The benefits include automatic recovery from faults, improved safety and prevention of severe product contamination
Preparing for process upsets caused by faults is shown to prevent substantial economic losses and to enhance safety. These newly developed fault-tolerant control (FTC) technologies led to a decisive improvement in plant safety, product quality and process economy.
Neste Oil Oyj reports consistent automatic recovery from faults, improvement in safety, and prevention of severe product contamination due to a novel FTC technology applied to a solvent dearomatization unit operated under multivariable model predictive control (MPC) in the Neste Oil Naantali Refinery, Finland. The economic losses attributable to an off-spec product tank content can grow to several million $US depending on the tan
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