Av. Timoshenko et al., Synthesis of optimal distillation flowsheets consisting of columns with various numbers of sections, THEOR F CH, 35(5), 2001, pp. 458-464
Distillation flowsheets consisting of simple columns, both simple columns a
nd complex columns with side streams, and simple column-complex column sequ
ences are considered for zeotropic four-component mixtures. Applicability c
riteria are suggested for the complex columns.