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Boiling liquid expanding vapour explosion (BLEVE)

Is the condition that happens suddenly when a tank containing pressurised liquefied hydrocarbons or other liquefied gas, produces an explosive effect due to its contact with fire or impact. The liquid in the tank rapidly absorbs the energy from the surrounding atmosphere which increases the vaporisation rate. When this pressure exceeds the safety limits of the tank, failure occurs and causes a massive explosion. This phenomenon may result in fireballs, blasts, projectiles and possible toxic clouds, or vapour cloud explosions.


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