Event
- Event ID
- 1005
- Quality
- Description
The explosion and fire happened in a diesel hydro-treatment unit used to desulphurise raw diesel be means of hydrogen.
The facility was expected to begin full commercial operations later in 2020.
- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Macro-region
- Asia
- Country
- Malaysia
- Date
- Component involved
- unknown
- Failure mode
- rupture & ignition
- Initiating cause
- unknown
- Root causes
- Unknown
- Date entry in HIAD
- 01/01/2019
Facility
- Application
- Petrochemical industry
- Sub-application
- Hydrodesulphurisation process
- Hydrogen supply chain stage
- All components affected
unknown
- Process pressure range [MPa]
- unknown
- Location type
- Open
- Location
- industrial area
- Operational condition
- Pre-event occurrences
The plant had not yet reached commercial oepration.
Emergency & Consequences
- Number of fatalities
- 5
- Number of injured persons
- 2
- Post-event summary
The fire caused operations at the refinery to be stalled for almost two years and resumed in 2022.
Lesson Learnt
- Corrective Measures
The bus company requested the valve manufacturer to investigate the solenoid valve and to issue a report.
In-depth data
- Release type
- gas mixture
- Involved substances (% vol)
- H2,
diesel - Probable IGNITION SOURCE
- Explosion type
References
- Sources categories
- FireWorld
- Reference & weblink
IFW news of March 16, 2020
https://www.industrialfireworld.com/546765/five-killed-in-malaysian-ref…The Edge news of 31 October 2022
https://theedgemalaysia.com/article/frankly-speaking-yet-another-fire-p…
(accessed December 2025)