February 2005


Improve yield accounting by including density measurements explicitly

Reconcile both mass and volume simultaneously

J. D. KELLY and J. L. MANN, Honeywell Process Solutions, Toronto, Ontario, Canada       Comments? Write: editorial@HydrocarbonProcessing.com The growing standard in oil refining yield accounting is to use statistical data reconciliation to assist in detecting and diagnosing malfunctioning flow and inventory meters and possible mis-specified oil movements. However, as we demonstrate in this article, potentially harmful and undetectable gross errors can occur that may distort the yield accounting results and overall health of the production

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