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January
Summary
A hydrocarbon release occurred from a reactor vessel on a naphtha hydrotreater unit. The vessel operated at around 25 bar and 140 degrees C. The release of hot naphtha
Summary
A hydrocarbon release occurred from a reactor vessel on a naphtha hydrotreater unit. The vessel operated at around 25 bar and 140 degrees C. The release of hot naphtha and hydrogen created a vapor cloud that ignited, leading to an explosion and fire. It is understood that the explosion caused further releases from other parts of the plant, including a nearby diesel hydrotreater, which contributed to the fire.
Eight on-site employees were injured, but there were no fatalities. Residents of a nearby town were evacuated as a precaution. Several hundred firefighters were reportedly deployed to control the fire.
Some refinery process units were extensively damaged as a result of the explosion and fire, as well as multiple office and maintenance buildings within the refinery site. Windows in a village at least 3km away were broken. The initial release of hydrocarbon was understood to have occurred as a result of a 1.5-meter crack that opened up in the reactor vessel. The root cause of the vessel failure is not yet fully understood.
