HIAD Classification of the Physical Effects: No Hydrogen Release

An accident involving a truck hauling liquid hydrogen closed an interstate highway for two hours.

During a patrol, an operator detects a hydrogen leak in a refinery on a footbridge 30 meters high. The origin of the leak is identified 4 days later on a pipe under insulation. The operator proceeds…

The right front side of a FCEV was hit by another car.

The vehicle was being driven in traffic at low speed when it was struck from behind by a full-size pickup which forced the fuel-cell vehicle forward into another pickup. No hydrogen was released and…

A rollover accident involving a tanker truck carrying 12,000 gallons of liquid hydrogen forced the evacuation of nearly 50 homes.

During the start-up of a propylene hydrogenation reactor, very high temperatures were generated in the catalyst bed. At the time, propylene and hydrogen were being fed to the reactor which contained…

A petroleum refinery experienced a catastrophic rupture of a heat exchanger in the catalytic reformer / naphtha hydrotreater unit (the NHT unit). The heat exchanger, catastrophically ruptured because…

Syngas explosion at a university laboratoryThe university lab affected was investigating generation of hydrogen and methane from biomass (wooden chips). The experimental furnace was a concrete…

Traffic accident with heavy rain.Four persons were killed when a pickup track collided head-on with a liquid hydrogen tanker in heavy rain.

Transport collision between hydrogen trailer and car, without hydrogen release. (R. G. Zalosh and T. P. Short, COMPARATIVE ANALYSIS OF HYDROGEN FIRE AND EXPLOSION INCIDENTS, Quarterly Report No. 2…

A truck conventional truck moved to another lane and did not see the FCEV. The collision caused a total loss to the latter.

Truck moving backwards hit a hydrogen and fuel cells bus and damaged its side mirror.

A vehicle overlooked into a road, overlooking the presence of another vehicles. The latter tried to avoid the accident by crossing to the other lane, occupied by a FCEV. The car was hit in the front.