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30 juillet 1999 Paru dans N°223 - à la page 21

Large quantities of effluent can sometimes lead to saturation of water treatment plants, which can no longer handle the excess pollution. To remain within water quality standards, the community or factory concerned must increase the treatment capacity of the plant. Several methods exist: optimisation of existing treatment facilities, better aeration or even oxygenation and use of membrane bioreactors are just some of the approaches to be explored before considering the construction of a new plant.