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3. TUTELA DELLE ACQUE (3)

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TRATTAMENTI SECONDARI<br />

FANGHI ATTIVI<br />

oRimozione sostanze<br />

organiche, tramite<br />

ossidazione batterica<br />

aerobica<br />

AEREAZIONE<br />

Metodo mediante il quale<br />

l’acqua viene a contatto con i<br />

fanghi attivi.

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