Skip to main content
Clean Hydrogen Partnership

Explosion in a hydrogen production unit

Event

Event ID
251
Quality
Description

An explosion occurred on a unit producing hydrogen for the nearby refinery. A gas supply pipe failed because of corrosion and a released hydrogen resulting in an explosion.
The following fire was extinguished in 10 minutes by the public service fire brigade. Two workers were lightly injured. Noise of the explosion was heard offsite for well over a mile. Some minor damage offsite.

Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
Macro-region
North America
Country
United States
Date
Component involved
pipeline (generic)
Failure mode
leak & ignition
Initiating cause
material degradation (internal corrosion / erosion)
Root CAUSE analysis

The INITIATING CAUSE was a material failure due to corrosion.

Root causes
Unknown
Date entry in HIAD
28/02/2009

Facility

Application
Petrochemical industry
Sub-application
Unspecified refinery process
Hydrogen supply chain stage
All components affected

hydrogen pipeline, H2 production unit (unspecified)

Location type
Unknown
Location
industrial area
Operational condition

Emergency & Consequences

Number of fatalities
0
Number of injured persons
2
Official legal action

Authorities recommended to avoid the fumes or to evacuate the vicinity.

Emergency action

The hydrogen unit was shut down.
The fire is extinguished in 10 minutes by the firemen of the refinery.

In-depth data

Release type
gas
Involved substances (% vol)
H2 100%
Probable IGNITION SOURCE
Explosion type

References

Sources categories
ARIA
Reference & weblink

Event description in the French database ARIA
https://www.aria.developpement-durable.gouv.fr/accident/8248/
(accessed October 2020)

Snapshot from the site of the Major Accidents at Chemical/Refinery Plants in Contra Costa County
https://www.cchealth.org/health-and-safety-information/hazmat-programs/…
(accessed January 2025)