Quantitative risk assessment improves refinery safety

Risk analysis for installations containing large amounts of flammable substances is important to ensure safety and to meet legal requirements. Click here to enlarge imageThis article deals with a quantitative risk assessment (QRA) of a typical LPG storage installation that is common in many refineries. An incident in the isobutene tank may cause a "domino effect" due to its location.QRA allows one to identify and rank incidents that contribute to total risk. A methodology based on the risk concept that considers the dependence between hazard potential and associated safeguards is an effective way to assess plant safety. The proposed methodology allows a calculation of individual and soci...

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