HIAD events | Clean Hydrogen Knowledge Hub

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19/01/2009
United States

Leak from a LH2 storage tank

Event ID: 701
Quality: 4
Application: Other
Component involved: cryogenic connection
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 30/12/2025

11/07/1989
United Kingdom

Over-pressure damage to a storage tank in a refinery

Event ID: 700
Quality: 3
Application: Petrochemical industry
Component involved: chemical storage tank (hydrocarbon)
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2021

05/09/1989
United States

Explosion at a hydrocracker in a refinery

Event ID: 699
Quality: 2
Application: Petrochemical industry
Component involved: pipe (generic)
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: explosion followed by a fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2020

23/10/1989
United States

Explosion in a polyethylene manufacturing plant

Event ID: 698
Quality: 5
Application: Petrochemical industry
Component involved: valve (generic)
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: explosion followed by a fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2020

07/01/1990
United Kingdom

Hydrogen leak in a chemical laboratory

Event ID: 697
Quality: 3
Application: Laboratory / R&D
Component involved: joint/connection (generic)
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2020

23/12/2013
United States

Fire in a refinery

Event ID: 696
Quality: 3
Application: Chemical industry
Component involved: valve (generic)
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2020

20/07/1990
Czechia

Explosion at a CGH2 storage tank

Event ID: 695
Quality: 2
Application: Unknown
Component involved: CGH2 tank (stationary)
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2021

23/08/1990
United Kingdom

Fire on a methanation reactor

Event ID: 694
Quality: 2
Application: Chemical industry
Component involved: reactor / oven / furnace / test chamber
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2021

17/03/1999
United States

CGH2 cylinder rupture

Event ID: 693
Quality: 4
Application: Laboratory / R&D
Component involved: CGH2 cylinder(s)
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 30/12/2025

07/06/1991
Saudi Arabia

Fire on a hydrogen comressor at a refinery

Event ID: 692
Quality: 2
Application: Petrochemical industry
Component involved: compressor / booster / pump (piston)
Hydrogen supply chain stage: Hydrogen compression
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2021