Water and waste water flows

Tyre factory uses water for cooling, washing and household consumption. Large amounts of water are used for cooling in various tyre manufacturing processes. The Nokia plant takes its cooling water from the adjacent river Nokianvirta. The cooling water is never in contact with any chemicals used in the manufacturing process, and therefore it can be returned to the river. No numeric targets can be set for cooling water consumption as it depends on the temperature of the river water. In 2008 the amount of cooling water taken from the river was 6,867,013 m3 i.e. 856.7 m3/h.

The waste water of the plant (process and sanitary water) is pumped to the Nokia city sewage

treatment plant. When the river water is used for washing, the effluent flows are directed to the municipal sewage plant. During year 2008 exits for clean condensate waters were vainly lead to municipal sewage and thus effluent flows increased. Those false operatings have been fixed at the start of the year 2009.

The waste water pumped to the city sewage system and the cooling water run to Nokianvirta are tested

annually in accordance with the environmental permit (since 2007).