Event
- Event ID
- 708
- Quality
- Description
- Hydrogen was released from a diesel desulfurization unit, producing a 50-meter-long horizontal torch flame upon ignition. The unit was operating normally.
Refinery firefighters responded quickly and managed to stop the hydrogen supply to the flame before a more serious accident could develop.
Material damage was minimal considering the risk involved. - Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Macro-region
- Europe
- Country
- Italy
- Date
- Main component involved?
- Unknown
- How was it involved?
- Unknown
- Initiating cause
- Unknown
- Root causes
- Unknown (No additional details provided)
- Root CAUSE analysis
- INITIATING and ROOT CAUSES unknown
Facility
- Application
- Petrochemical Industry
- Sub-application
- Hydro-desulphurisation process
- Hydrogen supply chain stage
- All components affected
- de-sulphurisation reactor
- Location type
- Open
- Location description
- Industrial Area
- Operational condition
- Unknown (No additional details provided)
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Property loss (onsite)
- low
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Presumed ignition source
- Not reported
- Deflagration
- N
- Flame type
- Other
References
- Reference & weblink
Event 88 of the French database ARIA<br />
https://www.aria.developpement-durable.gouv.fr/accident/88/<br />
(Accesed January 2026)
JRC assessment
- Sources categories
- ARIA
