Heat pump assisted divided wall column for ethanol azeotropic purification

Younes Ghalavand,Hasan Nikkhah,Ali Nikkhah

Journal of the Taiwan Institute of Chemical Engineers（2021）

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摘要

•Three distillation process are compared with each other for ethanol purification performance.•Heat pump-driven process has more investment cost and saves energy up to 38.6%.•The heat pump-driven process reduces CO2 emissions and total annual cost by 10.42%.

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关键词

Ultra-pure ethanol,DWC,Heat pump,Energy saving,Azeotropic distillation

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