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Clean Hydrogen Partnership

Release of LH2 during transfer

Event

Event ID
362
Quality
Description

Safety disc ruptured on LH2 tanker during offloading. The supply was refused due to possible contamination.

Event Initiating system
Classification of the physical effects
Unignited Hydrogen Release
Nature of the consequences
leak no ignition
Macro-region
North America
Country
United States
Date
-
Component involved
PRD (burst disc)
Failure mode
premature activation & venting
Initiating cause
unknown
Root CAUSE analysis

INITIATING CAUSE was a malfunction - The disc failed to function as intended. The disc was replaced and trailer put back in service.

Root causes
Date entry in HIAD
16/11/2024

Facility

Application
Hydrogen transport and distribution
Sub-application
LH2 tanker
Hydrogen supply chain stage
All components affected

burst disc

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

Emergency & Consequences

Number of fatalities
0
Number of injured persons
0

In-depth data

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

References

Sources categories
ORDIN
Reference & weblink

Mishap no 10 in
P. L. Ordin, Review of hydrogen accidents and incidents in NASA operations, 1974, NASA TM X-71565
https://ntrs.nasa.gov/citations/19740020344