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Improving distillation column design using thermodynamic availability analysis

✍ Scribed by R. E. Fitzmorris; R. S. H. Mah

Publisher
American Institute of Chemical Engineers
Year
1980
Tongue
English
Weight
839 KB
Volume
26
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

This is a comprehensive availability analysis of conventional, vapor recompression and SRV (secondary reflux and vaporization) distillation. The physical significance of different availability losses is interpreted, and the magnitude and distribution of these losses in an ethyleneο£Ώethane separation are shown. Also discussed is how they may be reduced by design modifications.

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## Abstract How a novel design of continuous distillation columns may impact the performance of conventional controllers when it is required to accurately control the purity of both products in a binary separation is analyzed. The proposed column layout is characterized by the presence of a middle