A SHORT CUT METHOD FOR THE DESIGN OF PETLYUK THERMALLY COUPLED DISTILLATION COLUMNS
A method for the design of the Fully Thermally Coupled Distillation system, or Petlyuk column, is presented. The method is based on the Fenske, Underwood and Gilliland equations, which provide the internal flowrates, number of ideal stages, as well as the stages where the prefractionator and the main column must be interlinked. A case study for the separation of a ternary mixture is presented to show the application of the design method.
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