with the lightest and heaviest reactants producing the light and heavy products. In order to overcome the difficulty, we propose novel reactive distillation columns with a top-bottom external recycle. The direction of the external recycle should be determined according the thermodynamic characteristics of the reaction operation involved. ...

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