A fatality occurred after a flexible hose used to transfer hydrogen to the catalytic reformer was over-pressurised and caught fire.On June 9, 1997, No. 1 and No. 2 hydrogen modules were connected to…
A small quantity of hydrogen gas leaked out of a pipe and caught fire. The danger of an explosion was averted by the safety crew who put out the fire and switched the gas flow to an alternative line.
Two employees were performing works on hydrogen piping (H2) in the chlorate production unit of a chemical plant when an ignited leak of H2 occurred. The operator initiated the emergency plan and…
Weld failure caused a fire involving a hydrogen pipe at a fertilizer ammonia plant. Source of ignition was autoignition.
Fire broke out along a transition corridor combining several underground pipelines transporting hazardous substances, including hydrogen, kerosene and ethylene oxide. The fire was brought under…
Excavation work was performed nearby a buried pipeline of gaseous hydrogen. The excavation machine hit the pipeline causing an under-expanded jet fire. No injuries. The excavation machine was burnt…
Two mechanic workers had picked up a work permit for the removal of filters from a hydrogen line. An operator also visited the scene and answered the mechanics question as to whether the line should…
Explosion and fire in gasholder storing hydrogen in thermal black plant.
A fire occurred on a plant. The fire resulted from an escape of liquid hydrogen from a joint between an isolating block valve and a relief valve on one of the separation column preheater. The…
The truck was delivering hydrogen to a steel products plant and contained from 1500 to 2000 gallons of liquid hydrogen (approximately 7000 to 9000 l). The hydrogen was being pumped from the trucks…
Hydrogen enrichment of the gaseous phase in a rail tanker initiated an exothermic reaction between hydrogen and chlorine which in turn triggered fire of iron chloride.
A road transportation incident. A road tanker of hydrogen overturned and caught fire.
Fires and chain reactions involved more than 100 cylinders of hydrogen or other gases in a storage system. The fire lasted for more than 5 hours and the neighbourhood has been affected by flying…
the fire was detected by an employee during the normal inspection tour, . It was caused by the ignition of a leak of process gas (hydrogen, methane and water vapour) from the reforming furnaces.…
Fire in a ammonia plant.The accident starts with a leak of a hydrogen-nitrogen mixture at the suction flange of a compressor. The mixture ignites on contact with air and the fire spreads to an oil…
This incident occurred in a unit processing vegetable oils and fats. A fire-brigade from the involved town was at the scene in a few minutes and was assisted by the Fire Department of a bigger city.…
A fire broke out following a hydrogen leak on the cyclododecane unit in a chemical plant. A plume of smoke became visible outside the site. The fire was brought under control by putttng the unit in…
Hydrogen and butyl acetate released and caught fire on the vent of a hydrogenation reactor, part of a dyes manufacturing plant. The pressure inside the reactor increased due to excess hydrogen…
The on-duty field technician noticed a self-sustained ignition in the hydrogen pipes of a sodium chlorate plant. The flare-like flame of less than one metre in height was located in the space above…
The fire occurred in the unit for the production of the hexamethylenediamine (HMD). The process is based on the hydrogenation of the adiponitrile [(CH2)4(CN)2]A jet fire of hydrogen was generated…
First an explosion and then a fire occurred on the condensate piping of an chlorine electrolysis plant (SEVESO upper tiers). Flames escape from the end of the pipe and spill into a 75 m open sky tank…
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.
A jet flame occurred in a diesel distillation unit. It was caused by the release and ignition of hydrogen from the low-pressure (60 bar) section of a the unit. It occurred during maintenance works…
a gas leakage (approximately 70% hydrogen, 21% nitrogen and the rest carbon monoxide and other impurities) occurred at the connection between a temperature measurement casing and a flange in the…
An isolation failure in starter coil of the high voltage generator induced an electric arc to the hydrogen supply line, with consequent fire and melting of the line.
Fire in hydrogen compressor at Houston refinery
A leak occurred on a 4 inch hydrogen main gas line which ran along a pipe bridge at the east end of a first stage compression plant building, ignited.The source of ignition was hot welding sparks…
Employees were refilling a rack of 15 hydrogen cylinders that were connected together on a steel pallet with railings. A leak developed at a valve and the pressurized hydrogen ignited. Operations…
A tube in a hydrorefiner heater ruptured resulting in an extensive fire inside and outside the furnace. The main fire in the furnace was extinguished within 15 minutes and the escaping gas / vapour…
The incident took place on the reforming furnace unit of the plant. Around 23:30 pm, during a normal inspection tour, an operator detected a fire on a section of a steam line. He immediately informed…
