Kalundborg Refinery

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Summary Information

  • Ownership: Statoil
  • Website: http://www.statoil.com/
  • Location: Kalundborg in Denmark
  • Capacity: 5.5 million tons/annum & 110,000 bbl/day
  • Nelson Complexity:

Refining Units

  • CDU, 110,000 bbl/day
  • VDU
  • Hydrocracker
  • Diesel Desulphurisation, 20,000 bbl/day
  • Visbreaking unit

Terminal Capacity

  • Crude Oil:
  • Refined Products:

Crude Supply

  • The refinery primarily processes various crude oils and condensates from the North Sea, which are brought in by ship.
  • Condensate comes chiefly from the Sleipner area via Statoil’s gas processing plant at Kårstø north of Stavanger.

Products Produced

  • petrol, jet fuel, diesel oil, propane, heating oil and fuel oil.
  • Kalundborg delivers petrol and diesel oil with less than 50 ppm (0.005%) of sulphur.

Ongoing Projects

  • -

Other Information

  • Countries around the Baltic represent the principal market for products from the refinery.
  • The fertiliser plant converts sulphur and nitrogen from the desulphurisation process for oil products into liquid ammonium thiosulphate (ATS). The result has been a substantial reduction in emissions of sulphur and nitrogen oxides from the refinery.


  • 1960 DanskVedolA/S built the refinery (20 kbbl/d)
  • 1963 DanskESSO A/S takes over the refinery, the capacity is expanded to 70 kbbl/d in 1967
  • 1981 The Visbreakeris installed (fuel oil conversion)
  • 1982 The Powerformercapacity is expanded (reduction in lead)
  • 1985 The Jetfuelunit is installed
  • 1986 Statoil takes over the refinery
  • 1986 Improvement of the waste water treatment plant
  • 1989VPS/TC project for increased fuel oil conversion
  • 1990 Sulphur Plant is installed (clausunit)
    • Mild hydrocracker(fuel oil conversion)
    • Powerformerexpansion
  • 1995 Condensate refinery is inaugurated
  • 1996 Low benzene gasoline is introduced
  • 1997 Agreement about technical support for the SIRI oilfield
  • 1998 - Soaker Visbreaker is in operation (heavy fuel to diesel)
  • The refinery began to produce agricultural fertiliser in 2000, utilising a completely new facility designed in cooperation with Denmark’s Haldor Topsøe Ltd.
  • Built at a cost of DKK 400 million, the Synflex facility came on stream in the summer of 2002 with an annual capacity of about one million tonnes of sulphur-free diesel oil (defined as 10 parts per million of sulphur, or 0.001%).

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