The Hydrogen Incident
and Accidents Database
European Hydrogen Incidents and Accidents database HIAD 2.1, European Commission, Joint Research Centre

This data is from the European Hydrogen Incidents and Accidents database HIAD 2.1, European Commission, Joint Research Centre.

Fire on a Flange of a Hydrodesulfurization Unit of a Refinery
A fire occurred on a flange of a hydrodesulfurisation unit during start-up operations. A failure of this flange caused of the leak.
Event Date
April 5, 1992
Record Quality Indicator
2
Region / Country
European Union / France
Event Initiating System
Hydrogen System Initiating Event
Classification of the Physical Effects
Hydrogen Release And Ignition
Nature of the Consequences
Fire
Causes
Material/Manufacturing Error
Cause Comments
Immediate cause: A hydrogen release caused by the failure of a flange .
Facility Information
Application Type
Petrochemical Industry
Application
Hydrodesulfurization Process
Specific Application Supply Chain Stage
Hydrogen As Process Gas
Components Involved
a valve of a hydrodesulfurization unit
Storage/Process Medium
Gas
Location Type
Open
Location description
Industrial Area
Pre-event Summary
start up of the unit
Lessons Learned
Unknown
Event Nature
Emergency Action
Unknown
Detonation
No
Deflagration
No
High Pressure Explosion
No
High Voltage Explosion
No
Source Category
ARIA
References

ARIA data base
event no. 11662

This material was prepared as an account of work sponsored by an agency of the United States Government.
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