C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/66 (2006.01) B01D 61/44 (2006.01) B01D 61/52 (2006.01) C02F 1/461 (2006.01) C02F 1/469 (2006.01) C02F 1/30 (2006.01) C02F 1/36 (2006.01)
Patent
CA 2129775
- 1 - METHOD FOR ADJUSTING THE pH OF WATER TO A VALUE ADJU- STABLE IN THE RANGE FROM 1 TO 13 AND APPARATUS FOR CAR- RYING OUT SAID METHOD ABSTRACT The present invention relates to a method for adjusting the pH of water to a value adju- stable in the range from 1 to 13 and an ap- paratus for carrying out said method. The method comprises the arrangement for adjusting the pH of water in at least one step of a cascade sys- tem, in which said step comprises an electrodia- lysis cell, with one or two membranes or one or more pairs of selective membranes which can be controllably displaced between the electrodes (cathode and anode) perpendicularly to the water flow traversing the cell so as to obtain a vari- ation of the adjustment of the pH of the water processed in the cell. Unseparable processes coupled with adjusting the pH of water in catho- lyte (electrolyte from the cathodic cell) and anolyte (electrolyte from the anodic cell) are changes in the chemical composition of water solutions.
Cervenak Jan
Cumakov Alexander
Hanic Frantisek
Smatko Vasil
Finlayson & Singlehurst
Montetitano S.a.
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