HIAD events | Clean Hydrogen Knowledge Hub

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10/11/2004
Canada

Explosion in a hydrogen production plant

Event ID: 721
Quality: 3
Application: Hydrogen production
Component involved: compressor / booster / pump
Hydrogen supply chain stage: Hydrogen production
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2020

30/11/1978
Canada

Explosion at a hydrocracker in a refinery

Event ID: 720
Quality: 4
Application: Chemical industry
Component involved: heat exchanger (pipe)
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

18/05/1983
United States

Explosion of a spectrometer in a laboratory

Event ID: 719
Quality: 3
Application: Laboratory / R&D
Component involved: gauge/instrument (spectrometer)
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: 02/02/2026

05/12/1998
United States

Explosion at a hydrogen furnace

Event ID: 718
Quality: 3
Application: Chemical industry
Component involved: reactor / oven / furnace / test chamber
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: 01/01/2020

31/12/1969
Australia

Explosion in Microbiological Anaerobic Chamber -

Event ID: 717
Quality: 3
Application: Laboratory / R&D
Component involved: reactor / oven / furnace / test chamber
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

16/11/2015
United States

LH2 trailer collision

Event ID: 716
Quality: 2
Application: Hydrogen transport and distribution
Component involved: CGH2 tube (trailer)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: near miss
Classification of the physical effects: No Hydrogen Release
Date entry in HIAD: 30/11/2024

11/01/2010
United States

CGH2 cylinder releasing full content in a laboratory

Event ID: 715
Quality: 5
Application: Laboratory / R&D
Component involved: CGH2 tube (trailer)
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: 02/02/2026

06/02/2013
United States

Hydrogen relase from a pressure regulator

Event ID: 714
Quality: 5
Application: Laboratory / R&D
Component involved: pressure regulator (gasket)
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: 02/02/2026

17/07/2001
United States

Hydrogen explosion in a refinery

Event ID: 713
Quality: 5
Application: Petrochemical industry
Component involved: chemical storage tank (H2SO4)
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: 01/01/2020

01/06/1965
United States

Explosion at a chlorine production plant

Event ID: 712
Quality: 4
Application: Chemical industry
Component involved: electrolytic cell (header)
Hydrogen supply chain stage: hydrogen as by-product
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 28/01/2026