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Ethylene

 

 

Typical Operating Conditions:
  • Temperature: -50 – 850° F (-45 – 454° C)
  • Pressure: 50 – 600 psig (3.4 – 41.4 bar g)

Ethylene Process Flow Diagram
  1. Feed
  2. Steam
  3. Recycle Feed
  4. Primary Heat Exchanger
  5. Fuel Oil
  6. Primary Fractionator Overhead
  7. Cooling Distillation Tower Ethylene Cut
  8. Cooling Distillation Tower Recycle
  9. Cooling Distillation Tower Water
  10. Cooling Distillation Tower Overhead
  11. Cracked Gas Compressor
  12. Pre-Fractionator
  13. Caustic Wash Column
  14. Pre-Fractionator Overhead
  15. Caustic Wash Column Overhead
  16. Drying Column
  17. Main Cooler
  18. Main Cooler Overhead
  19. Hydrogen Separator Methane
  20. Hydrogen Separator Hydrogen
  21. De-methanizer
  22. De-methanizer Overhead
  23. De-ethanizer
  24. De-ethanizer Overhead
  25. Acetylene Hydrogenator
  26. Hydrogen
  27. Ethylene Separator
  28. Ethylene Overhead
  29. Ethylene Separator Bottoms
  30. De-propanizer
  31. De-propanizer Overhead
  32. Methylacetylene Hydrogenation
  33. Hydrogen
  34. Propylene Splitter
  35. Propylene Splitter Overhead
  36. De-butanizer
  37. De-butanizer C4 Overhead Fraction
  38. De-penthanizer
  39. De-penthanizer C5 Overhead Fraction
  40. Gasoline Splitter
  41. Gasoline Splitter C6-C9 Overhead
 
  • Heat Exchanger (not shown)
  • General Ball Valves (not shown)