A Computer Aided Design (CAD) module was developed for determining some design parameters for a binary distillation column using the Lewis-Sorrel method and Visual Basic. The module made use of a data bank containing physical and thermodynamic properties of 18 substances. A sample design problem was solved using the module. Results from the module and manual calculations were very close.
Keywords: Binary distillation column, CAD module, CADdc, Lewis-Sorrel method, microsoft access, visual basic, differential distillation, equilibrium distillation, rectification.