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Clean Hydrogen Partnership

Accidental hydrogen production and fire in a electrical products plant

Event

Event ID
966
Quality
Description


Heavy rains (more than 600 mm in 1 day) had flood a factory manufacturing calcium core electrical conductors. The power supply was cut off. The water came into contact with the calcium stored in 150 kg containers, producing hydrogen (7.5 kg per container). The heat of reaction ignited the gas. The fire was extinguished with sand.
Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
Fire (No additional details provided)
Macro-region
Asia
Date
Root causes
Root CAUSE analysis
The ARIA report (see references) identifies as possible root cause the fact that the calcium containers were the probably insufficiently sealed to deal with the abnormal quantity of water cumulated.

Facility

Application
Electronics And Micro-Electronics
Sub-application
unspecified
Hydrogen supply chain stage
All components affected
calcium storage containers
Location type
Unknown
Operational condition
Pre-event occurrences
Heavy rains (more than 600 mm in 1 day) had flood the factory.

Emergency & Consequences

Number of injured persons
0
Number of fatalities
0

Event Nature

Release type
gas
Involved substances (% vol)
H2 100%
Presumed ignition source
Not reported
Flame type
Other

References

Reference & weblink

Event description in the French database ARIA<br />
https://www.aria.developpement-durable.gouv.fr/accident/14162/<br />
(accessed October 2020)<br />

JRC assessment