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Reference list (excerpt)

SNO_x-Plant in Schwechat Refinery

Owners engineer services for the removal of SO₂, SO₃, NO_x and particles from flue gas of Schwechat refinery power plant (fired by high sulphur fuel). The project required highly sophisticated project management services in order to comply with the very tight project schedule which was successfully accomplished in October 2007. Extremely small size of construction site (55 x 60 m) challenged site management considerably.

Technical Data:

• Licensed Process by Haldor Topsoe S.A. Denmark
• Flue Gas Throughput (Design): 820.000 Sm³/h
• Cleaned Gas Emissions (Daily Middle Value): NO_x < 200 mg/Sm³,
  SO_x < 200 mg/Sm³, CO < 175 mg/Sm³, dust (particles) < 10 mg/Sm³
• Fuel gas power: start heater 11 MW, support heater 24 MW
• Height of plant: new dust precipitator and "reactor": ca. 60 m, height clean air stack: 88 m
• Material provided: "cold" steel work: 1,500 t, "warm" steel work: 2,500 t
  (flue gas ducts and covers), equipment 4,500 t