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Release from flare system

Published on 06/10/22 1047 Views

During the start-up of a refinery, high amounts of iso-pentane leaked through an off-gas vent of a distillation column, to the flare. This condensed in the cold water seal of the flare and was able to overflow into the oily water sewer, where it evaporated and triggered gas alarms. The large gas cloud was not ignited.

Ask yourself and your crew:

  • How can something like this happen here (e.g. on our site)?
  • What safety measures (i.e. procedures, controls/barriers) do we have in place to mitigate the risk?
  • How do we know the risk controls/barriers are working?
  • What improvements or changes should we make to the procedures, controls/barriers or the way we work?

Original material courtesy of the European Process Safety Centre