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ou1-c6-filtrarea - Cadre Didactice

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4/26/2003<br />

Filtre cu strat granular<br />

o Servesc la <strong>filtrarea</strong> debitelor mari de<br />

suspensii (<strong>filtrarea</strong> apei in special)<br />

o Straturi filtrante:<br />

– granule de nisip (apa, acizi, saruri)<br />

– marmura, calcar (solutii alcaline)<br />

– antracit, mangal etc.<br />

o Dupa viteza de filtrare:<br />

– filtre lente: v f = 0,1 – 0,3 m/h<br />

– filtre rapide: v f = 5 – 15 m/h<br />

– filtre ultrarapide: v f > 15 m/h.<br />

Lucian Gavrila – OPERATII UNITARE I<br />

56

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