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CHIBA REFINERY
Entity
Kosumo Enajī Hōrudingusu kabushiki gaisha
Site Category
Refining and Chemicals Operations
Postal Code
〒290-0058
Location
/ Ichihara
State / Province
Chiba
Street
Goikaigan, ２
Website
https://coc.cosmo-oil.co.jp/eng/company/chiba.html
Description

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 Facilities

Crude Oil Tanks 13 units 930,902 kl
Finished Product /
Semi-processed Product Tanks		 108 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
UserPic  Kokel, Nicolas
Modified
6/3/2025 5:05 AM
Added by
UserPic  peters, duncan
Added
9/3/2022 12:49 PM
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