HIAD Nature Event - Release Type: Gas

Hydrogen leaked and ignited on a cell in the sodium chlorate (NaClO3) workshop of a chlorinated products plant.There were no victims and no damage to the environment. On-site firefighters controlled…

The station was storing 6,000 litres of liquid hydrogen in ten tanks. Rescue services were alerted and the station's activity is interrupted. The leak was stopped by closing the valves. According to…

A pallet containing 9 hydrogen cylinders is damaged during the operation of unloading the cylinders trailer by means of a forklift. A 2 mm wide crack, caused by the fork, is observed on a flexible.…

The charge pump on a hydro-desulfuriser unit tripped. The charge flow control valve then opened wide on low flow. The high pressure hydrogen supply to the unit flowed backwards through a faulty non…

Alarm received by firefighters around midnight by a resident who heard abnormal noise under the Beaumont Bridge while walking his dog.Perimeter of security set up very quickly with isolation of the…

The truck was carrying 25 m3 of liquid hydrogen and was parked in the parking lot of a road restaurant. The hydrogen escaped through the safety devices of the tank and then dispersed (the weather was…

During a leak test performed on a new retention basin of a chemical plant, one of the walls of the structure collapsed on a rack of 4 pipes located nearby and caused the rupture of the supports and…

The accident occurred at a production, distribution and storage station for hydrogen city busses. After filling the hydrogen cylinders of a bus, the hydrogen detection system of the bus triggered an…

A hydrogen leak occurs at a gas cylinder storage tank park in a nuclear power plant. Employees locate the origin of the leak on a defective pressure regulator. They isolate the hydrogen release and…

A hose of a hydrogen tanker parked in at a specialised company ruptured. The released hydrogen ignited and exploded, followed by a fire probably fed by the continuously leaking hydrogen. The local…

In a fertilizer manufacturing plant, a gas leak occurred at an ammonia unit heat exchanger located in a ventilated area outside. The operator partially stopped the unit, set up steam hoses and…

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

A hydrogen leak occurs at on the hose connection of a tank truck being loaded into an industrial gas company. Alerted by the noise, the driver of the vehicle gave the alert. Firefighters from the…

The tanker crashed into the guardrail on a ring ramp leading to a highway. The tanker overturned, and the tank unit plunged more than 20 meters onto a road below.Witnesses reported multiple…

The incident occurred on a highway. The truck would have tried to avoid an obstacle fallen on the road. It so left the road, collided with the central guardrail and tipped over on the other side.…

A lorry crashed into a hydrogen tube trailer with considerable speed on the highway A1 near Cologne. The lorry driver was killed. Gas escaped from tubes and valves of three of the nine tanks and was…

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 incident occurred on a compressor at a refinery Fluid Catalytic Cracker Unit (FCCU) plant involving hydrogen. Source of ignition was hot surface.

The incident involves a gas booster provided by a manufacturer. This device is used in the experimental platform of the project to raise the pressure in pipelines from 60 to 80 barg (from 6 to 8 MPa…

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…