Safety Alert
Electrolytic Chlorination Units (Electrolysis) in Marine Ballast Treatment Systems
Electrolytic Chlorination Units (Electrolysis) in Marine Ballast Treatment Systems
- HSE
- Safety Alert
- ED2-2016
- Hazardous SubstancesMachinery and EquipmentMarine Operations
- ExplosionFunctional safetyHydrogen safetyMechanical failurePressure systems
- Inspection and maintenance
- Water treatment systems
- Pressure reliefRisk assessment
- Marine industry
- Offshore installation
Summary
Safety alert following catastrophic failure of an electrolytic ballast-water treatment unit on a UKCS semi-submersible installation. It describes projectile damage and potential overpressure or hydrogen explosion hazards, including continued electrode operation during low or absent flow. Operators should assess risks, with attention to pressure relief and instrumented protection assurance.
Classifications: Explosion; explosive atmospheres.
Classifications: Functional safety; safety instrumented systems; SIS.
Classifications: Hydrogen safety.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Water treatment systems.
Classifications: Pressure relief; overpressure protection.
Classifications: Risk assessment; hazard assessment.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Offshore installation; offshore platform; offshore rig.
ED2-2016. Themes: hazardous substances, machinery and equipment, marine operations.