HIAD events | Clean Hydrogen Knowledge Hub

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14/10/1968

Explosion in a chlorine production plant

Event ID: 661
Quality: 2
Application: Chemical industry
Component involved: electrolytic cell
Hydrogen supply chain stage: Hydrogen as feedstock
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2020

05/01/1977
United States

Fire at a methanol plant

Event ID: 658
Quality: 2
Application: Chemical industry
Component involved: pipe (generic)
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: 28/01/2026

05/12/1970
United States

explosion at a hydrocracking reactor of a refinery

Event ID: 657
Quality: 3
Application: Petrochemical 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

01/01/1970
United Kingdom

Fire In the hydrodesulphurization unit of a refinery

Event ID: 656
Quality: 3
Application: Petrochemical industry
Component involved: heat exchanger (pipe)
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

01/01/1971
United Kingdom

Fire In the hydrodesulphurization unit of a refinery

Event ID: 655
Quality: 3
Application: Petrochemical industry
Component involved: heat exchanger (pipe)
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

16/01/1971
United Kingdom

Short circuit on a boiler of a refinery

Event ID: 654
Quality: 3
Application: Petrochemical industry
Component involved: venting system
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: near miss
Classification of the physical effects: No Hydrogen Release
Date entry in HIAD: 01/01/2020

22/05/1971
United Kingdom

An explosion and a fire in the hydrogen compression building

Event ID: 653
Quality: 3
Application: Hydrogen production
Component involved: gauge/instrument (connection)
Hydrogen supply chain stage: Hydrogen production
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

01/01/1976
United States

Explosion at the off-gas system of a nuclear power plant

Event ID: 652
Quality: 2
Application: Power plant
Component involved: off-gas system (valve)
Hydrogen supply chain stage: Unintended hydrogen production - radiolysis
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 28/01/2026

01/01/1971
United Kingdom

Fire in a refinery

Event ID: 651
Quality: 3
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

07/07/1973
Japan

Explosion at a acetylene hydrogenation process

Event ID: 650
Quality: 4
Application: Chemical industry
Component involved: flange (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