Event
- Event ID
- 411
- Quality
- Description
- An oil leak in a hydrogen compressor was identified by a technician performing regular maintenance on the compressor.
The oil leak had caused a contamination of the entire hydrogen system from the compressor to the filling nozzle. - Event Initiating system
- Classification of the physical effects
- No Hydrogen Release
- Nature of the consequences
- Macro-region
- Europe
- Country
- Norway
- Date
- Main component involved?
- Compressor / Booster / Pump
- How was it involved?
- Leak
- Initiating cause
- Unknown
- Root causes
- Unknown (No additional details provided)
- Root CAUSE analysis
- The contamination was noted during maintenance, but occurred before, during normal operation.
Facility
- Application
- Hydrogen Refuelling Station
- Sub-application
- hydrogen compression
- Hydrogen supply chain stage
- Hydrogen Compression (No additional details provided)
- All components affected
- oil, compressor membrane,
dispenser,
filling nozzle - Location type
- Unknown
- Operational condition
- Pre-event occurrences
- The contamination was noted during maintenance, but occurred during before, during normal operation.
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Post-event summary
- Air Liquide stopped the production of Hydrogen and the filling of the buses and the entire system from compressor to the filling nozzle was taken apart and cleaned.
Lesson Learnt
- Corrective Measures
- An oil leak detection system (coalescent filter and optical sensor), was installed.
Event Nature
- Release type
- no release
- Presumed ignition source
- No release
References
- Reference & weblink
Report available but confidential
JRC assessment
- Sources categories
- Investigation report
