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Ether Production MTBE or ETBE

Ether Production MTBE or ETBE

2 days
RAF/ETBE-E
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Shift leaders and technical staff involved in this process.

Level

  • Proficiency
  • This course provides a comprehensive understanding of the operating, monitoring and optimizing of an ether production unit.
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.
Course Content

ETHER END USE

0.25 day

  • 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

0.5 day

  • 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

0.5 day

  • 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

0.75 day

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