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PROCESS ENGINEERING OVERVIEW
Process engineering involves the utilization of multiple tools and methods. Depending on the exact nature of the system, processes need to be modeled and simulated using mathematics and computer science. Processes where phase change and phase equilibria are relevant require analysis using the principles and laws of thermodynamics to quantify changes in energy and efficiency. In contrast, processes that focus on the flow of material and energy as they approach equilibria are best analyzed using the disciplines of fluid mechanics and transport phenomena. Finally, processes which involve chemical reactions are best analyzed by chemical reaction engineering.