Day 1
Hydrocracking schemes
Product properties
- Types of reactions and kinetics – Kinetics: HDN, HDS, Hydrogenation, cracking – Reaction Mechanism – Normalisation
Catalysts
- Composition – Hydrogenation function – Acidity – Amorphous Silica-Alumina – Zeolites
- Properties of catalysts (e.g. SA, PV, MPD, strength etc)
Catalyst manufacture
- Support – Zeolite – Extrusion – Calcination – Impregnation – Quality control & Analyses
Commercially available hydrocracking catalysts
- Topsoe – ART – Axens – Criterion / Shell
Day 2
Feedstocks
Catalyst handling
- Reactor loading – Presulphiding procedures – Unloading
Catalyst testing
- Best Practices pretest – WABT Temperature profile – WHSV – Recycle cutpoint – Pressure
- Gas to oil ratio – Critical Measurements
Calculations
- Conversion – Hydrogen consumption – Normalizations of WABT’s
Day 3
Corrosion
- High-temperature – Aqueous – Wash-water injection to prevent corrosion
Safety aspects
- Catalysts – H2S – Polycyclic Aromatics – NH3- Sulphiding Compounds – Ni(CO)4
Troubleshooting
- Reasons for malperformance in – How to identify/rectify malperformance Invitation to tender/Technical offer preparation – How to prepare a technical forecast based on pilot plant data