A new design of flocculation tank: the Turbomix applied to weighted flocculation. |
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| Authors: | C Levecq C Breda V Ursel P Marteil P Sauvignet |
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| Institution: | Veolia Environnement R&D, Chemin de la Digue, 78603, Maisons Laffitte, France. celine.levecq@veolia.com |
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| Abstract: | As far as flocculation is concerned, the agglomeration of suspended particles into flocs is highly linked to the hydraulic behaviour of the agitation. The Turbomix is a special design of mixing tank; its design was developed to better control the flow during the flocculation stage. It enables a significant decrease in footprint of the process. The combination of the Turbomix and ballasted flocculation has been studied during pilot trials in terms of treatment efficiency. Its controlled hydraulic behaviour explains the efficiency of the process as proved by CFD investigation. |
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