1. Pre-treatment techniques

1.1 Septic tank

The all-water septic tank is a pretreatment device for domestic wastewater (all black water and household wastewater) that has two primary roles:

retention of solids (hydraulic settling and flotation phenomena);
hydrolysis (solubilization) and methanization (gasification) of the sludge produced, due to the retention of solids (biological phenomena of anaerobic digestion)....

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Pre-treatment techniques

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(1) - ASTEE - De l'hygiène à l'environnement : cent ans d'actions. - TSM Hors-série, 352 pages (2005).
(2) - PHILIP (H.), RAMBAUD (A.), MAUNOIR (S.) - Fonctionnement et performances des fosses septiques toutes eaux. - TSM, n° 11, p. 645 à...

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