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• Main feed to ROG Cracker are the off gas streams from the adjacent two refineries.
• ROGC production: 1.45 MTPA Ethylene, 133 KTA Propylene, 132 KTA Hydrogen.
• Design features:
  • 6 Technip Energies Technology SKM™ cracking furnaces (C₂/C₃ cracking) - 50t/h ethylene per furnace.
  • Production from cracking: 960 KTA ethylene.
  • 3 chilling trains combined on the same plot area.
  • Ethylene and propylene refrigeration cycle common for the three trains.
• Project overview:
  • Pretreatment section:
    • Amine Wash.
    • Unsaturated gases impurities removal, caustic wash and drying.
    • Unsaturated gases compression and hydrogenation.
    • Unsaturated gases chilling train.
    • Saturated gases impurities removal, caustic wash and drying.
    • Saturated gases treatment fractionnation.
    • Saturated gases chilling train.
  • Utility section:
    • Ethylene and propylene refrigeration system.
    • H₂ purification and compression system.
    • Spent caustic treatment.
    • Waste water treatment.
    • Instrument air, service air, nitrogen.
    • Steam condensates polishing.
    • Flare system.
    • Regeneration gas facilities.
    • Buildings (substation, plant interface buildings, etc.)
  • Process section:
    • Cracking furnaces.
    • Hot section and dilution steam generation.
    • Cracked gas compression caustic wash and drying.
    • Cracked gas chilling train.
    • C₂+C₃ fractionnation.
    • C₅-C₉ hydrogenation.

Source: Technip Energies, 19th Feb 2021, Reliance Ethylene Complex, Youtube