B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 21/00 (2006.01) B01D 21/01 (2006.01) B01D 24/00 (2006.01) B01D 24/26 (2006.01) B01D 24/46 (2006.01) B01D 36/04 (2006.01) C02F 1/52 (2006.01)
Patent
CA 2294111
The invention concerns a method for treating water to abate their content in suspended matter and, as the case may be in parasites, characterised in that it consists in causing said water to pass through at least one sedimentation tank (1) at a treatment speed higher than 20 mph then, through at least a multilayer filter with decreasing size grading (2) at a treatment speed higher than 10 mph. The sedimentation tank used is preferably a sedimentation tank with ballasted floc preferably lamellar.
L'invention concerne un procédé de traitement des eaux visant à abattre leur teneur en matières en suspension et, le cas échéant en parasites, caractérisé en ce qu'il consiste à faire transiter lesdites eaux dans au moins un décanteur (1) selon une vitesse de traitement supérieure à 20 m/h puis, selon un flux ascendant, dans au moins un filtre multi-couches à granulométrie décroissante (2) selon une vitesse de traitement supérieure à 10 m/h. Le décanteur utilisé est préférentiellement un décanteur à floc lesté préférentiellement lamellaire.
Le Poder Nicolas
Sibony Jacques
Otv Omnium de Traitements Et de Valorisation
Oyen Wiggs Green & Mutala Llp
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