ProSimPlus software is used in the design and operation of existing plants for process optimization and front-end engineering analysis. Its unique thermodynamic module, Simulis Thermodynamics, and its comprehensive unit operations library enable users to create models for a wide variety of processes. The software’s latest version has an easy-to-use and easy-to-learn graphical interface. ProSimPlus is used in many industries, such as chemicals, petrochemicals, petroleum refining, gas treatment, pharmaceuticals, specialty chemicals, and energy.