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Refining_Process.ppt
- 2. Diesel Gas Oil Crude Oil Bitumen Roads Long Chain Molecules Gas treatment Sulphur Recovery Sulphur H2S H2S Waxy Distillate Butane De-asphalting Asphalt Fuel oil De-asphalted oil DAO Desulphurisation Kerosine Shorter Chain Molecules Hydrogen Manufacturing Unit Hyrdrocracker Hydrogen High Vacuum Separation Vacuum Gas Oil Long Residue Distillation Diagram of Refinery Units Platformer Petrol
- 3. CDU1 CDU2 HVU1 BBU HVU2 BDU HCU HMU HDS2 Split HDT Plat DePr HDS1 Fuel Gas GasOil Blend Mogas Blend FuelOil Blend RG RG H2 RG H2 RG H2 RG H2 RG Natural Gas Syngas and Reformates Condensates and Low Sulphur Crudes High Sulphur Crudes Imported Residues High Sulphur Crudes Low Sulphur Crudes Imported Residues Naphtha Kero LGO HGO Long Residue Naphtha Kero LGO HGO Long Residue Sulphur Refinery Gas Regular Mogas Premium Mogas Kero / Avtur CO2 Automotive Gasoils and Marine Light Fuel Oil Bunkers Heavy Fuel Oil Refinery Fuel Bitumen 80/100 Bitumen 180/200 Bitumen 45/55 The Process Units
- 4. GASOILS 32% JET/ KERO 14% MOGAS 30% FUELAND LOSS 7% FUEL OILS 17% Approx 7 Barrels to the Tonne A Typical Crude Barrel
- 5. Distiller Units Platformer Hydrocracker Gasoil Hydrotreater Kerosine Hydrodesulphuriser Depropaniser Hydrogen Manufacturing unit High Vaccuum Unit Butane Deasphalting unit Bitumen Unit Sulphur Recovery Product Blending Crude Products out The Process Units
- 6. Distillation • The initial separation takes place in the distillation Column • The Crude is first heated in a furnace to a temperature of 360 oC • It enters the column and vapours and liquids separate • The light vapours rise to the top whilst the heavier liquids fall to the bottom
- 7. Furnace Distillation Column Crude Kerosene Gases +Tops + Naphtha Light Gasoil Heavy Gasoil Long Residue
- 10. Hydrogen Under Pressure and Heat Reaction takes place and Hydrogen bonds with Sulphur to form H2s Desulphurisation Process Reactor Catalyst Sour Tops + Naphtha Sour Gasoil Sour Kerosene Desulphurised Kerosene Desulphurised Tops + Naphtha Desulphurised Gasoil H2S
- 11. • Increases low Octane Naphtha to high Octane Platformate • Uses Heat and Pressure in a Reactor • Hydrogen is evolved in the process • Platinum Catalyst assists the process PLATFORMING
- 13. High Octane Platformate Naphtha From Splitter Hydrogen Recycle Hydrogen To Users Reactor Furnace Separator 50 OCTANE 100 OCTANE 520°C 18 barg 515°C 40°C E Platformer Unit Blending Tank
- 15. Bitumen Feed Tanks Long Residue High Vacuum Unit - HVU 1 Vacuum Gases Vacuum Gas Oil 180 Pen Bitumen
- 16. To Hydrocracker for furthur Processing Gases Vacuum Gas Oil 180 Pen Bitumen Blowing Column To Refinery Gas System Truck Loading and shipping 45/55 Pen Bitumen
- 17. Hydrocracking
- 18. What is Hydrocracking ?? Production of high quality light products from heavy oils, in the presence of Hydrogen.
- 19. Hydrocracker Overview HCU Long Residue 5500 t/d HVU VGO 200 t/d 3200 t/d Waxy Distilate BDU Asphalt 900 t/d Asphalt 10 t/d 70 t/d Butane 145 t/d Plant gas Adip gas Steam 1400 t/d Hydrogen 140 t/d Tops/Naphtha Gasoil Gas 120 t/d 1100 t/d 2000 t/d 900 t/d Kerosine Short Residue 1900 t/d DAO 1000 t/d Hydrogen Manufacturing Unit Hydrocracker High Vacuum Unit BUTANE DE-ASPHALTING UNIT
- 20. Sulphur Recovery Unit Converts H2S into Sulphur For use by Fertiliser Companies
- 21. Sulphur Pit H2S Feed Main Furnace Coalescer Stack Line Burner Incinerator Reactor Reactor Waste Heat Boiler Line Burner Fuel Gas Fuel Gas Line Burner Fuel Gas Liquid Sulphur 59% A A B C D C B D Liquid Sulphur Liquid Sulphur Sulphur Recovery Unit
- 23. Reactor Waste Heat Boiler Upper Quench Column To SWS Quench Water Cooler Lower Quench Column Blower KO Drum SCOT Feed Gas SCOT Burner FG Air SCOT Unit Absorber Colum (ADIP) To SRU KO Drum Lean ADIP Semi Rich ADIP