France and Norway
Small wastewater treatment plants by KLARO employing a “multi-way-system” are the ideal solution for extreme seasonal fluctuations. When few visitors are on location, one SBR tank, for example can be switched off. The micro-organisms in the tank die, while the stored sludge is returned into the first chamber. Once the plant is re-commissioned, parts of the activated sludge are channelled from the operating tank into the switched off SBR tank, thus causing its re-activation..