HIAD Quality Indicator: 3
A number of hydrogen-filled balloons burst into flames at a secondary school. About 1,500 small balloons to be used for the opening ceremony of a sport event exploded unexpectedly and caught fire at…
The event occurred at the chlorine drying towers. The towers, made of PVC, exploded suddenly and violently in a mercury amalgam cell chlorine plant. Because of failure of the electrical power system…
The explosion occurred while restarting the ammonia reactor. Synthetic gas (70% H2) was released at the flange of the relief valve of the turbo-compressor. The explosion was followed by a jet fire.…
The incident affected the raw material buffer tank (design pressure 0.38 MPa) of a diesel hydrogenation unit in a refinery. This buffer tank is located between the hydrogenation reactor and the raw…
Following the breakdown of a piston rod, a mixture of hydrogen and light hydrocarbons was released from the fresh hydrogen compressor of an oil refinery. The rod broke down because of stress…
The incident occurred at a fuel cells manufacturing plant. The tanker was preparing to transfer liquid hydrogen to the company hydrogen bulk storage tank. During backing, it impacted an industrial…
At the time of the incident, the desulfurization unit was shut down for scheduled cleaning of a cooling tower with reintroduction of a gas mixture into the system at a high hydrogen content. The…
The explosion occurred in the compressors unit of the plant. Witnesses reported a cloud of yellow smoke and a fire ball at its bottom. This first event has been followed by a fire fed by a hydrogen…
The syngas leak (hydrogen + methane) occurred at exit of the ammonia production reactor and led to an explosion followed by a fire.The start point of the sequence of events was the syngas at the…
The incident occurred in the hydrogenation Unit of a non-further specified chemical plant. Before the occurring of the event, a growing leak had been discovered in the vicinity of a circulation pump…
Explosion, with consequent fire, in chemicals production plantThe accident occurred in the organo-metallic compound production unit, on a transport container for aluminum alkyls, which exploded…
An explosion and fire occurred on a reformer at a fertiliser plant. Source of ignition was autoignition or electric motor.
The explosion occurred at the hydrogen producing unit of a refinery.A solution of potassium carbonate was being drawn off from an absorption tower to a temporary storage tank for a turnaround…
The day before the incident, the outlet pipe connected to methanation reactor started leaking gas, which contains hydrogen. The leak was temporarily eliminated by a pressurised plug. On the day of…
An explosion occurred at testing facility of a space rocket engine. The incident occurred when executing a test studying the performance of a hydrogen gas flow measuring system for fuel feeding…
The explosion was followed by a fire. Eyewitnesses reported seeing a "huge gush of fire". The local fire and rescue team brought the fire under control.According to the company, the explosion was…
A hydrogen-cooled electricity generator exploded inside a coal-fired power plant killing two workers and injuring fifty others. An investigation into the incident found that a hydrogen gas leak may…
The incident affected at an indirect oil desulfurization unit, and originated at a piping at the outlet of a heat exchanger. The exchanger was located in the furthermost downstream of the reactor.…
Explosion of hydrogen at slip ring end of an alternator. It was caused by a hose fracture within the generator casing, which led to a discharge of water into the casing and subsequent electrical…
The accident started with a leakage of distilled petroleum intermediate and hydrogen in the desulfurization unit of the distilled intermediate. Both substances ignited and exploded, with a later…