Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… on a pipeline at 50 bar, for the recycling of the hydrogen (containing hydrogen sulfide impurities). The pipe … to corrosion and the released hydrogen ignited. The unit was containing 4000 kg of hydrogen, but it is not known if all of it was released. The unit was stopped, de-pressurized and put …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… An aerosol of hydrogen, hydrogen chloride and sulfuric acid is released in a plant … exhaust pipe on the water circuit of the electrolyzer was blinded due to the deterioration of the anticorrosion …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… equipment located nearby. In both cases presence of hydrogen, ignited by a short circuit spark, was responsible for the two accidents. Case (1): the hydrogen leaked when a rubber-plastic pipe was manually disconnected from a hydrogen trap. Despite the …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… Explosion of nitrobenzene fluoride while mixing with hydrogen gas: Fluoronitrobenzene exploded when mixing it with compressed hydrogen gas. … Explosion During a Chemical Reaction (642) …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A fire occurred in a hydrogen and catalyst loading lines of heavy oil unit. The most likely cause was that a hydrogen purge pipeline failure allowing hydrogen to escape. …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The driver of a hydrogen bus reversed into a post.There was some small material damage to the bus. No leakage of hydrogen (or other gases) occurred. … Collision with a Post …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… In an chlorine production plant, vented chlorine and hydrogen, auto ignited when the hydrogen concentration was allowed to exceed 5% and the mixture mixed with air. … …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… in the turbine-generator hall of a nuclear power plant. Hydrogen leaked from the alternator and ignited.The hydrogen line was purged to stop the leak. The plant employees were able to …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… At a nuclear power plant, a fire occurred in the station's hydrogen storage facility while the plant was operating at 100% power. The fire was reported to the control room by a non-licensed operator …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… vents on the roof of a building hosting a tank containing hydrogen chloride solution. This intervention was necessary to to improve hydrogen venting from the tank storage area. The hydrogen gas was a by-product of the chlorine-making process. The two …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… Near the end of the process of filling a gaseous hydrogen tube trailer at a liquid hydrogen transfilling … psig/173 bar). The tube trailer involved in this incident was one of two tube trailers being filled simultaneously and was second in a line up of five tube trailers parked adjacent …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… Hydrogen and butyl acetate released and caught fire on the … the gas: the event took place on the roof, the roof vent was equipped with a flame arrestor. The wrong pressure reading was caused by the clogging of the connection used for the …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… operator detected a leak of aerosol hydrocarbons (diesel, hydrogen and hydrogen sulfide) in the diesel desulfurisation … and hydrogen sulfide at the top of the unit. The leak was located at the outlet of the desulfurization reactor, in the cooling towers. The cloud of hydrocarbon aerosols was released at a 10 m height due to the fan of the cooling …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… Hydrogen escaped when a venting valve was opened for the inspection of a cap. The escaped hydrogen caught fire, resulting in the death of 4 people, …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… In a high pressure gas plant, hydrogen gas leaked through a flange on a non return valve located on a hydrogen inlet of a reactor. The leaking gas ignited. … Fire …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… extinguishing products following a previous fire on the hydrogen exhaust system. While restarting the chlorine … the chlorine drying unit before exploding. The explosion was probably initiated by a discharge of static electricity or UV radiation. The internal emergency plan was started. The were not victim. The desiccation towers were …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… Hydrogen gas leaking from drain pipes in a hydrodesulfurization plant: There was a hydrodesulfurisation plant which had a recycle hydrogen compressor fitted with a suction rectifier. Hydrogen …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A conventional truck drove into a FCEV. The left rear side was damaged. There were no injuries and no hydrogen released. The car body needed to be repaired and the receptacle and the hydrogen tube need to be replaced. … Conventional Truck …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… a folded-out safety barrier. The upper corner of the roof was damaged. Also the first hydrogen tank was affected by the collision but without any hydrogen …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The hydrogen release of a defect valve ignited due to an unknown … of soldered joint with consequence additional release of hydrogen at 6.2 bar, which contributed the fire. … Fire in a …
