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If a pyrolysis gasoline line can explode while restarting the plant, how many petrochemical complexes in the world are still operating in a "time bomb" state?
On May 22, 2026, a serious explosion and large fire occurred at the petrochemical facility of MOL oil and gas group in the city of Tiszaujvaros in Northeastern Hungary. According to information from VietnamPlus and VNA, the incident left 1 person dead and 8 others injured, including many cases of severe burns requiring hospitalization for emergency treatment.
The scene was described as a huge column of black smoke covering the industrial park. Firefighters and the Hungarian disaster management agency had to mobilize on a large scale to control the fire.
Initial damage summary table
Category Information
Location Tiszaujvaros, Hungary
MOL Group Enterprise
Facility type Petrochemical plant
Time: May 22, 2026
1 person died
Injured 8 people
Suspected cause Pyrolysis gasoline line
Occurrence phase Restart Olefin-1
According to Hungarian Minister of Economy and Energy Istvan Kapitany, the explosion occurred while the facility was preparing to restart the Olefin-1 plant. This is an extremely noteworthy detail because the restart phase of the petrochemical system is always considered the time of highest risk.
Industry experts said inDuring the plant restart process, pressure, temperature and hydrocarbon flow fluctuate strongly. Even a small deviation in a valve, sensor or pipe can cause an extremely dangerous chain reaction.
Compare recent major petrochemical fires and explosions
Country Incident Damage
Hungary MOL factory explosion 1 killed, 8 injured
USA Texas Oil refinery explosion Large column of fire and smoke
Mexico Olmeca factory fire kills 5 people
Australia Viva Energy Fire Threatens Fuel Supply
What worries Hungarian public opinion the most is the risk of environmental pollution after the explosion. However, according to test results from the disaster management agency's mobile laboratory, the concentration of toxic substances in the air does not currently exceed the safe level for area residents.
However, energy analysts believe that this continues to be a warning bell about the longevity and operating pressure of old petrochemical complexes in Europe. In the context of a prolonged energy crisis, many factories have to continuously increase capacity to maintain fuel supply.
Factors that increase the risk of industrial accidents today
Factor Influence level
Old equipment Very high
High production pressure
Flammable Hydrocarbons Extremely dangerous
Increased maintenance costs Long-term effects
Restarting the line The riskiest stage
Many experts say that consecutive explosions from Hungary, Texas to Mexico show that the global petrochemical industry is entering a period of unprecedented pressure.
When energy demand increases sharply but the old industrial system has not been upgraded synchronously, there is only one incidentEven a small technique can turn into a large-scale disaster.
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