Voices: Rezabek

Are there more practical solutions than simulation?

The digital twin has power and promise for the well known and highly-tamed processes, but might find the arena of modeling chemical and refining process dynamics challenging

Aug 21, 2019

The incident review team determined that all operators should review their findings: An errant reading on an O2analyzer caused the air/fuel ratio to be abnormally high, and the temperature control kept firing harder to maintain temperature. Not only was it wasting fuel, it began increasing NOX emissions until they were approaching the permit limits. Fortunately, a veteran operator arriving at shift exchange recognized the symptoms and recommended someone call out an analyzer technician to look at the O2 analyzer. Once repaired, the controls and process returned to normal.

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