Chiba Refinery

Summary Information

• Ownership: Cosmo Oil
• Website: http://www.cosmo-oil.co.jp/
• Location: Chiba, Japan
• Capacity: 7.9 million tons/annum & 177,000 bbl/day
• Nelson Complexity:
• Refining Depth:

Refining Units

• Atmospheric Distillation 75,000 bpd + 102,000 bpd
• Vacuum Distillation Unit 20,000 bpd + 60,000 bpd
• Prefractionator Unit 23,000 bpd
• Catalytic Reforming Unit 11,500 bpd + 25,000 bpd
• Reformate Splitter 9,000 bpd + 20,000 bpd
• Fluid Catalytic Cracking Unit 40,000 bpd
• FCC Gasoline Hydrodesulfurization Unit 24,000 bpd
• Hydrodesulfurization Units 8,000 bpd + 26,000 bpd + 55,000 bpd + 50,000 bpd
• Isomerization Unit 6,000 bpd
• Vacuum Gas Oil Hydrodesulfurization Unit 35,000 bpd
• Hydrogen Recovery by Membranes Separation System Unit 331,200 m³N / day
• Fuel Oil Hydrodesulfurization Unit 36,000 bpd + 36,000 bpd
• No.1 Hydrogen Producing Unit 648,000 m³N / day
• No.10·20 Hydrogen Producing Unit 880,000 m³N / day × 2
• Sulfur Recovery Unit(With Tail Gas Treating Unit) 150 t / day × 3
• Blown Asphalt Unit 3,600 t / month

Terminal Capacity

• Crude Oil: (13units) 930,000kl
• Finished Product /Semi-processed Product Tanks (119units) 1,490,000kl
• Lubricating Oil Tanks (66units) 24,000kl
• Sulfur Tanks (2units) 13,200kl
• Asphalt Tanks (20units) 28,000kl
• LPG Tanks (23units) 52,700kl

Crude Supply

• Crude is primarily supplied from the Middle East, including UAE, S Arabia, Qatar, Iran & Kuwait

Products Produced

• LPG, Gasoline, Diesel, Jet Fuel, Fuel Oil, Asphalt, Sulphur

Projects

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Other Information

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History

• 1963 - Refinery commissioned
• 1967 - Asphalt Unit commissioned
• 1969 - Gas Oil Hydrodesulfurization & Hydrogen Units added
• 1977 - Residuum Hydrodesulfurization & Hydrogen Units commissioned
• 2006 - Fire and explosion in the desulfurization unit
• 2010 - Nameplate capacity reduced by 20,000 to 220,000 bbl/day
• 2011 - Refinery fire occurs after an earthquake
• 2012 - Restart of CDU damaged in the fire
• 2017 - Capacity reduced to 177,000

Links

1. Refinery Webpage
2. Japanese Refining Capacities
3. Chiyoda Crude Distillation Units
4. Chiyoda Blown Asphalt (Bitumen) Units
5. Chiyoda Residuum Hydrodesulfurization Units
6. Chiyoda Vacuum Gas Oil Hydrodesulfurization Units
7. Chiyoda Hydrogen Manufacturing Units
8. Chiyoda Sulfur Recovery Units
9. Chiyoda H2S Removal Units With Amine
10. Chiyoda Sour Water Stripping Units
11. Reduction of CDU Nameplate Capacity
12. Preparations for Start-Up of Crude Distillation Unit (CDU) at Chiba Refinery
13. Start-Up of Crude Distillation Unit (CDU) at Chiba Refinery
14. Preparations to Resume Operation of the #1 CDU at Chiba Refinery Following Completion of the Safety Inspection
15. Cosmo Oil, Implementation of Restructuring of Refinery Supply
16. Refining Optimization