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Ether Production MTBE or ETBE

3 days RAF/ETBE-E
  • Shift leaders and technical staff involved in octane boosting process.
  • To provide a comprehensive understanding of the operating, monitoring and optimizing of ether production units.
Learning Objectives
  • To learn about the chemical reactions and the catalyst's operating constraints.
  • To analyze the effect of various control parameters.
  • To improve the efficiency of ether production units.
Ways and means
  • Presentations by experts from the industry.
  • Experience sharing.
  • Applications, case studies based on typical industrial situations.

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 0.75 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 1.5 days
  • 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 0.5 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.