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2 days RAF/ISOM-E
  • Engineers, senior operation personnel or technical supervisory staff interested or involved in the operation, optimization and monitoring of octane boosting processes.
  • Engineers from research centers and engineering companies involved in the different aspects of the operation and process control of these units.
  • To provide a thorough understanding of various isomerization processes.
  • To learn how to optimize the operation of this unit, particularly the reaction and recycle sections.
Learning Objectives
  • To assess the influence of operating parameters on a unit performance through an analysis of the catalyst's activity.
  • To learn about potential deficiencies and troubleshooting.
  • To acquire the best practices for unit start-up, normal operation and shutdown.
Ways and means
  • Applications, teamwork, case studies and interactive workshops based on typical real situations.
Der Vortrag ├╝ber dieses Thema kann auch auf Deutsch gehalten werden.

The isomerization process in the refinery octane pool 0.75 day
  • Quality specifications of gasolines, reformulated gasoline and future trends.
  • Octane improving processes, and place and role of isomerate in the octane pool.
  • Comparison of different types of isomerization processes and performances, integration within the refining processes.
  • Feedstock and product properties, minimum benzene schemes.
Isomerization chemical reactions and catalysts 0.25 day
  • Review of the characteristics of the chemical reactions. Thermodynamics and kinetics considerations for optimization of the yield. Influence of the operating parameters and reactors arrangement.
  • Characteristics of the different generations of catalysts. Contaminants and poisons, consequences on the process arrangement. Operating precautions.
Operating parameters 0.25 day
  • Process flow and parameters of an isomerization unit, for the three main categories of catalysts.
  • Material balance.
  • Operating variables: temperature and temperature profile, difference of temperature, H2/HC ratio, flow rates, feed and make-up gas characteristics, recycle flow rates (H2 or low octane parrafins).
Operation and troubleshooting 0.75 day
  • Unit operation: influence of operating variables on performance catalyst activity monitoring.
  • Operation of the separation sections (deisohexanizer, molecular sieves, etc.) and monitoring of the recycle of the paraffins with low octane number.
  • Optimization criteria. Maximizing the performances of the unit under limit conditions.
  • Disturbances: diagnosis, causes and remedies (RON decrease, moisture in the feed, high benzene in the feed, sulfur peak, chlorine peak, recycle or separation issues).
  • Reactor temperature run-off.
  • Main steps of start-up and shutdown.