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ID: 13793.0, MPI für Dynamik komplexer technischer Systeme / Physical and Chemical Process Engineering
Bifurcation analysis of reactive distillation systems with liquid-phase splitting
Authors:Qi, Z. W.; Sundmacher, K.
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Computers & Chemical Engineering
Issue / Number:10
Start Page:1459
End Page:1471
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The bifurcations are studied in simple reactive distillation processes, where liquid-phase splitting can happen, and the chemical reaction can occur in both or only one of the two liquid phases. Due to the different basic singular points and different chemical equilibrium curves, the bifurcations in the heterogeneous system are identical outside but fully different inside the liquid-liquid region compared to those in the pseudohomogeneous chemical equilibrium curve system. The bifurcations are also different inside the liquid-liquid region when the chemical reaction takes place in only one of the two liquid phases. There are potential singular point curves which are connected by the basic singular points in the corresponding nonreactive system. All the singular point bifurcations with respect to the normalized Damkohler number D and all the pinch point bifurcations with respect to the chemical equilibrium constant K follow these potential singular point curves. The analysis reveals that there exist critical values of the parameters D and K, at which the properties of the singular points change.
Free Keywords:bifurcation; phase splitting; reactive distillation; singular point; pinch point; reactive azeotrope
External Publication Status:published
Document Type:Article
Communicated by:Kai Sundmacher
Affiliations:MPI für Dynamik komplexer technischer Systeme/Physical and Chemical Process Engineering
External Affiliations:Univ Magdeburg, Inst Verfahrenstech, Lehrstuhl Syst Verfahrenstech, D-39106 Magdeburg, Germany
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