Event
- Event ID
- 661
- Quality
- Description
- The incident occurred at the chlorine electrolyser. Failure of a strainer allowed sand from brine filters to get into mercury cells in a chlorine plant. It appears that the sand obstructed the flow and caused excessive hydrogen generation. An explosion occurred in the chlorine collection system.
- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Macro-region
- Europe
- Date
- Root causes
- Root CAUSE analysis
- Flow restriction and mechanical equipment failure
Facility
- Application
- Chemical Industry
- Sub-application
- Chlorine production
- Hydrogen supply chain stage
- All components affected
- filter
- Location type
- Unknown
- Location description
- Industrial Area
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
Lesson Learnt
- Corrective Measures
To monitor the pressure at the filter
Event Nature
- Release type
- gas mixture
- Involved substances (% vol)
- H2, CL2
- Presumed ignition source
- Not reported
References
- Reference & weblink
Event nr 9841 of the UK database ICHEME in PDF format. <br />
https://www.icheme.org/knowledge/safety-centre/resources/accident-data/… />
(accessed October 2020)<br />The primary source was in the journal Loss of Prevention (vol. 3)
JRC assessment
- Sources categories
- ICHEME
