The post Improved Process Control Strategy for Crude Oil Fractional Distillation [technical] first appeared on the ISA Interchange blog site.
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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