Release of Hydrogen and Sulfides from a Pvc Reactor
Leakage of a mixture of hydrogen, nitrogen, citric, hydrofluoric and hydrogen sulfide occurs during ventilation shutdown on high temperature PVC furnaces. The accident follows an electrical outage related to the failure of a general circuit breaker during the switchover by the electricity providers from the emergency power supply to the main power supply.
Event Date
March 1, 1989
Record Quality Indicator
Region / Country
Event Initiating System
Classification of the Physical Effects
Nature of the Consequences
Causes
Cause Comments
The accident follows an electrical outage related to the failure of a general circuit breaker during the switchover by the electricity providers from the emergency power supply to the main power supply.
Facility Information
Application Type
Application
Specific Application Supply Chain Stage
Components Involved
PVC furnaces
Storage/Process Medium
Location Type
Location description
Industrial Area
Pre-event Summary
The accident follows an electrical outage related to the failure of a general circuit breaker during the switchover by the electricity providers from the emergency power supply to the main power supply.
Lessons Learned
Lessons Learned
Unknown
Event Nature
Emergency Action
Unknown
Detonation
No
Deflagration
No
High Pressure Explosion
No
High Voltage Explosion
No
Source Category
References
References
ARIA data base
event no. 735