Oita Refinery
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Summary Information

Brief Description

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Refining Units

  • Atmospheric Distillation - 136,000 bpd
  • Vacuum distillation unit - 66,000
  • Solvent Extraction System 1 6,000
  • CCR Reformer - 1 - 30,000
  • Desulphurisation
    • Gasoline - 1 - 11,000
    • Light gas oil - 2 - 43,000
    • Deep gas oil - 1 - 23,000
    • Heavy gas oil - 1 - 40,000
  • Residue fluid catalytic cracking unit 1 26,000
  • Hydrocracking unit 1 11,000
  • Gasoline, cleaning equipment 1 4,500
  • LPG recovery unit 2 560 tons / day
  • LPG Gas Cleaning System 1 Gas 270,000 Nm 3 / Sun
  • LPG 450 tons / day
  • Sulfur recovery unit - 1 - 180 tons / day
  • Hydrogen Unit - 1 - 400,000 Nm 3 / Sun
  • Liquefied carbon dioxide gas production 1 70 tons / day
  • Reformulated gasoline distillation apparatus 1 180,000 tons / year
  • (Xylene) Aromatic Equipment 1 120,000 tons / year
  • (Benzene) Paraxylene production equipment 1 420,000 tons / year
  • IPP power plant 1
    • Boiler 485 t / h
    • 149,400 kW generator

Terminal Capacity

  • Crude Oil: 950,000 Kl
  • Refined Products: 1,056,000 Kl

Crude Supply

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Products Produced

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Ongoing Projects

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Other Information

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History

  • 1962 - Construction started on refinery
  • 1964 - The refinery enters operations with 40,000 bpd
  • 1969 - Crude Capacity increased to 100,000 bpd
  • 1969 - Crude Capacity increased to 170,000 bpd
  • 1972 - Hydrogen unit commissioned
  • 2010 - The oldest crude unit was closed, reducing capacity by 24,000 bpd

Relevant Links

  1. Refinery Webpage (Japanese)
  2. On the reduction of crude oil processing capacity in Kashima and Ooita (Japanese)
  3. Chiyoda Sour Water Stripping Units
  4. Chiyoda Hydrogen Manufacturing Units

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