Optimal retrofit design of extractive distillation to energy efficient thermally coupled distillation scheme
Design and optimization procedures employing the response surface methodology (RSM) for retrofitting the conventional extractive distillation sequence to a thermally coupled extractive distillation scheme (TCEDS—SR) is presented. The optimum TCEDS—SR structure can be found in a practical manner with...
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| Veröffentlicht in: | AIChE journal 2013-04, Vol.59 (4), p.1175-1182 |
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| container_title | AIChE journal |
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| creator | Van Duc Long, Nguyen Lee, Moonyong |
| description | Design and optimization procedures employing the response surface methodology (RSM) for retrofitting the conventional extractive distillation sequence to a thermally coupled extractive distillation scheme (TCEDS—SR) is presented. The optimum TCEDS—SR structure can be found in a practical manner with minimal simulation runs. Furthermore, the RSM allows the interactions between variables to be identified and quantified. The separation of close boiling point mixtures and azeotropic mixtures was examined to test the proposed method. The predictions agreed well with the results of a rigorous simulation. The results showed that a retrofit of the extractive distillation sequence to TCED—SR can achieve significant energy savings compared to the conventional extractive distillation sequence. © 2012 American Institute of Chemical Engineers AIChE J, 59: 1175–1182, 2013 |
| doi_str_mv | 10.1002/aic.13906 |
| format | Article |
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The optimum TCEDS—SR structure can be found in a practical manner with minimal simulation runs. Furthermore, the RSM allows the interactions between variables to be identified and quantified. The separation of close boiling point mixtures and azeotropic mixtures was examined to test the proposed method. The predictions agreed well with the results of a rigorous simulation. 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| ispartof | AIChE journal, 2013-04, Vol.59 (4), p.1175-1182 |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Boiling points Chemical engineering Design optimization Distillation distillation process retrofit Energy conservation Energy efficiency Gas separation Optimization process integration Response surface methodology Retrofitting Separation Simulation Statistical methods thermally coupled azeotrope distillation thermally coupled extractive distillation |
| title | Optimal retrofit design of extractive distillation to energy efficient thermally coupled distillation scheme |
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