C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/44 (2006.01) B01D 61/02 (2006.01) B01D 61/10 (2006.01)
Patent
CA 2192307
The invention relates to a plant for desalting marine water by reverse osmosis. The desalting plant comprises a salted water tapping point, salted water transporting means, salted water column forming means, reverse osmosis desalting means which are situated in the ares of the lower end of the salted water column and which may be situated above or under the sea surface, the salted water transporting means and brine conveying means. The means which form the salted water column have a height such that its weight exerts a pressure which contributes substantially to generate the reverse osmosis phenomenon, so that the salted water is separated into desalted water and brine. The plant includes at least one salted water head tank located at a predetermined height at the upper zone of the water column, said head tank being in fluid communication with said water column. The invention also relates to the corresponding process.
L'invention concerne une installation de dessalement par osmose inverse. L'installation de dessalement comprend une prise d'eau salée (1), des moyens de conduction d'eau salée (2), des moyens d'établissement d'une colonne d'eau salée (3), des moyens de dessalement par osmose inverse (4) situés dans la zone extrême inférieure (3b) de la colonne d'eau salée (3) et qui peuvent se trouver au-dessus ou au-dessous de la surface de la mer, des moyens de conduction d'eau déssalée (5) et des moyens de conduction de saumure (6). Les moyens d'établissement de la colonne d'eau salée (3) ont une hauteur telle que le poids de la colonne exerce une pression qui contribue sensiblement à produire le phénomène d'osmose inverse de sorte que l'eau salée est séparée en eau dessalée et en saumure. L'installation comprend au moins un réservoir de tête d'eau salée (7) situé à une hauteur déterminée sur la zone supérieure (3a) de la colonne d'eau (3), ledit réservoir de tête (7) étant en communication fluide avec ladite colonne d'eau. L'invention concerne également le procédé correspondant.
Marks & Clerk
Vazquez-Figueroa Rial Alberto
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