Cosmo Oil Sakai Refinery

Cosmo Oil Sakai Refinery is a refinery in Japan with a reported capacity of 100,000 BBL per day. It processes crude oil into fuels and petrochemical feedstocks through distillation, cracking and reforming. It is operated by Cosmo Oil . By capacity it ranks #18 of 21 oil refineries tracked in Japan. It emits about 855,661 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 199,455 cars.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3143979.

Bağlamda: bu tesis nasıl karşılaştırılır

100,000 BBL per day'de, Cosmo Oil Sakai Refinery Japan'daki refinery'lerin medyanı altında 145,000 BBL per day'dir. Alt sektör: oil-and-gas-refining. refinery olarak, temel endüstriyel işlemleri için yoğun proses ısısı (tipik olarak 200–600°C) gerektirir — kazanlar, fırınlar veya doğrudan yanma ile sağlanması gereken ısı, ve izolasyon yapılmamış kaplar ve boruların kayıpları harcanan yakıtı temsil eder. Modüler çıkarılabilir yalıtım bu kayıpları %80–96 oranında azaltabilir, yüzeyleri ≤45°C'ye soğutabilir, geri ödeme süresi genellikle 2 yıldan azdır. Rafineriler, enerji yoğun destilasyon ve kraking yoluyla ham petrolü yakıtlara ve petrokimya hammaddelerine ısıtır, fraksiyonlar ve kimyasal olarak dönüştürür — buhar üretimi ve ısı geri kazanımı için son derece taleplidir.

Kapasite ve CO₂ yoğunluğu karşılaştırması Climate TRACE endüstriyel tesis verilerinden hesaplanmıştır; sektör rolü mühendislik referansına dayanmaktadır.

What 855,661 t CO₂e a year looks like

This facility's reported annual CO₂e in the everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest oil refineries in Japan

Reported capacity (BBL per day), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Cosmo Oil .

Local climate

Cosmo Oil Sakai Refinery sits in a humid subtropical climate zone (Köppen Cfa), at 34.6°N in the northern hemisphere.

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

How it compares & nearby sites

The #18 largest of 21 oil refineries in Japan by reported capacity.

Nearby industrial sites

• ENEOS Sakai Refinery · Refinery · 1,206,482 t CO₂
• Osaka Petrochemical, Takaishi City, Osaka · Petrochemical · 639,715 t CO₂
• JPN-Takaishi_ammonia · Chemical Plant · 1,066,712 t CO₂
• Osaka Steel Sakai Works · Steel Plant · 199,522 t CO₂
• Nakayama Steel Works Osaka · Steel Plant · 34,700 t CO₂
• Kishiwada Steel Osaka Steel Plant · Steel Plant · 28,916 t CO₂

Location

Coordinates 34.56798, 135.43508. View on OpenStreetMap.

Heat loss & insulation profile

A refinery like this runs hot equipment that sheds heat continuously: crude & vacuum distillation columns, fired heaters, heat exchangers, steam lines, valves & flanges (surface/process temperatures around 150–550 °C). These surfaces lose energy to the air year-round; removable modular insulation cuts that loss, brings outer surfaces to ≤45 °C, and unclips for inspection.

Indicative recoverable energy

On an already-insulated site (pipes & valves in cladding / jackets), closing the remaining gaps, flanges and damaged sections and switching to removable covers indicatively recovers about 41,000 MWh/yr (≈ 8,300 t CO₂/yr) — scaled to this site's reported CO₂ within its sector. Bare or damaged surfaces recover several times more.

See Inzonex insulation → Estimate your site →

Indicative, not a measurement. Conservative floor for an already-insulated plant; a TIPCHECK on-site audit gives a measured figure. Industry context: EiiF TIPCHECK — industrial insulation can save ~14 Mtoe/yr in EU, payback typically <2 years.

Safety & the no-regret first step

Bare hot surfaces here exceed the touch-safe limit (EN ISO 13732-1); insulation to ≤45 °C is a worker-safety and compliance win. And before electrification, fuel-switching or CCS, eliminating surface heat loss is the cheapest, fastest, lowest-risk step — audit the bare spots first, rip-and-replace later.

Japan: funding & obligation

Funding. Subsidies to cut upfront cost of energy-saving equipment for industry/commercial; some tied to 'specified business operator' status + S/A benchmark class.

Obligation. Factories/operators with large energy use are designated 'specified business operators': must appoint energy managers, report, and file mid-to-long-term efficiency plans. (applies as a rule above the stated threshold — we don't hold this site's metered energy use).

Verified 2026; confirm current scheme terms before applying.

Frequently asked questions