Robust and fast methods for chemical or multiphase equilibrium calculation are routinely needed by chemical-process engineers working on sizing or simulation aspects. Yet, while industrial applications essentially require calculation tools capable of discriminating between stable and nonstable states and converging to nontrivial solutions,…

Describes an interactive computer software package that uses graphics to teach staged operations (particularly the McCabe-Thiele method). Criteria used in developing the package and advantages for instructors and students are considered. (JN)