Energy saving potential of reactive dividing wall columns with azeotropic reaction systems

Publikationstyp
Journal Article
Date Issued
2020-12-14
Sprache
English
Author(s)
Harding, Laura-Selin  
Fieg, Georg  
Institut
Prozess- und Anlagentechnik V-4  
TORE-URI
http://hdl.handle.net/11420/6686
Journal
Chemical engineering science  
Volume
227
Article Number
115888
Citation
Chemical Engineering Science (227): 115888 (2020-12-14)
Publisher DOI
10.1016/j.ces.2020.115888
Scopus ID
2-s2.0-85087312045
The reactive dividing wall column (RDWC) is a highly integrated process that enables savings in investment and operational costs. Nevertheless, the high grade of integration leads to an extremely complex process behavior, complicating the prediction of the advantageousness of RDWC for a given task during process design. So far, many applications have been proposed in literature for RDWC, but little general knowledge on the influence of reaction system properties on the RDWC has been published. Latter studies are limited to ideal reaction system properties. This article investigates the influence of non-ideal reaction system properties, focusing on azeotropic phase equilibrium. A comprehensive process understanding of how the non-ideal separation properties affect the energy saving potential of RDWC is developed. The results are combined in short heuristics, which allow the process engineer a quick and easy evaluation of the energy saving potential of RDWC for the investigated reaction systems during process synthesis.
Subjects
Distillation
Energy savings
Process integration
Reactive dividing wall column