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  4. A Comprehensive Analysis on the Reactive Dividing-Wall Column, its Minimum Energy Demand, and Energy-Saving Potential
 
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A Comprehensive Analysis on the Reactive Dividing-Wall Column, its Minimum Energy Demand, and Energy-Saving Potential

Publikationstyp
Journal Article
Date Issued
2016-12-01
Sprache
English
Author(s)
Schröder, Moritz  
Ehlers, Christoph  
Fieg, Georg  
Institut
Prozess- und Anlagentechnik V-4  
TORE-URI
http://hdl.handle.net/11420/4918
Journal
Chemical engineering & technology  
Volume
39
Issue
12
Start Page
2323
End Page
2338
Citation
Chemical Engineering and Technology 12 (39): 2323-2338 (2016-12-01)
Publisher DOI
10.1002/ceat.201500722
Scopus ID
2-s2.0-85027925185
The reactive dividing-wall column (RDWC) combines a reactor and a dividing-wall column (DWC) in a single column shell. Lately, various reaction systems have been proposed for the RDWC, but only little general knowledge has been published on the RDWC so far. The fundamental mechanisms of the RDWC are analyzed and a profound process understanding is deduced based on principal aspects of reactive distillation and the DWC. Fields of application and insights into the key factors for an energy-efficient operation are systematically derived. A semi-shortcut method is proposed to determine the minimum vapor demand of the RDWC and its energy-saving mechanism is explained. Thereby, process engineers can evaluate already during the process synthesis whether the RDWC is a promising option. Furthermore, they can quantify the energy savings quickly and get an understanding of the key factors for an energy-efficient column design and operation.
Subjects
Energy saving
Minimum energy demand
Reactive distillation
Reactive dividing-wall column
DDC Class
620: Ingenieurwissenschaften
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