HIAD Facility - Operational Condition: Abnormal
At a soaking facility of an industrial plant in the metallurgy sector, the pipeline between a supply tank and a feed pump became clogged and the autoclave only received sporadic feed. Problems had…
Hydrogen ignition during the (illegal) filling of a balloon.Two men had decided to fill in a weather balloon with hydrogen in a storeroom located in the basement of a block of flats. Their idea was…
A welder was welding a stainless steel drain pipe with an arc welder, above a sulfuric acid storage tank. When he lowered the pipe, the hydrogen gas in tank ignited causing an explosion and one…
Two explosions rocked the industrial area of Santa Clara afternoon June 1st 2019, sparking a smoky fire at a chemical, gas storage and transportation facility of Air Products and Chemicals Inc. near…
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, injuries to others 3 and damages to the plant.
Employee used a small industrial vacuum cleaner on an unnamed process. During this process, hydrogen gas built up from a reaction between sulfuric acid and aluminum swarf. When the vacuum cleaner…
A lightning strike caused a voltage drop on the power supply of a chlorine-alkali plant using the mercury process.The emergency electrical system was activated, though restoring the external supply…
Coke oven gas was released from a pipeline during maintenance works. The pipeline was supplying the burners of the coke oven with coke oven gas. The original reason for the so-called gas-stop was…
Explosion within a blast furnace occurred at the plant manufacturing iron. The event occurred at one of the blast furnace of the plant, which exploded. The explosion was so powerful that the entire…
An explosion occurred involving a Microbiological Anaerobic Chamber of approximately 2 m3 capacity, containing an explosive mixture of hydrogen and air. A fire followed the explosion, but was rapidly…
A gas release occurred in the building for the recirculation of processes gas. The gas was a mixture of hydrogen and nitrogen. It occurred at the outlet valve, during works aiming to replace it. This…
Workers were performing demolition on a disused furnace. While removing a 10 inch valve from a pipe used to supply coke gas fuel to the furnace, flammable liquid was unexpectedly released and ignited…
Explosion in an electrolyzer producing chlorine The explosion occurred after the opening of an auxiliary circuit-breaker. The opening of the auxiliary circuit breaker trigger the shut down of the…
The explosion occurred in an incinerator for non-industrial wastes, during inspection and repair works. These were due to a large quantity of aluminum which produced a solid lump of ash. The…
Works at the power grid of a hydrogen production unit is at the origin of the sequence of the following events:1.Fusion of a safe fuse triggering the closure of a valve on the manifold of a pistons…
An explosion without fire or gas emission occurred in the washer of the catalyst activation unit. The unit was stopped for maintenance : 3 external employees were checking the washer. The explosion…
An explosion occurred in an electrostatic precipitator whilst it was being accessed for maintenance. The explosion caused an inspection hatch cover, which had been unbolted, to be blown off and…
During functional tests of the system, a major quantity of hydrogen-containing gas was released from an adsorber, followed by its ignition.After the alarm was released the feed of the adsorber was…
This incident occurred at the hydrogen production and storage unit of (probably) a power plant using hydrogen as a coolant of the turbine-generator system. Hydrogen was produced probably by water…
The company affected manufactures valves and other hydrogen-storage components, equipment tests. It has offers as well a testing laboratory. The accident happened during testing of a hydrogen tank.…