Day 1- 18th March 2013
Introduction and Basic Terminology
• What is hydroprocessing?
• Hydrocracking vs hydrotreating
• Typical flow diagram
• Typical process conditions
• Terminology and acronyms
Hydrocracking Basics
• What is a hydrocracker?
• History of hydrocracking
• Hydrocracking licensors
Hydrocracking Chemistry
• Typical molecules
• Desirable reactions - pretreating, aromatic saturation, hydrocracking
• Undesirable reactions - recombination, PCA build-up, thermal hydrocracking
• Hydrogen consumption and heat release
Process Configurations
• Single stage once through
• Single stage recycle
• Two stage recycle
• Other flow-schemes
Hydrocracking Catalysts
• Characteristics
• Properties
• Components
• Manufacture
• Layering
• Regeneration
Kinetics
• Basic kinetic theory and formulae
• Why normalise operating data?
• Worked example of normalisation
• Examples of advanced normalisation techniques
Feed Effects
• Feed cut-point
• Straight-run versus cracked feed
• Effect of nitrogen
• Effect of feed contaminants
End of day one
Day 2 - 19th March 2013
Process Variables - effect of variation in:
• Feed rate
• Partial pressure
• Gas-to-oil ratio
• Reactor temperature
• Temperature profile
• Recycle cut-point
• Per pass conversion
Reactor Internals
• Why do reactors have multiple beds?
• Purpose of reactor internals
• Examples of reactor internals
Product Recovery
• Fractionation basics
• Fractionation troubleshooting
• Fractionation optimisation
• Fractionation performance monitoring
Shutdown Guidelines
• Short-term shutdowns
• Medium-term shutdowns
• Long-term shutdowns
Catalyst Changeouts
• Importance of well-managed catalyst changeouts
• Catalyst unloading
• Process inspection
• Catalyst loading
Start-up Guidelines
• Introducing oil to dry catalyst
• Sulphiding
• Titration
• Reduction of noble-metal catalysts
End of day two
Day 3 - 20th March 2013
Emergency Guidelines - How to respond to unit upsets:
• Loss of makeup gas
• Loss of recycle compressor
• Loss of feed
• Temperature excursion
Monitoring, Troubleshooting and Optimisation
• Monitoring techniques for:
o Feed quality
o Rotating equipment
o Heat exchangers
o Furnace
o Reactor
o Air-coolers
• Maximising utilisation
• Maximising upgrading
• Energy optimisation
Residue Processing
• Typical feedstocks
• Residue processing chemistry
• Fixed bed, moving bed and ebullating bed processes
• Resid catalysts and deactivation
Metallurgy and corrosion
• Typical materials of construction
• Common corrosion mechanisms
• Corrosion mitigation strategies
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