Artículos de revistas
Batch distillation: Better at constant or variable reflux?
Fecha
2010Registro en:
CHEMICAL ENGINEERING AND PROCESSING, v.49, n.12, p.1298-1304, 2010
0255-2701
10.1016/j.cep.2010.09.019
Autor
LOPES, Maira Mendes
SONG, Tah Wun
Institución
Resumen
Due to its outstanding flexibility, batch distillation is still widely used in many separation processes. In the present work, a comparison between constant and variable reflux operations is studied. Firstly, a mathematical model is developed and then validated through comparison between predicted and experimental results accomplished in a lab-scale apparatus. Therefore, case studies are performed through mathematical simulations. It is noted that the most economical form of batch distillation is at constant overhead product composition, keeping the flow rate of vapor from the top of the column constant. (C) 2010 Elsevier B.V. All rights reserved.