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ou1-c6-filtrarea - Cadre Didactice

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4/26/2003<br />

Consideratii privind ecuatiile filtrarii<br />

o Pt. fiecare filtrare exista o grosime optima a<br />

stratului de precipitat.<br />

o Determinarea grosimii optime se face pe<br />

considerente tehnico-economice.<br />

o Grosimea mica a stratului de pp.:<br />

– productivitate mare a filtrului;<br />

–Dezavantaje:<br />

• desprinderea mai grea a pp. de pe filtru;<br />

• durata de spalare a pp. si regenerare a filtrului egala<br />

cu cele de la <strong>filtrarea</strong> cu strat gros de pp.;<br />

• mai multe spalari si regenerari la aceeasi cant.<br />

filtrata;<br />

• uzura specifica mai mare a panzelor filtrante.<br />

Lucian Gavrila – OPERATII UNITARE I<br />

53

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