A Framework for the Systematic Design of Hybrid Separation Processes

›› 2008, Vol. 16 ›› Issue (3): 333-342.

• SPECIAL ISSUE OF THE FIRST INTERNATIONAL SYMPOSIUM ON SUSTAINABLE CHEMICAL PRODUCT AND PROCESS ENGINEERING • Next Articles

A Framework for the Systematic Design of Hybrid Separation Processes

Wolfgang Marquardt, Sven Kossack, Korbinian Kraemer

Process Systems Engineering and Center for Computational Engineering Science, RWTH Aachen University, D-52064 Aachen, Germany

Received:2007-09-20 Revised:2008-03-19 Online:2008-06-28 Published:2008-06-28
Supported by:
the Deutsche Forschungsgemeinschaft (German Research Foundation);DAAD (German Academic Exchange Service) and FUNDAYACUCHO;and Bayer Technology Services

A Framework for the Systematic Design of Hybrid Separation Processes

Wolfgang Marquardt, Sven Kossack, Korbinian Kraemer

Process Systems Engineering and Center for Computational Engineering Science, RWTH Aachen University, D-52064 Aachen, Germany

通讯作者: Wolfgang Marquardt,E-mail:Wolfgang.Marquardt@avt.rwthaachen.de
基金资助:
the Deutsche Forschungsgemeinschaft (German Research Foundation);DAAD (German Academic Exchange Service) and FUNDAYACUCHO;and Bayer Technology Services

Abstract

Abstract: The design of optimal separation flow sheets for multi-component mixtures is still not a solved problem. This is especially the case when non-ideal or azeotropic mixtures or hybrid separation processes are considered. We review recent developments in this field and present a systematic framework for the design of separation flow sheets. This framework proposes a three-step approach. In the first step different flow sheets are generated. In the second step these alternative flow sheet structures are evaluated with shortcut methods. In the third step a rigorous mixed-integer nonlinear programming (MINLP) optimization of the entire flow sheet is executed to determine the best alternative. Since a number of alternative flow sheets have already been eliminated, only a few optimization runs are necessary in this final step. The whole framework thus allows the systematic generation and evaluation of separation processes and is illustrated with the case study of the separation of ethanol and water.

Key words: process synthesis, distillation design, rectification body method, mixed-integer nonlinear programming

摘要： The design of optimal separation flow sheets for multi-component mixtures is still not a solved problem. This is especially the case when non-ideal or azeotropic mixtures or hybrid separation processes are considered. We review recent developments in this field and present a systematic framework for the design of separation flow sheets. This framework proposes a three-step approach. In the first step different flow sheets are generated. In the second step these alternative flow sheet structures are evaluated with shortcut methods. In the third step a rigorous mixed-integer nonlinear programming (MINLP) optimization of the entire flow sheet is executed to determine the best alternative. Since a number of alternative flow sheets have already been eliminated, only a few optimization runs are necessary in this final step. The whole framework thus allows the systematic generation and evaluation of separation processes and is illustrated with the case study of the separation of ethanol and water.

关键词: process synthesis, distillation design, rectification body method, mixed-integer nonlinear programming

Wolfgang Marquardt, Sven Kossack, Korbinian Kraemer. A Framework for the Systematic Design of Hybrid Separation Processes[J]. , 2008, 16(3): 333-342.

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A Framework for the Systematic Design of Hybrid Separation Processes

A Framework for the Systematic Design of Hybrid Separation Processes

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