Civil Engineering Reference
In-Depth Information
C = Cation Permeable Membrane
A = Anion Permeable Membrane
Feed Water In
To Positive
Pole of Electrical
Supply
C
A
A
A
C
C
To Negative Pole
of Electrical
Supply
Na
+
Na
+
Na
+
Cl
-
Cl
-
Cl
-
Anode
Cathode
Na
+
Na
+
Cl
-
Cl
-
Concentrated Brine Wa ter
Fresh Product Wa ter
Fig. 15-16.
Electrodialysis demineralization process
