HIAD Causes: System Design Error

A fire started on the primary hydrogenation reactor of a chemical plant synthesizing alcohols and acids by reactions between olefins and a H2 / CO gas mixtures. The alcohols are synthesised in 3…

The event occurred on vent stack of an ammonia synthesis unit. The release of the gas was more specifically on the water purge line or the hydraulic guard of the vet stack. The process gas…

As the airship approached the docking mast, it performed a sharp turn to face into the wind, which was shifting. The engines were run at full speed astern for about a minute to slow the airship. Dust…

The fire developed on a hydrogen bus during filling, and was detected due to the development of smoke and a smell of burned materials.The power cable of the compressor had overheated. Two are the…

In a petrochemical plant, visual inspection detects fumes under the heat insulation of a heat exchanger operating under hydrogen pressure. The first intervention team was mobilized and the unit…

a hydrogen recycle compressor shut down unexpectedly, resulting in flaring activity with visible smoke.

The broke out at a hydrogen compressor of the reforming unit of the refinery. Following the safety procedures, the emergency stop of the unit was activated and the unit was decompressed using a…

A hydrogen generator overheated during testing and started a small fire in a power plant.

The fire developed on the hydrogen production unit of a subcontractor in a plant producing metallic wire articles. The cause was a malfunctioning of the hydrogen unit. The production was stopped…

A fire on one of the two hydrogen units at a gasoline refinery, hindering production.

A release of compressed hydrogen and subsequent fire occurred during the transportation of truck tractor chassis with a mounted trailer module. The tube trailer module contained 25 fully wrapped…

The methanation reactor vessel was found to be deformed and had a 3-4 inch rupture at a position corresponding to the top of the catalyst bed. It is though that the incident was caused by ethylene…

A weld on a 1 inch diameter instrument tapping from a Octafiner reactor overhead line fractured, resulting in a small but intense fire, lasting about 50 minutes until the unit was nitrogen purged.The…

While filling a 9 litre gas cylinder with pressurised hydrogen in the hydrogen storage area, a blast occurred which destroyed the low pressure gauge, followed by a jet fire which damaged the…

A man was burned when a fire broke out as a hydrogen cylinder was being changed in a governmental research centre. It was reported that the fire was started by a spark from a wrench. The sprinkler…

A hydrogen and batteries driven aircraft was forced to land after a flight incident. According to the aircraft company the aircraft was forced to an emergency landing, but landed normally on its…

A fire broke out affecting the heavy fuel purification plant of the refinery.The incident could have originated by the failure of one of the following plant components:- pipes leading to the pressure…

During the isomerization of wax in a lube oil plant, the high pressure reactor ruptured, releasing its contents. The released gas ignited and a fire developed in the plant area where operators and…

A diesel and gas leak (H2, H2S, CH4) occurred in a hydrodesulfurization unit (2,200 t/d). The leak location was on one of the boiler valves of the stabilization column. The released mixture (390 C /…

A hydrogen car caught fire at a hydrogen fuelling station. During refuelling of a H2-fueled car the owner heard an abnormal noise and opened the fuel filler door to investigate. A small fire then…