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Sakai Refinery

Site Profile(as of March 31, 2007)

  • Address
    3-16 Chikkoshin-machi, Sakai, Osaka
  • Start-up
    October 1968
  • Total area
    1,246,368 m2
  • Employees
    196
  • Capacity
    80,000 barrels/day
  • ISO 9001
    March 14, 1997
  • ISO 14001
    March 20, 1998
Number of visitors to the refinery in fiscal 2006 26 visits; 151 people Working hours with no accidents (as of December 2005) 470 thousands hours PCB custody status

High voltage condensers

15 units


Others
Sakai Refinery
Sakai RefineryMAP

Number of Staff holding Environmental Qualifications(as of March 31, 2007)

Air pollution control manager 20
Water pollution control manager 14
Noise pollution control manager 4
Vibration pollution control manager 2
Specified dust pollution control manager 1
General dust pollution control manager 2
Dioxin pollution control manager 1
Hazardous materials officer (Class A & B) 292
High-pressure gas production safety manager (Class A & B) 162
Qualified person for energy management 14
Specially-controlled industrial waste manager 5
Environmental measurement engineer 2
Boiler operator (Special grade) 4
Boiler operator (1st & 2nd grade) 146

Regulated Pollutants

Air pollutants

Pollutant Standard Actual Performance in FY2006
Maximum Average
NOx (m3N/hour; total pollutant load control) 50.028 15.97 8.94
SOx (m3N/hour; total pollutant load control) 48.011 17.59 0.5
Particulate (CG/EB) (g/m3N) 0.03 Below measurement threshold

Water pollutants

Pollutant Standard Actual Performance in FY2006
Maximum Average
COD (kg/day; total pollutant load control) 186.48 115.96 52.34
COD (mg/l) 15 (10) 9.6 5.8
SS (mg/l) 40 (30) Below measurement threshold
Oil content (mg/l) 2 Below measurement threshold
Nitrogen (kg/day; total pollutant load control) 206.02 98.36 37.04
Nitrogen (mg/l) 35 3.0 2.6
Phosphorus (kg/day; total pollutant load control) 24.87 1.653 0.295
Phosphorus (mg/l) 1.5 0.090 0.047
Phenols (mg/l) 2 Below measurement threshold
Benzene (mg/l) 0.1 Below measurement threshold
Note: Values in ( ) indicate daily average.

Environmental Performance (PRTR)

PRTR Listed Substances Release Volume Transfer Volume
Air Water Soil Total
Ethylbenzene (kg/year) 120 0 0 120 0
Xylene (kg/year) 640 0 0 640 0
1,3,5-trimethyl benzene (kg/year) 2.0 0 0 2.0 0
Toluene (kg/year) 1,700 0 0 1,700 0
Nickel compounds (kg/year) 0 0 0 0 1,400
Benzene (kg/year) 550 0 0 550 0
Asbestos (kg/year) 0 0 0 0 1,800

Note: In addition to above, we treat 2-aminoethanol, tetrachloroethylene, and hydrazine over 1,000 kg per year, the release and transfer volumes are 0 kg per year for all substances.

Environmental Performance (energy, etc.)

Energy Consumption

Energy Consumption

CO2 Emissions

CO2 Emissions

Sulfur Oxide (SOx) and Nitrogen Oxides (NOx) Emissions

Sulfur Oxide (SOx) and Nitrogen Oxides (NOx) Emissions

COD Discharge

COD Discharge

Industrial Waste

Industrial Waste

Environmental Accounting

Environmental conservation costs

 
Category and Key Activity FY2006
Investment Expense
1. Business area costs Pollution prevention 55 556
  Global environment conservation 1 3,387
  Resource circulation 0 67
2. Upstream and downstream costs Green purchasing 0 0
  Reducing environmental impact of products 131 5,724
  Reducing sulfur content of products (121) (3,455)
  Replacement of toxic substances in gasoline (10) (2,269)
3. Administration costs   0 49
4. Research and development costs   0 0
5. Social activity costs   0 0
6. Environmental remediation costs   0 0
Total 187 9,783
Note: Recycled paper purchased: 1 million yen

Economic benefits

 
Details of Benefits FY2006
Energy conservation (cogeneration) 135
Total 135

Environmental conservation benefits

Item FY2006
Concentration / unit value Environmentel impacts
(1)Benefits corresponding to worksite costs    
Resources input into business activities    
Energy input 9.40 (kl-crude/1,000kl) 9,311 (TJ)
Water input 237 (kg/kl) 6,053 (1,000t)
Related to environmental impacts and wastes generated by business activities    
Emissions to air CO2 22.69 (kg-CO2/kl) 580 (1,000t-CO2)
  SOx 0.5 (g/kl) 13 (t)
  NOx 6.4 (g/kl) 164 (t)
  Benzene 0.02 (g/kl) 0.55 (t)
Discharge to water COD 0.81 (g/kl) 20.7 (t)
Industrial waste Generated 208 (g/kl) 5,315 (t)
  Recycled 63 (g/kl) 1,601 (t)
  Landfill 0 (g/kl) 1 (t)
(2)Benefits related to upstream and downstream costs    
Benefits of reducing environmental impact of products    
Reducing sulfur content of products (sulfur content: mass %) (potential SOx emissions: t)
  High octane gasoline 0.0004 1
  Regular gasoline 0.0004 5
  Naphtha 0.0379 87
  Jet fuel oil 0.0392 249
  Kerosene 0.0009 2
  Diesel fuel oil 0.0007 8
  Heavy fuel oil A 0.3224 1,881
  Heavy fuel oil C 2.4125 25,307
  LPG 0.0006 1
  Total 0.5166 27,540
Reducing benzene in gasoline 0.4959(vol %) 4,267 (t)
Reduction of CO2 emissions from product use 2.5245 (t-CO2/kl) 8,371 (1,000t-CO2)

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