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Suivi de la qualité des eaux usées urbaines par la STEPde bouira

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Figure

Figure 2 : (a) lit bactérien, (b) éléments de remplissage du lit bactérien  II.4.1.b. Procédé de bio filtration
Figure 3 : Les 5 éléments essentiels dans le procédé des boues activées.
Figure 4 : les différents types des aérateurs
Figure 6 : Image de la station par Google earth .
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