3 jours 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.
- 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.
Les + pédagogiques
- Presentations by experts from the industry.
- Experience sharing.
- Applications, case studies based on typical industrial situations.
Ether end use 0.25 jour
- 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 jour
- 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 jours
- 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 jour
- 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.