HIAD events | Clean Hydrogen Knowledge Hub

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01/01/1950 - 31/12/1974
United States

Explosion in a hydrogen purifier

Event ID: 430
Quality: 2
Application: Non-road vehicles
Component involved: heat exchanger (cold box)
Hydrogen supply chain stage: Hydrogen production
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/11/2025

16/03/2016
United States

Explosion at a bio-fuels research laboratory

Event ID: 429
Quality: 4
Application: Laboratory / R&D
Component involved: CGH2 tank (stationary)
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2017

01/01/1950 - 31/12/1974
United States

Bourdon tube rupture due to hydrogen embrittlement

Event ID: 428
Quality: 3
Application: Non-road vehicles
Component involved: gauge/instrument
Hydrogen supply chain stage: hydrogen stationary storage
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/11/2025

01/01/1950 - 31/12/1974
United States

Flame from tube carrying hydrogen

Event ID: 427
Quality: 2
Application: Non-road vehicles
Component involved: pipe (generic)
Hydrogen supply chain stage: Unknown
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/11/2025

01/01/1950 - 31/12/1974
United States

rupture of an expansion joint due to over-pressurisation

Event ID: 426
Quality: 2
Application: Non-road vehicles
Component involved: joint/connection (generic)
Hydrogen supply chain stage: Hydrogen transfer
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/11/2025

24/10/1999
United States

Pressure increase in a LH2 tanker

Event ID: 425
Quality: 3
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2017

28/12/1998
United States

Pressure increase in a LH2 tanker

Event ID: 424
Quality: 3
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2017

21/06/1997
United States

Release from a LH2 tanker

Event ID: 423
Quality: 3
Application: Hydrogen transport and distribution
Component involved: valve (vapour return valve)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2017

02/10/1996
United States

Release from a LH2 tanker during transfer

Event ID: 422
Quality: 3
Application: Hydrogen transport and distribution
Component involved: PRD (burst disc)
Hydrogen supply chain stage: Hydrogen transfer
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2017

02/12/2009
Germany

Fire on a CGH2 bottles trailer

Event ID: 421
Quality: 2
Application: Hydrogen transport and distribution
Component involved: valve (generic)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2017