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Clean Hydrogen Partnership

Hydrogen release from a liquid hydrogen tanker

Event

Event ID
997
Quality
Description

the commercial vehicle was traveling when the two-person crew noticed what appeared to be smoke emitting from the tanker trailer. The crew called 911 and safely pulled to the side of the road

Fire brigade, law enforcement and Department of Transportation personnel then escorted the vehicle to a safe location near a University main campus.

The hazard response team entered in contact with the transportation company and left the tanker depressurizing and off-gassing till it was safe for it to further travel.

Event Initiating system
Classification of the physical effects
Unignited Hydrogen Release
Nature of the consequences
release, no ignition
Macro-region
North America
Country
United States
Date
Component involved
valve (generic)
Failure mode
rupture
Initiating cause
unknown
Root causes
Date entry in HIAD
01/01/2024

Facility

Application
Hydrogen transport and distribution
Sub-application
H2 delivery to customers
Hydrogen supply chain stage
All components affected

LH2 road tanker

Process temperature range [C]
cryogenic temperature (below -50°C)
Process pressure range [MPa]
low to medium pressure (below 2 MPa)
Location type
Open
Location
highway or similar
Operational condition

Emergency & Consequences

Number of fatalities
0
Number of injured persons
0

In-depth data

Release type
gas
Involved substances (% vol)
H2 100%
Release pressure [MPa]
1
Probable IGNITION SOURCE

References

Sources categories
News
Reference & weblink