August 2016

Process Control and Instrumentation

Utilize genetic programming to develop new point efficiency correlation

Distillation is one of the most used separation operations in the chemical and petroleum industries.

Kasiri, N., Jouybanpour, P., Iran University of Science and Technology; Reza Ehsani, M., Isfahan University of Technology

Distillation is one of the most used separation operations in the chemical and petroleum industries. It is a process in which a mixture of some components, with different boiling points, can be separated by heating the mixture to a temperature between the boiling points of the components.1 In distillation columns, one of the most commonly used simplifying assumptions in the mathematical modeling is the presumption of the existence of ideal trays on which the equilibrium of phases takes place. Point efficiency is the single-most important factor in distillation column simulation. The commonly used tray efficiency evaluation schemes possess little accuracy and are not recommended. The purpose

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