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ISSN 2063-5346
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Enhanced Conversion of EtOH In Reactive Divided Wall Column for The Production of EtAc

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Nalam Chandra Sekhara*, Ajmeera Rameshb, Ratna Srinath Rao Bc , Krishna Bhaskar Kd

Abstract

Conventionally Ethyl Acetate (EtAc) is produced by esterification of ethanol (EtOH) in reactors (mostly CSTR) followed by a finishing distillation column to separate all the components. In many revamped processes, finishing column is converted to RD column to enhance EtOH conversion. However, due to presence of water on the trays where maximum conversion takes place, backward reaction significantly reduces the overall conversion. The present work demonstrates that putting a dividing wall in the stripping section of the column enhances the EtOH conversion by about 3-4 % as compared to simple reactive distillation column.

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