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This course is not scheduled.
Who should attend?


    • Engineers and supervisors of light and middle distillates processing units.


  • Foundation
  • This course provides a thorough knowledge of operations and processes involved in gasoline and diesel production.
Learning Objectives
  • Upon completion of the course, the participants will be able to:
  • link processing units operation to various constraints set by product specifications,
  • analyze operating parameters and their impacts,
  • acquire the basics for operating processing units,
  • know about the latest developments in these processes.
Course Content


0.25 day

  • Origin and characteristics of naphtha cuts.
  • Octane properties and hydrocarbon (HC) families. Quality requirements.
  • Gasoil and Diesel oil: cetane, cold flow and other properties.


1.25 days

  • Refinery octane pool: processes for octane improvement-gasoline sources.
  • Process basics: thermodynamics and kinetics of chemical reactions. Hydrogen production.
  • Role of catalysts - Types of catalysts - Activation, ageing, poisoning.
  • Industrial units: process flow scheme of SR and CCR, operating conditions, performances.
  • Operating variables (WABT, WHSV, H2/HC ratio, recycle gas composition, pressure).
  • Management of hydrogen production: H2 balance, impact of feed properties and operating conditions.
  • Shutdown, regeneration and startup.
  • Catalyst regeneration steps and control.


0.5 day

  • Integration in the gasoline production scheme. Isomerization reaction characteristics.
  • Different types of catalysts: properties, activation, poisons, operating conditions.
  • Industrial process: principle and specific constraints.
  • Downstream separation main types and impact of recycling.


2 days

  • Removal of impurities, hydrogenation of unsaturated compounds: chemical reactions and their characteristics.
  • Role and types of catalysts in relationship with feeds, hydrogen consumption and required results.
  • Operating conditions and main variables (temperature, WHSV, H2/HC ratio, ppH2, etc.).
  • Catalyst loading map; cycle length optimization.
  • Main refining applications and specific operating features, example of gasolines and middle distillates desulfurization.


0.25 day

  • Role of sweetening process, basic chemical reaction, nature and efficiency of the catalyst.
  • Main applications for LPG’s, naphtha’s and kerosene cuts.
  • Operating conditions: temperature, caustic concentration, mixing efficiency, air injection, etc.


0.75 day

  • Refinery sulfur balance. Importance of sulfur recovery chain processes.
  • Amine scrubbing: reversible chemical reactions and operating parameters.
  • Industrial process and operating parameters as air/H2S ratio, steam production.
  • Sulfur recovery unit: Claus chemical reactions.
  • Process control and impact on environment: causes for sulfur emission increase.
  • Tail gas treatments: process principles, operating conditions.
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Ways & Means
  • Numerous case studies based on real industrial situations.