1. Gas-liquid exchange
1.1 By ventilation
Generally used as the first step in the treatment process, it is necessary for all waters lacking dissolved oxygen: groundwater, water from the deep layers (hypolimnion) of eutrophic reservoirs, or water subject to very high levels of organic pollution. It has the following effects:
introduce dissolved oxygen, which promotes the physicochemical or biological oxidation of iron, manganese, ammonium, H2S, and certain biodegradable organic substances...
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Gas-liquid exchange
Oxidation
Bibliography
- AWWA (American Water Works Association) - Water Quality & Treatment: A Handbook of Community Water Supplies (Qualité et traitement de l'eau : un manuel pour les services municipaux de distribution d'eau). - 4e édition, PONTIUS (F.W.) Technical Editor, McGraw-Hill New York, Londres, Paris, p. 1194 (1990).
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