C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 9/00 (2006.01) B01D 39/20 (2006.01) C02F 1/64 (2006.01) C02F 1/66 (2006.01)
Patent
CA 2427382
The invention concerns a method for treating water for human consumption, so as to eliminate manganese and possibly other metals comprising steps which consist in: causing said water to pass at least over a bed of filtering material (3) consisting at least partly of manganese dioxide granules, said granules having a real density ranging between 3.5 and 4.5 and a hardness higher than 6 on the Mosh scale; regenerating, if necessary, said manganese dioxide, said regeneration being carried out mechanically.
La présente invention concerne un procédé de traitement des eaux destiné à la consommation humaine, en vue d'en éliminer le manganèse et éventuellement d'autres métaux comprenant les étapes consistant: à faire transiter lesdites eaux sur au moins un lit de matériau filtrant (3) constitué au moins en partie de grains de bioxyde de manganèse, lesdits grains ayant une densité réelle comprise entre 3,5 et 4,5 et une dureté supérieure à 6 sur l'échelle de Mosh ; à régénérer, lorsque cela est nécessaire, ledit bioxyde de manganèse, ladite régénération étant effectuée mécaniquement.
Otv S.a.
Oyen Wiggs Green & Mutala Llp
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