Three Airturbo™ were installed in their ashpaddingpond during spring 2002 due to problems with smell (sulfide formation). The ponds size are 4 hectares with a depths of 3-4 m (150000m3).
A report from SWECO VIAK shows that the oxygenreduction in the water is 7 mg/l and hour. Rough estimates shows that the aerators produces 350 gO2/h and aerator only to keep a 0-level and significantly more to be able to improve the environment – which in fact is the case.
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Biological water treatment