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Design methods for hybrid distillation/pervaporation processes

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Abstract:
Distillation is the most commonly used separation technique in the chemical industry. Despite its robustness, distillation processes have a high energy demand and especially in case of close boiling –or azeotropic mixtures, distillation can be energy –and capital intensive. Pervaporation presents an attractive alternative to distillation, but is a rather expensive technique. Combining pervaporation and distillation may result in a process that can overcome the disadvantages of both processes while exploiting the advantages of both processes. Unfortunately, the design of such a hybrid process is not very straightforward and the choice as to which configuration is the most promising one may be difficult. In this project, a method has been developed to facilitate the design of hybrid processes by using a hybrid equivalent of a distillation process. This equivalent enables the designer to gain insight in the optimal process configurations by performing shortcut design -and cost evaluations. The results of this analysis can then be used to find the optimal process configuration.

Type of Seminar:
Public Seminar
Speaker:
Michel Kempkes
Tecnical University of Eindhoven NL
Date/Time:
Mar 12, 2004   15:00
Location:

ETL K 25, Physikstr. 3, Zurich
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