Emissions into air and water
Air
The Group’s steel production generates discharges into the air, primarily of carbon dioxide, nitrogen oxides, sulphur oxides and particulates.
Water
The steel operation’s consumption of process water is approx. 13,500 m3 per hour. It is used as process water in purification plants, for cooling of furnaces and cooling coke, slabs, coils, sheet and plate. Most water use takes place in closed systems. Before used water leaves the industrial area, samples are taken, often on a continuous basis. The system is structured in such a manner that if an increased value is measured, the outflow of process water from the major plants can either be shut off or temporarily accumulated for corrective measures.