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Dividing wall columns in chemical process industry: A review on current activities

机译:化工行业中的分隔壁柱:当前活动的回顾

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摘要

In spite of being an energy intensive process, distillation remains the most important separation method in the chemical process industry. Especially for the separation of mixtures with three or more components, the total energy requirement and the capital cost are very high. In this respect, dividing wall columns (DWCs) represent a very promising technology allowing a significant energy requirement reduction. This article reviews current industrial applications of DWCs and related research activities, including column configuration, design, modelling and control issues. Furthermore, the application of DWCs for azeotropic, extractive and reactive distillation is highlighted.
机译:尽管是能源密集型过程,但蒸馏仍然是化学过程工业中最重要的分离方法。特别是对于分离具有三种或更多种成分的混合物,总能量需求和资本成本非常高。在这方面,分隔壁塔(DWC)代表了一项非常有前途的技术,可显着降低能源需求。本文回顾了DWC的当前工业应用以及相关的研究活动,包括色谱柱配置,设计,建模和控制问题。此外,突出了DWC在共沸,萃取和反应蒸馏中的应用。

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