Olefin Plants , Butadien Plants , Styrene Units

  1. Dilution Steam
  2. Quench Tower
  3. TLX
  4. Light Ends.
  5. Caustic Tower.

Anti Corrosion / Anti Fouling

Fouling at Butadien plants

Vaporizer reboiler fouling

  • Polymerization:

    • Monomers react to form extended chain / large molecules with reduced solubility.
    • Four types of polymerization mechanisms are:
      • Oxidative polymerization
      • Thermally initiated polymerization
      • Catalyzed polymerization
      • Condensation polymerization (CPI)

  • Cost of Fouling:

    • Unscheduled shutdowns
    • Lost production
    • Reduced run-lengths
    • Reduced capacity
    • Higher maintenance costs
    • Higher waste disposal costs
    • Equipment failures
    • Safety and environmental hazard