Regions and Countries: France

The event occurred in a university research building dedicated to the study of the take-off of space launchers . An operator gave the alarm during the hydrogen pressure pre-setting phase. he had seen…

An implosion/explosion occurred on a furnace in a company of copper metallurgy. The incident occurred at the end of the production cycle, when the furnace bell is lifted at the end of the cooling…

The fire took place during maintenance works in one out of the three gas extractors of the coke process line. Main cause was displacement of a flange which allowed the entrance of flammable mixture…

A hydrogen leakage occurred in the ammonia workshop of a plant manufacturing nitrogen products and fertilizer (classified SEVESO high threshold). It was detected by an operator in charge of safety…

At about 9:50 a.m., a lightning strike ignited hydrogen exiting a stack in a chemical factory. This hydrogen, produced by the chlorine electrolysis cells, is conveyed to the stack when the…

The leak occurred on a 44 m vehicle of liquid hydrogen during a delivery to the unloading station of a steel plant. The truck drivers had connected the tank container to the fixed storage managed by…

The non-destructive analyses performed in a refinery revealed material degradation of the steel components. The opening of the equipment confirmed the diagnostic : blisters were visible on metal…

A chemical mobile intervention unit intervened in the faculty to neutralize in an envelope sealed an experimental device likely to release hydrogen. The faculty was evacuated during the intervention.

This near miss occurred at the at an airport's hydrogen refilling station. Around 4:30 a.m., the hydrogen detector of the station was triggered and a sound and light alarm were activated. The…

This near miss occurred at an airport's hydrogen refilling station. At 7:35, a hydrogen leak was detected by hearing whistles in the near of a pipe. The operators warned the airport firefighters ten…

In a paper plant, an explosion occurs in a paper pulp tank while 2 workers were carrying out pipes cutting with a grinder on the roof of the tank. Detailed analysis of the event was performed by two…

The fire broke out on a worm ("vis sans fin") supplying a conveyor of aluminum. The ignition of the powder on the ground was caused by the flame cutting operation on the worm shell which generated…

The utility production facilities (electricity, water, air, and steam) at a refinery were isolated from the power grid and switched to two turbine generators in anticipation of a storm. At 9:50 p.m…

Hydrogen leak occurred during a delivery of hydrogen at an automotive supplier. Rescue deployed a curtain of water and evacuated 82 employees from several companies within a radius of 50 m. The…

A leak occurred in a vehicle carrying 218 cylinders of hydrogen. The contents of 28 cylinders, 90 m of hydrogen, escaped. A security perimeter was set up with stop of the road and rail traffic.

A leak occurs on a hydrogen gas transport at a flange of 9 cylinders of 80 m. The producer of these cylinders decides to let it leak. No consequences to report.

A leak occurred on a line connecting the hot separator to the cold separator of a refinery diesel desulfurization. The alert was given by the activation of the fixed H2S detector. The 30 bar pressure…

A sudden failure occurs on a hydrogen line of a refinery desulfurization unit. The equipment is located between a hydrogen compressor and its overpressure protection valve. It is isolated…

During maintenance work on a gas pipeline carrying hydrogen , a worker hears a leak at about at a bridge. The operator measures an concentration of 3% of the low flammability limit at few…

The rupture disk installed on a liquid hydrogen tank failed, in a plant producing organic chemicals, during the weekly shut down. The hydrogen ignited at the exit of the exhaust chimney. The fire…