C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/44 (2006.01) B01D 61/02 (2006.01) B01D 61/04 (2006.01) B01D 65/08 (2006.01) C02F 3/28 (2006.01)
Patent
CA 2311500
The present invention relates to a method for purifying water, in particular ground water, under anaerobic conditions, using a membrane filtration unit, wherein the following steps are carried out: 1) connecting the membrane filtration unit (8) to a rinsing unit (11); then 2) passing a rinsing agent from the rinsing unit (11) through the membrane filtration unit (8) so as to create anaerobic conditions in the membrane filtration unit (8); and 3) passing the water to be purified through the membrane filtration unit (8), in which anaerobic conditions have thus been created in step 2), wherein the connection (12) between the membrane filtration unit (8) and the rinsing unit (11) is then shut off so that the anaerobic conditions in the membrane filtration unit (8) obtained in step 2) are maintained while the water to be purified is passed through said membrane filtration unit (8). The present invention furthermore relates to a device for purifying water, and to drinking water obtained by using such a device and/or method.
L'invention concerne un procédé de purification d'eau, en particulier d'une eau souterraine, dans des conditions anaérobies, au moyen d'une cellule filtrante à membrane. Le procédé consiste à 1) raccorder la cellule filtrante à membrane (8) à un dispositif de rinçage (11); 2) faire passer une solution de rinçage du dispositif de rinçage (11) à travers la cellule filtrante à membrane (8) afin de créer des conditions anaérobies dans la cellule filtrante à membrane (8); 3) faire passer l'eau à purifier à travers la cellule filtrante à membrane (8) dans laquelle des conditions anaérobies ont été créées à l'étape 2). Le raccord (12) entre la cellule filtrante à membrane (8) et le dispositif de rinçage (11) est ensuite fermé de sorte que les conditions anaérobies obtenues dans la cellule filtrante à membrane (8) à l'étape 2) soient maintenues pendant que l'eau à purifier passe à travers cette cellule filtrante à membrane (8). L'invention concerne en outre un dispositif de purification d'eau et une eau potable obtenue au moyen dudit dispositif et/ou procédé.
Van Der Meer Walterus Gijsbertus Joseph
Van Winkelen Jacobus Cornelis
N.v. Waterleiding Friesland
Sim & Mcburney
Vitens N.v.
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