Event
- Event ID
- 821
- Quality
- Description
- A leakage of a mixture of flammable gases occurred during ventilation shutdown on high temperature PVC furnaces. The mixture consisted of hydrogen, nitrogen, citric acid, hydrofluoric acid and hydrogen sulphide.
The accident followed an electrical outage triggered by the failure of a general circuit breaker. It happened when the electricity providers switched from the emergency power supply to the main power supply. - Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- Leak No Ignition (No additional details provided)
- Macro-region
- Europe
- Country
- France
- Date
- Main component involved?
- Reactor / Oven / Furnace / Test Chamber
- How was it involved?
- Leak
- Initiating cause
- Conventional Component Failure (Electricity, Power)
- Root causes
- Unknown (No additional details provided)
- Root CAUSE analysis
- The INITIATING CAUSE was a release of hydrogen and other fammable gases during a shutdown caused py electrical power transient.
Facility
- Application
- Other
- Sub-application
- PVC components for vehicles
- Hydrogen supply chain stage
- All components affected
- PVC furnaces
- Location type
- Confined
- Location description
- Industrial Area
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
Event Nature
- Release type
- gas mixture
- Involved substances (% vol)
- H2,
N2,
citric acid,
HF,
H2S - Presumed ignition source
- No ignition
References
- Reference & weblink
ARIA data base <br />
event no. 735
JRC assessment
- Sources categories
- ARIA
