Electrostatic Hazards

Training Period: 1 Day

Electrostatic hazards are often given the blame as the cause of an accident when it is unclear what in fact was the ignition source. Yet, the processes leading to the generation of electrostatic charge, accumulation, and discharge are well understood, and hence, electrostatic hazards as a possibility for causing ignition of flammable gas, vapor, or dust clouds can be prevented.




You will learn how electrostatic charge is generated and accumulated, what can be ignited depending on what has been charged, and methods to evaluate and control electrostatic hazards.



Professionals concerned with the risks and vulnerabilities associated with the potential ignition of flammable gases, liquids and dust by electrostatic sparks and discharges including:

  • Process safety engineers
  • Electrical engineers
  • Chemical engineers
  • Mechanical engineers
  • Process engineers/ scientists
  • Safety consultants
  • Oil and Gas HSE engineers
  • Incident investigation team members



In general, no special prerequisites are required. However, knowledge in process safety and experience in plant operation will be helpful.



Day 1

09:00 General introduction

Accumulation, different types of discharges, minimum ignition energy, liquids and dusts

09:45 Charging and accumulation

Principles of charging and pre-requisites for charge accumulation, induction, triboelectric effect

10:30 Coffee break – Q&A
10:45 Electrostatic sparks and discharges

Electrostatic sparks, corona discharges, brush discharges, propagating discharges, cone discharges, mechanisms, discharge energies, results latest research

12:00 Lunch
13:00 Preventive measures in practice – liquids

Large and small tanks, metal and non-conductive containers, non-conductive liquids, emulsions, grounding, guidelines

14:00 Preventive measures in practice – dusts

Hazard assessment and prevention of various types of discharges, grounding, choice of types of big bags

15:00 Coffee break – Q&A
15:15 Demonstration of electrostatic hazards and their prevention

Charging, accumulation, discharges, ignition of gas- and dust-air mixtures

16:15 Q&A
16:45 End of Course


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