Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… silicone coatings. The blast occurred when some polymethyl hydrogen siloxane was accidentally fed into a reactor, together with the … glycidyl ether. The two epoxides reacted, overheated and hydrogen burst out of a ruptured pipe into the building, …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The methanation reactor vessel was found to be deformed and had a 3-4 inch rupture at a … top of the catalyst bed. It is though that the incident was caused by ethylene entering the reactor. The ethylene reacted with hydrogen on the nickel catalyst, resulting in a very rapid …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The failure of a high pressure hydrogen-based synthetic gas feed line to the ammonia … explosion followed by a severe fire. One of the operators was fatally injured. The failure of the feed line was characterized by a sudden rupture. There was no leakage …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The FCEV was travelling at approx. 75 km/h (80 km/h speed limit) on a straight, downhill part of the road. Another vehicles was waiting at a STOP sign on the right side, did not see the … back right side. There were only body parts damaged and no hydrogen was released. There was no oil or other fluid …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… In a chemical plant, a fire broke out on a hydrogen column of an ammonia manufacturing unit. The … the fire with powder and nitrogen injection. The unit was cooled with water. … Fire on an Ammonia Production Unit …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… in a ammonia plant.The accident starts with a leak of a hydrogen-nitrogen mixture at the suction flange of a …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… different units of a refinery: It consists first in a non-hydrogen accident, followed by a hydrogen-related … the electrical cables running near the vessel. This fire was completely extinguished before the second accident. … the explosion point. The fire following this explosion was of short duration.The incident occurred in a zone in …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… occurred in a gaseous waste decay tank while the plant was in cold shutdown. The gaseous hydrogen present in the tank formed a flammable mixture and … concentration to less than 3 percent.The source of air was identified as instrument air leaking through check valves …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The gas leak containing hydrogen (H2) and hydrogen sulfide (H2S) occurred at the … into the low-pressure section. A maintenance intervention was scheduled to replace one of the faulty level sensor. … a leak. Thirty minutes later, the upper part of the valve was ejected under the effect of pressure, causing the release …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… 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 …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… electrolysis plant. The explosion is due to the entry of hydrogen in the oxygen gas holder.The dome of the gas holder …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… waste water tank Hydrogen that causes the incident has been produced either …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… unit used to desulfurise raw diesel be means of hydrogen.The facility was expected to begin full commercial operations later in …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… sized balloons of the same company). The inner balloon was a meteorological balloon made of latex. When starting filling the inner balloon with hydrogen (final full balloon relative pressure of 0.03 bar) a leak was noticed, due to a small rupture in the skin of the latex …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… of Isopropanol as solvent and Raney nickel as catalyst. Hydrogen and the other reacting components is injected into a … to 40%-50% of his body and died 15 days later. The plant was destroyed. Glass panes shattered over a 50-100 m radius; the distillation unit adjoining the bunker was also damaged, causing the isopropanol and TDA to leak …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… during welding works which ignited accidentally released hydrogen. The plant had been partially shut down for … drying of the pipe section, further water leakage was hindering the work, so that additional measures was taken, also to avoid too much gas waste. The hydrogen …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… batch manufacturing of a soft reducing agent, an operator was rinsing the 3000-litre reactor first with a solvent and … sodium hydride (NaH) residues on the reactor walls to form hydrogen. The hydrogen then mixed with air outside the reactor to form a …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… There was a small leak of syngas (a mixture mainly consisting of hydrogen and carbon monoxide) resulting in a localized fire …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A leak of a flammable mixture of hydrocarbons and hydrogen from a ruptured pipeline caused an explosion and …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… Hydrogen was accidentally produced inside the sealed …
