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Production of Paraxylene - Aromatic Loops

5 jours PCH/ARO-E
Niveau
Perfectionnement
Public
  • Engineers, senior operations personnel or technical supervisory staff interested or involved in the operation, optimization and monitoring of hydrogen and aromatics production units.
  • Engineers from research centers and engineering companies involved in the different aspects of the operation and process control of these processes.
Finalité
  • To provide a thorough technical understanding of catalytic reforming and other processes of paraxylene recovery.
Objectifs
  • To assess the influence of operating parameters on a unit performance through an analysis of the catalyst's activity.
  • To optimize the process for achieving the targeted yield in BTX.
  • To learn about potential deficiencies and troubleshooting.
  • To acquire the best practices for unit start-up, normal operation and shutdown.
Les + pédagogiques
  • Applications, teamwork, case studies and interactive workshops based on typical real situations.

SOURCES, OUTLETS AND MAIN INDUSTRIAL USES OF AROMATIC INTERMEDIARIES 0.25 jour
  • Main sources: catalytic reforming, steamcracker, coke oven gases.
  • Outlet and main uses of: benzene, toluene, ethylbenzene and xylenes.
AROMATICS COMPLEX SCHEMES 0.25 jour
  • Arrangements available related to downstream markets.
  • Naphtha to paraxylene typical scheme.
  • Alternate schemes.
HIGH SEVERITY - CATALYTIC REFORMING FOR RINGS GENERATION 0.25 jour
  • Technologies available: semi-regenerative and regenerative.
  • Main differencies.
  • Influence of feedstocks origins and characteristics on the performances of the units.
  • Constraints.
  • Current yields and properties of the reformate in relation with severity.
OPERATING PARAMETERS OF A CATALYTIC REFORMER 1 jour
  • Process flow diagram and operating parameters of a continuous catalytic reforming unit. Main control loops.
  • Material balance. Energy consumption.
  • Operating variables: WABT, WAIT, H2/HC ratio, flow rates, water and chlorine injection, recycle gas and hydrogen rich gas characteristics, flash drum conditions.
  • Main equipment and metallurgy: features of reactors, heat exchangers and furnace technology, corrosion issues.
  • Specificities for low pressure technology:
  • Low pressure equipment, recontacting section, catalyst circulation: lifts, ∆P control, seal legs, nitrogen loops for regeneration, etc.
  • Analyzers and process control.
CATALYTIC REFORMING REACTIONS AND CATALYSTS 0.5 jour
  • Review of the characteristics of all the chemical reactions: thermodynamics and kinetics.
  • Influence of the operating parameters on the production of C6-C8 aromatics, hydrogen, octane number, and other yields. Consequences for the process.
  • Catalyst properties: role of the acidic and metallic functions, of the support, of the different promotors and their impact on chemical reactions and yields. Water/chlorine balance and management.
  • Catalyst composition and selectivity, poisons and ageing factors.
  • Catalyst regeneration. Role of each step for an optimal activity. Operating parameters for CCR regeneration loops.
OPERATION AND OPTIMIZATION FOR CATALYTIC REFORMING 0.5 jour
  • Unit operation: monitoring the operating variables and optimization, for regenerative units.
  • Flexibility of the continuous process towards maximizing the yield in BTX. Performance follow up.
  • Maximizing the performances of the unit under constraints or limit conditions.
  • Main steps for start-up and shutdown.
REFORMATE SEPARATION TRAIN 0.25 jour
  • Different schemes and purposes.
  • Focus on C8 cut treatment.
  • C8 cut composition ex reformate.
PARAXYLENE RECOVERY UNIT 1.5 jours
  • Technologies available: PAREX and ELUXYL processes.
  • Principles and details of an ELUXYL process.
  • Main operating parameters.
  • Main steps for start-up and shutdown.
REFINING UPGRADING 0.5 jour
  • Refining composition.
  • Catalytic isomerization reactions and catalysts.
  • Schemes available.
  • Operating conditions.
  • Main steps for start-up and shutdown.
Calendrier des formations 2016
Langue Dates Lieu Prix Inscription
30 Mai - 03 Juin Rueil 2 690 € En ligne Par email

Calendrier des formations 2017
Langue Dates Lieu Prix Inscription
24 - 28 Avr Rueil 2 750 € En ligne