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Minimum Reflux Behavior of Complex Distillation Columns by John A. Wachter; Terry K. T. Ko; Ronald P. Andres is a Engineering article available to read on EtoBox.

What is Minimum Reflux Behavior of Complex Distillation Columns about?

A continuum model for multicomponent distillation in the minimum reflux limit, first proposed by Nandakumar and Andres, is refined for the special case of constant relative volatility (CRV) and constant molar overflow (CMO) and is extended to columns with multiple feeds and multiple products. A relaxation algorithm for calculating steady-state conditins in any minimum reflux CRV, CMO column is established. This generalization of Underwood's classic treatment of single-feed columns is used to explore the characteristics of several single-feed and multiplefeed distillation systems. Critical operating points at which the steadystate composition profile in a minimum reflux column is indeterminate are identified and analytical expressions predicting the location of these points are established.

Who reads Minimum Reflux Behavior of Complex Distillation Columns?

Author

John A. Wachter; Terry K. T. Ko; Ronald P. Andres

Publisher

American Institute of Chemical Engineers; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0001-1541)

Published

1988

Language

EN

Field

Engineering (Physical Sciences)