International Journal of Electrochemistry / 2014 / Article / Tab 3

Research Article

Selection of the Best Process Stream to Remove Ca2+ Ion Using Electrodialysis from Sugar Solution

Table 3

Values of different physical parameters used in the model.

ParameterValueReference

Temperature, 298 KThis work
Transport number of the cation in CEM, 0.91Table 1
Transport number of the anion in AEM, 0.9Table 1
Transport number of cation in the solution, 0.4387This work [7]
Transport number of anion in the solution, 0.5613This work [7]
Diffusivity of CaCl2 in 5% sugar solution at 25°C, 1.198 × 10−9 m2·s−1This work [14, 15]
Diffusivity of Ca2+ ions at infinite dilution and at 25°C, 7.92 × 10−10 m2·s−1This work [14]
Diffusivity of Ca2+ ions in 5% sugar solutions at 25°C, 7.11 × 10−10 m2·s−1This work [14, 15]
Diffusivity of Cl ions in 5% sugar solutions at 25°C, 18.2 × 10−10 m2·s−1This work [14, 15]
Distance between adjacent membranes, 2 × 10−3 mThis work
Area of the membrane, 3.7 × 10−3 m2This work
Charge on the calcium ion, +2This work
Viscosity of 5% sugar solution, 9.92 × 10−4 Pa·s[16]
Velocity of the feed stream, 3.1 × 10−2 m·s−1This work
Applied voltage, 4 VThis work
Current density initial value, 122 A·m−2This work
Current efficiency, 0.81This work
Sh number empirical equation constant, 0.46 for catholyte NaOH[17]
0.25 ± 0.03 for catholyte AA-Na2EDTAThis work
Sh number empirical equation constant, 0.63 for any anolyte and catholyte[17]
Sh number empirical equation constant, 0.33 for any anolyte and catholyte[17]