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Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… (Hamaoka-1) during operation at rated power. The reactor was manually shut down immediately after the pipe rupture and there was no radioactive release into the environment. Although the … large to rupture the pipe, and the detonation of the hydrogen accumulated in the pipe was considered to be the …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… reached its steady state (45,000 rpm), excessive vibration was detected. The pump was immediately stopped but a loud bang was heard. The … of the testing building which came from burning cables. Hydrogen gas discharged from the vent stack on a liquid …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A welder was welding a stainless steel drain pipe with an arc welder, … sulfuric acid storage tank. When he lowered the pipe, the hydrogen gas in tank ignited causing an explosion and one …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
Hydrogen ignition during the (illegal) filling of a … located in the basement of a block of flats. Their idea was to attach a video camera to the balloon for the purpose … the block of flats in several ways: the main entrance door was torn off, nearly all of the doors and fire doors along …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… during the verification operation of a new high pressure hydrogen generator. The electrolysis cell burned down, the … were scattered within a radius of ten meters. There was no injury. The analysis of the incident (Wada et al., … cause that titanium electrode in the electrolysis cell was exposed to oxygen and burned. Another possible co-cause …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A major leak (estimated between 1.5 and 3 kg) of hydrogen from high-pressure storage, resulted in a … by pressure oscillations during refuelling.Specific tank was the one closest to the ground; after breaching the … (65 m away) indicate that a detonation occurred. The HRS was by a busy roundabout at the outskirts of Oslo on a day …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… nominal values of 25 bar and 5C. It contains a mixture of hydrogen and nitrogen (75%/25%). It is located slightly … synthesis gas compressor (on the low pressure side) that was shut down. The connector connecting the separator to its … 1.First a compressor on the synthesis gas circuit was shut down following a malfunction. 2.When the compressor …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A number of hydrogen-filled balloons burst into flames at a secondary …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… heated to a temperature of 1,800C; the gas mixture (hydrogen, air...) explodes. The carbon contained in the …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… pigtail ruptured in a steam reformer for the production of hydrogen, and caused a major fire, which destroyed most of … of the large steam-methane reformer furnace. No personnel was hurt. Main causes were bad weld quality and shortening of … bowing. After the failure of the pigtail, the downstream hydrogen flew back into the reformer and ignited together …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… to do so, the latter are raised to 340C in the presence of hydrogen and a catalyst. A gasket would be responsible for …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… distillate hydro-desulfurization unit. Internal gas (hydrogen, hydrocarbon, etc.) blew from a flange of upper …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… on the roof of the tank. Detailed analysis of the event was performed by two independent experts. The paper pulp … stored under certain conditions can ferment and produce hydrogen.The final expert report establishes the explosion … with the cylindrical flange.It is likely that this ATEX was not permanently present in the tank top and that it …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A mixture of mainly carbon monoxide and hydrogen was released from a pipeline transferring process …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The explosion occurred when the auxiliary circuit breaker was finally closed 15mn later, following various unsuccessful … reason for the auxiliary circuit breaker to open was an overload of the electric transformer, aging of the … breaker.A plausible cause for explosion is the formation hydrogen by the acidic attack of the electrolyzer cells and …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A hydrogen explosion had ruptured a pipe in the core spray … serve a safety function during operation. The explosion was close to a valve connected to the reactor pressure vessel, but the valve was closed at the time and was not affected. A subsequent …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… the technician observed that the acetic acid intake pipe was blocked. After opening the manhole with a wooden pole, … blast severely burned the foremans face.The event was caused by ignition of the hydrogen produced from the dropped quantity of acetic acid. …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… to the benzene saturation unit. The accident source was a mechanical rupture of one of the two compressors used to transfer hydrogen mixtures to the isomerisation unit . The rupture … mixing with air, forming a jet fire. The jet fire headed was directed towards the adjacent benzene saturation unit, …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The naphtha and hydrogen gas leaked out from the gasoline reformer at the Southwest Petroleum as the relief-valve was operated after its repair.Although the source (Asian …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The release took place in a metal cold rolling workshop.The hydrogen leaked from a cylinder of 15 m3, which was part of a storage system of 250 m3.Half of the workshop …
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