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Clean Hydrogen Partnership

Event

Event ID
201
Quality
Description

Due to unsealing of flange connection in a heat exchanger, hydrogen leaked and ignited. At 20 m height, under pressure of 0,25 MPa.

Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
fire
Macro-region
Europe
Country
Poland
Date
Component involved
heat exchanger (flange)
Failure mode
leak & ignition
Initiating cause
unknown
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

flange connection at heat exchanger.

Process pressure range [MPa]
low to medium pressure (below 2 MPa)
Location type
Semiconfined
Location
industrial area
Operational condition
UNKNOWN

Emergency & Consequences

Number of fatalities
0
Number of injured persons
0
Emergency action

The company fire brigade extinguished the fire.

In-depth data

Release type
gas
Involved substances (% vol)
H2 100%
Release pressure [MPa]
0.25
Probable IGNITION SOURCE

References

Sources categories
Unknown
Reference & weblink

source lost