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ou1-c6-filtrarea - Cadre Didactice

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4/26/2003<br />

Teoria filtrarii prin stratul de pp.<br />

o Ia in considerare numai <strong>filtrarea</strong> prin<br />

retinerea [ ]S din susp. de catre stratul de<br />

pp. neglijand contributia supraf. filtrante;<br />

o Supraf. filtranta este doar suportul<br />

material al stratului de pp.<br />

o Supraf. filtranta nu opune rezistenta la<br />

curgerea [ ]L prin filtru;<br />

o Filtrarea poate fi asimilata cu curgerea<br />

unui lichid printr-un strat granular a carui<br />

grosime creste continuu in timp.<br />

Lucian Gavrila – OPERATII UNITARE I<br />

32

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