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Design and implementation of a control structure for quality products in a crude oil atmospheric distillation column
David Sotelo1, Antonio Favela-Contreras1, Carlos Sotelo1
1Tecnologico de Monterrey, Department of Mechatronics and Automation, Monterrey, Mexico.
Abstract:
In recent years, interest for petrochemical processes has been increasing, especially in refinement area. However, the high variability in the dynamic characteristics present in the atmospheric distillation column poses a challenge to obtain quality products. To improve distillates quality in spite of the changes in the input crude oil composition, this paper details a new design of a control strategy in a conventional crude oil distillation plant defined using formal interaction analysis tools. The process dynamic and its control are simulated on Aspen HYSYS® dynamic environment under real operating conditions. The simulation results are compared against a typical control strategy commonly used in crude oil atmospheric distillation columns.
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