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Residue curve maps of reactive membrane separation

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons86331

Huang,  Yuan-Sheng
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86497

Sundmacher,  Kai
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86439

Qi,  Zhiwen
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
State Key Lab. of Chem. Eng., School of Chem. Eng., East China Univ. of Science and Technology, Shanghai , China;

Schlünder,  E.-U.
Max Planck Society;

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Citation

Huang, Y.-S., Sundmacher, K., Qi, Z., & Schlünder, E.-U. (2004). Residue curve maps of reactive membrane separation. Chemical Engineering Science, 59(14), 2863-2879. doi:10.1016/j.ces.2004.04.018.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-9E5D-6
Abstract
A batch reactive membrane separation process is analysed and compared with a batch reactive distillation process by means of residue curve maps. In both processes, the chemical reaction takes place (quasi-) homogeneously in the liquid bulk phase and vapour–liquid equilibrium is assumed to be established. Additionally, in the reactive membrane separation process, selective vapour phase permeation through a membrane is incorporated. A model is formulated which describes the autonomous dynamic behaviour of reactive membrane separation at non-reactive and reactive conditions when vacuum is applied on the permeate side. The kinetic effect of the chemical reaction is characterized by the Damköhler number Da, while the kinetic effect of multicomponent mass transfer through the membrane is characterized by the matrix of effective mass transfer coefficients. The process model is used to elucidate the effect of selective mass transfer on the singular points of reactive membrane separation for non-reactive conditions (Da=0), for kinetically controlled reaction (0<Da<∞), and for equilibrium controlled reaction (Da→∞). Scalar, diagonal and non-diagonal mass transfer matrices are considered. As examples, the simple reaction AB<->C in ideal liquid phase, and the cyclization of 1,4-butanediol to tetrahydrofurane in non-ideal liquid phase are investigated.