Event
- Event ID
- 583
- Quality
- Description
- The bonnet of a 2-inch valve on a hydrogen quench line of a lube oil hydrotreater began to leak.
12 minutes later ignition occurred with fire engulfing the upper portion of the unit.
The operative conditions were 3000 psi and 730 degrees F (ca. 200 bar and ca. 390 C).
The gas could not be blocked in and the fire burned for over 2 days. - Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Fire (No additional details provided)
- Macro-region
- North America
- Country
- Canada
- Date
- Main component involved?
- Valve (Generic)
- How was it involved?
- Leak & Formation Of A Flammable H2-Air Mixture
- Initiating cause
- Unknown
- Root causes
- Unknown (No additional details provided)
Facility
- Application
- Petrochemical Industry
- Sub-application
- hydro-treatment
- Hydrogen supply chain stage
- All components affected
- Valve of a hydrogen quench line, lube oil hydrotreater
- Location type
- Unknown
- Location description
- Industrial Area
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Actual pressure (MPa)
- 20
- Design pressure (MPa)
- 20
- Presumed ignition source
- Not reported
- Ignition delay
- 7000
References
- Reference & weblink
Original source lost
JRC assessment
- Sources categories
- Unknown
