A Comprehensive Analysis on the Reactive Dividing‐Wall Column, its Minimum Energy Demand, and Energy‐Saving Potential | Zendy

Schröder Moritz | Zendy; Ehlers Christoph | Zendy; Fieg Georg | Zendy

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

Author(s) -

Schröder Moritz,

Ehlers Christoph,

Fieg Georg

Publication year - 2016

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.201500722

Subject(s) - reactive distillation , column (typography) , key (lock) , process (computing) , energy (signal processing) , process engineering , fractionating column , computer science , efficient energy use , distillation , energy demand , column generation , mathematical optimization , biochemical engineering , engineering , chemistry , mechanical engineering , mathematics , electrical engineering , chromatography , connection (principal bundle) , statistics , computer security , operating system , natural resource economics , economics

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.

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