Polyethylene Plants Operation

Course Code: EM38

►Course Objective


  • identify and assess the risks inherent to product handling, equipment use and operations,
  • measure the possible consequences on safety, health and the environment,
  • apply recommended preventive measures,
  • adopt the most appropriate behavior to counter risks.


►Target Audience


  • Operating personnel (engineers, shift leaders and/or operators) in refineries and petrochemical/chemical plants; any staff involved in operations (maintenance, SHE department).


►Course Outline




  •  Hazard and risk identification.
  • Safety, health, environmental consequences.
  • Risk management: technical, organizational and human aspects.




  • Flammability:
  • Explosive atmosphere: combustible products (gaseous, liquid and solid). Oxidizers. Ignition sources; flames, self-ignition temperature, sparks and static electricity, pyrophoric products, etc.
  • Preventive measures and precautions: during normal conditions, during draining and sampling; in the event of leaks; with regard to storage tanks; during loading and unloading; during repair work.
  • Risks and precautions related to BLEVE.
  • Fluid behavior and related risks:
  • Pressure in a vessel and consequences of an increase or decrease in temperature: thermal expansion, vaporization, collapsing due to vacuum, freezing due to pressure drop, etc.
  • Risk assessment and preventive measures.
  • Chemical and physical hazards involving personnel:
  • Poisoning: ingestion, metabolism and elimination. Prevention.
  • Burns caused by heat sources and chemical products.



  • Precautions and risks related to the use of utilities: inert gases, liquid water, steam, air, gas oil, fuel gas.
  • Safety related to blowdown and drainage toward: flare, slops, tanks, oily water…
  • Blinding procedures: conditions for installing blinds or spades.
  • Degassing-inerting: steam, nitrogen, water, vacuum, work permits…
  • Entry into vessels. Atmosphere analysis: oxygen content, explosivity, toxicity.
  • Start-up: checks, accessibility and cleanliness, line up, nitrogen-, water-, steam- or vacuum deaeration.
  • Tightness testing; commissioning and start-up.



  • Human factors. Safety barriers, compliance with procedure, risk of routine.
  • Employees' involvement: commitment and responsibility.
  • Available tools to improve safety: procedures, risk assessment, safety meetings, accident investigation and reporting, audits, field observations, emergency drills.


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Date & Location

Date : 10 March 2019

Duration : 5 days

Place : Kuala Lumpur

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Date : 13 October 2019

Duration : 5 days

Place : Beirut

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