Water and waste water flows
The tyre plant uses water for cooling, washing and household consumption. The cooling water is taken
from the river Nokianvirta via the plant’s own water treatment plant and returned to the river in a closed
cycle. When river water is used for washing, the effluent flows are directed to the municipal sewage
plant. The amount of water taken from the river in 2011 totalled 8,063,903 m i.e. about 1,049 m3/h.
When reviewed in proportion to production rates, the efficiency of water and effluent flows has improved
from the previous year. The volume of clean water taken from the municipal supply system amounted
to 0.79 m3/t and the amount of waste water directed to the municipal sewage plant totalled 1.33 m3/t.