HIAD Facility - Operational Condition: Normal

A leak occurred on a relief valve of a high pressure hydrogen storage tank. No explosion or fire occurred.

At a linear accelerator site, a hydrogen retort exploded during ignition of burn-off gas. One employee experienced hearing loss in one ear and a shoulder injury from being blown into a cabinet. A…

A hydrogen tank exploded and caught fire at a chemical plant.

A tanker carrying liquid hydrogen overturned without rupturing. Traffic on an interstate highway was closed throughout the afternoon and evening.

A release of a mixture of hydrogen, nitrogen and ammonia ignited and exploded in the ammonia synthesis unit. The release occurred on a flange of the heat exchanger. and was due to a crack on the…

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…

A pressure relief device (frangible burst disk) on one of a hydrogen delivery tube trailer`s 26 tubes failed prematurely and released hydrogen while filling a hydrogen storage tank at a government…

An isomerization unit of a refinery was affected. The release was caused by the mechanical failure of one of the two compressors working in parallel at a pressure of 20 bars, conveying the gas…

A jet fire occurred on the ammonia production unit, caused by a leak on a hydrogen pipe. No victims.

The laboratory works with soil bacteria that cannot survive in the presence of oxygen. As a result, research work is conducted inside a plastic chamber in which the chemical constituents in the air…

A mixture of mainly carbon monoxide and hydrogen was released from a pipeline transferring process gases in a not further specified unit of a chemical plant, generating a flammable mixture which…

This near miss occurred at a depot site with 20 fuel cell buses are operated by a local bus company. A hissing sound was heard coming from a hydrogen tank at the refuelling facility, and the local…

The incident consisted of a leakage of potassium hydroxide solution (KOH) from an alkaline electrolyzer in a renewable hydrogen production plant. One webpage news reported that smoke formation…

FCEV left front side of the vehicle damaged.

The left rear side of the FCEV vehicle was damage.

The whole content of the rail tanker, that is 42,000 l (about 2600 kg) of liquid hydrogen, was entirely lost over a period of seven hours via the venting line of a tank. The accident occurred at a…

The tanker truck was carrying nearly 13,000 gallons of liquid hydrogen. it hit the base of a light pole in the parking lot of a local grocery store as the driver was attempting to turn around.…

At a refuelling station for buses, the first dispenser had been taken out of operation, becasue leaking (see HIAD event 403). Another dispenser was being used. Fuelling was taking too long and was…

A hydrogen explosion happened at a chemical plant in Cheshire, UK where 18 tons of hydrogen gas went up. The firefighters were on the scene tackling the fire quickly and efficiently.

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…