Event
- Event ID
- 827
- Quality
- Description
In a petrochemical plant, a fire occurred on the methanation unit (95% H2 + 5% CO -> CH4 + H2 + H2O) of a steam cracker.
A seal break on a flange of the circuit caused of the accident.
No casualties were reported.
The internal operational plan was started.- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- fire
- Macro-region
- Europe
- Country
- France
- Date
- Component involved
- flange (gasket)
- Failure mode
- rupture & ignition
- Initiating cause
- unknown
- Root CAUSE analysis
INITIATING CAUSE: a seal break on a flange of the circuit.
- Root causes
- Unknown
- Date entry in HIAD
- 01/01/2020
Facility
- Application
- Petrochemical industry
- Sub-application
- Methanation process
- Hydrogen supply chain stage
- All components affected
methanation unit
- Location type
- Open
- Location
- industrial area
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Post-event summary
No casualties were reported.
- Emergency action
The internal operational plan was initiated.
In-depth data
- Release type
- gas mixture
- Involved substances (% vol)
- H2
CO
CH4 - Probable IGNITION SOURCE
References
- Sources categories
- ARIA
- Reference & weblink
ARIA data base
event no. 2174
