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Insights on Sustainable Separation of Ternary Azeotropic Mixture Tetrahydrofuran/ethyl Acetate/water Using Hybrid Vapor Recompression Assisted Side-stream Extractive Distillation by Ao Yang; Zong Yang Kong; Jaka Sunarso; Yang Su; Qin Wang; Shuangshuang Zhu is a Engineering article available to read on EtoBox.

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The energy-efficiency of the traditional distillation-based processes are low, which results in waste of resources and environmental pollution. Therefore, a sustainable extractive distillation (ED) process should be developed to reduce energy consumption and CO 2 emissions while improve the energy efficiency. In this work, a systematic approach is developed for the first time, for the separation of ternary azeotropic mixture containing Tetrahydrofuran (THF)/Ethyl acetate (EtAC)/Water via the combination of side-stream distillation and vapor recompression heat pump techniques. Firstly, the conceptual design of the various intensified schemes such as single (or double) side-stream(s) ED configurations are developed. Subsequently, the developed configurations were optimized using mesh adaptive direct search algorithm to obtain the optimal operating conditions of the established processes. Vapor recompression heat pump technique is used to further reduce the energy consumption. The sustainability of the various established configurations is assessed via the comparison of total annual cost (TAC), CO 2 emissions, energy consumption, and thermodynamic efficiency. Overall, it was revealed

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Author

Ao Yang; Zong Yang Kong; Jaka Sunarso; Yang Su; Qin Wang; Shuangshuang Zhu

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Engineering (Physical Sciences)