Site
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- CHIBA REFINERY
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- Kosumo Enajī Hōrudingusu kabushiki gaisha
- Refining and Chemicals Operations
- 〒290-0058
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/ Ichihara - Chiba
- Goikaigan, ２
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Cosmo Oil operates the Chiba I refinery, which is located in Chiba, Japan. It is an integrated refinery owned by Cosmo Oil with a crude processing capacity of 177,000 barrels/day. The refinery, which started operations in Feb 1963 and covers a total area of 1,169,547 m², (North Area: 66,015 m², South Area: 492,532 m²) has an NCI of 10.17.
Capacity of Major Equipment
No.1 Topping Unit 75,000 barrels / day No.2 Topping Unit 102,000 barrels / day No.2 Vacuum Distillation Unit 60,000 barrels / day Prefractionator Unit 23,000 barrels / day No.1 Catalytic Reforming Unit 11,500 barrels / day No.1 Reformate Splitter 9,000 barrels / day No.2 Catalytic Reforming Unit 25,000 barrels / day No.2 Reformate Splitter 20,000 barrels / day Fluid Catalytic Cracking Unit 40,000 barrels / day FCC Gasoline Hydrodesulfurization Unit 24,000 barrels / day No.1 Hydrodesulfurization Unit 8,000 barrels / day Isomerization Unit 6,000 barrels / day No.2 Hydrodesulfurization Unit 26,000 barrels / day No.3 Hydrodesulfurization Unit 55,000 barrels / day No.4 Hydrodesulfurization Unit 50,000 barrels / day Vacuum Gas Oil Hydrodesulfurization Unit 35,000 barrels / day Hydrogen Recovery* 2 units 643,200 m3N / day No.10 Fuel Oil Hydrodesulfurization Unit 36,000 barrels / day No.20 Fuel Oil Hydrodesulfurization Unit 36,000 barrels / day No.1 Hydrogen Producing Unit 648,000 m3N / day No.10·20 Hydrogen Producing Unit 880,000 m3N / day x 2 Sulfur Recovery Unit 150 t / day (With Tail Gas Treating Unit) 165 t / day × 2 *by Membranes Separation System Unit
Power Facilities
Boilers 4 units 423 t / hour Power Receiving Equipment 1 unit 90,000 kVA Steam Turbine Generators 4 units 26,600 kW Co-generation Unit 39,500 kW
65 t / hour
Oil Storage FacilitiesCrude Oil Tanks 13 units 930,902 kl Finished Product /
Semi-processed Product Tanks108 units 1,300,952 kl Sulfur Tanks 2 units 26,424 t LPG Tanks 18 units 23,027 t Port Facilities
Crude Oil Tanker Berth 1 unit 100,000 DWT Keiyo Sea Berth 1 unit 314,250 DWT Loading / Unloading Piers 15 units
System Info
- Modified by
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Kokel, Nicolas - Modified
- 6/3/2025 5:05 AM
- Added by
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peters, duncan - Added
- 9/3/2022 12:49 PM
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| Indicator | Unit | Value | |||
|---|---|---|---|---|---|
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Modelling Status | True | 1 | ||
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Nelson Index | Number Dec | 10.17 | False | 10.17 |
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