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Synthesis of cylohexanol by three-phase reactive distillation: influence of kinetics on phase equilibria

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons86492

Steyer,  Frank
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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;

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;

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Citation

Steyer, F., Qi, Z., & Sundmacher, K. (2002). Synthesis of cylohexanol by three-phase reactive distillation: influence of kinetics on phase equilibria. Chemical Engineering Science, 57(9), 1511-1520. doi:10.1016/S0009-2509(02)00023-4.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-A092-A
Abstract
A reactive distillation process is being suggested for the production of the commercially interesting intermediate cyclohexanol from cyclohexene and water, which avoids some of the drawbacks of the conventional liquid-phase cyclohexane oxidation process, especially with respect to operational safety. This reactive distillation process has its own intricate challenges due to the fact that reaction, distillative separation and liquid-phase splitting occur simultaneously. The interaction of these three phenomena is studied using residue curve maps for both, model simulations and experimental data. Based on the fixed point analysis of the residue curves, a novel process is proposed for the reactive separation of cyclohexene/cyclohexane mixtures which is difficult to be carried out by conventional distillation due to very close boiling temperatures. (C) 2002 Elsevier Science Ltd. All rights reserved.