Ether Production MTBE or ETBE

RAF/ETBE-E

Who should attend?

  • This course provides a comprehensive understanding of the operating, monitoring and optimizing of an ether production unit.
Audience :
  • Shift leaders and technical staff involved in this process.

Level : Proficiency

Course Content

  • ETHER END USE

      • MTBE or ETBE addition to provide unleaded gasolines. Octane number and other physicochemical properties.
      • Specification of oxygenated compounds in gasoline.
      • Other uses of MTBE or ETBE. Comparison of characteristics of different ethers.
  • ETHERIFICATION REACTION

      • Nature of reactants and products.
      • Main characteristics of the reaction: chemical equilibrium, reaction tendencies, effects of parameters on the conversion rate at equilibrium, impact of isobutene/alcohol ratio.
      • Rate of reaction constraints.
      • Catalyst implementation: nature, mechanism, poisoning.
  • ANALYSIS OF AN INDUSTRIAL ETHER UNIT

      • Process flow diagram, control loop schemes.
      • Nature of feedstocks: isobutene and alcohol (methanol or ethanol) origin. Impurities to be aware of specifications.
      • Feed preparation.
      • Reaction section: MTBE or ETBE reactor specificities and associated operating conditions.
      • Separation section: MTBE or ETBE recovery zone. Distillation step. Implementation of azeotropic distillation.
      • Separation performance.
      • C4 raffinate treatment. Water washing.
      • Alcohol recovery and recycling: for methanol and ethanol, phenomenon involved in the distillation step. Objectives and constraints of the recycle loop.
  • OPERATION - DISTURBANCES

      • Impact of operating variables: isobutene/alcohol ratio, temperature, recycle rate, pressure, flowrate.
      • Optimization criteria. Catalytic activity monitoring.
      • Catalyst handling procedures.
      • Instrumented safety systems
      • Main steps for start-up and shutdown.
      • Case studies: disturbances, incidents.

Learning Objectives

  • Upon completion of the course, the participants will be able to:
  • explain the chemical reactions and the catalyst operating constraints,
  • justify the effect of various control parameters,
  • improve the efficiency of ether production units.

Ways & Means

  • Experience sharing.
  • Applications, case studies based on your own typical industrial situations.