Chiba Refinery

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Summary Information

• Ownership: Cosmo Oil
• Website: http://www.cosmo-oil.co.jp/
• Location: Chiba, Japan
• Capacity: 11.0 million tons/annum & 220,000 bbl/day
• Nelson Complexity:
• Refining Depth:

Refining Units

• Atmospheric Distillation 110,000 bpd + 130,000 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

• -

Products Produced

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

Ongoing Projects

• -

Other Information

• -

History

• 1963 - Refinery 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

Relevant Links

• Refinery Webpage
• Japanese Refining Capacities
• Reduction of CDU Nameplate Capacity
• Preparations for Start-Up of Crude Distillation Unit (CDU) at Chiba Refinery
• Start-Up of Crude Distillation Unit (CDU) at Chiba Refinery
• Preparations to Resume Operation of the #1 CDU at Chiba Refinery Following Completion of the Safety Inspection

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