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HIAD Nature Event - Ignition Source: Unknown


The event occurred in the hydrogen pumping station, placed between the hydrogen production unit (steam methane reformer) and the hydro-treatment unit. The second stage of the compressor cylinder…
A hydrogen explosion occurred at a 585-MW coal-fired supercritical unit and caused one fatality, injuries to 10 other people, and significant damage to several buildings. The explosion occurred…
An explosion occurred on a tank truck whilst unloading hydrogen into a storage tank. The explosion occurred near the discharge valve of the truck injuring two people and starting a fire at the point…
A tank leaking hydrogen at an electrical power plant exploded.
Two explosions rocked the industrial area of Santa Clara afternoon June 1st 2019, sparking a smoky fire at a chemical, gas storage and transportation facility of Air Products and Chemicals Inc. near…
An explosion occurred in a water skim tank associated with an ethyl benzene dehydrogenation reactor system. The reaction mixture from the reactors containing styrene, ethylbenzene, benzene, toluene…
An explosion occurred caused by a leak of hydrogen from a reactor on a fertilizer plant. The blast hurled the head of a hydrogen gas converter 150m and sent it crashing through reinforced-concrete…
The event occurred in an atmospheric pressure tank storing effluents. The plant was in the production phase. The head of the overfill prevention valve located at the top of the tank was thrown a…
The explosion involving hydrogen gas knocked a 36-by-70-foot hole in the roof of the plant. Officials said the gas was formed when chemicals mixed in the plant's waste treatment unit.
The vent occurred in the ammonia production unit. A minor leak had been detected in a flange on the piping of the ammonia synthesis loop (operating at 250 bar). The company called a specialized…
Coke oven gas was released from a pipeline during maintenance works. The pipeline was supplying the burners of the coke oven with coke oven gas. The original reason for the so-called gas-stop was…
Gaseous hydrogen leaked from an oil pump part of the filling and conditioning system in a industrial gases production plant. The released hydrogen ignited and exploded. The cause has been a human…
In a polyethylene manufacturing plant, the explosion of a flammable cloud (isobutane, ethylene, hexane and hydrogen) escaped from a reactor during maintenance caused 23 fatalities and 314 injured…
Explosion in a fine organic chemical plant (Seveso classified )The event occurred during the cleaning of a reactor. At the completion of a batch manufacturing of a soft reducing agent, an operator…
The explosion was caused by the ignition of hydrogen during reaction with sodium metal. The Chemistry Department routinely dried solvents using metallic sodium. This leaves an excess of sodium metal…
Hydrogen was accidentally produced inside the sealed container containing a used battery. The gas, along 6 days deformed the container. Firefighters equipped with breathing apparatus open the…
During functional tests of the system, a major quantity of hydrogen-containing gas was released from an adsorber, followed by its ignition.After the alarm was released the feed of the adsorber was…
A major leak (estimated between 1.5 and 3 kg) of hydrogen from high-pressure storage, resulted in a detonation, from hydrogen a refuelling station.Causes were two untightened bolts securing the…
Huge explosion of liquid chlorine mixed with hydrogen took place on pulp and paper plant in Arkhangelsk. More than 50 tons of liquid chlorine exploded.
During agricultural drainage work carried out by a farmer, an explosion occurred on a hydrogen pipeline located in a field. Flames several meters high were visible and two houses were evacuated. A…
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