Table 5
PHREEQC simulation results of [Ca(II)] for calcite-solution-CO2 equilibrium and log K values obtained for Zn(II) sole sorption, and multiple Zn(II), Mn(II) and Sr(II) sorption
| Zn(II) sorption |
Zn(II), Mn(II) and Sr(II) sorption |
|||||
|---|---|---|---|---|---|---|
| Experiment ID | [Ca(II)]final simulated (μmol/L) | Error (%) | log K Zn | log K Zn | log K Mn | log K Sr |
| 1 | 560.5 | 1.99 | 3.05 | 3.08 | 3.35 | 1.84 |
| 2 | 606.6 | −17.17 | 2.09 | 2.10 | 2.63 | 1.16 |
| 3 | 640.3 | −13.49 | 1.99 | 2.00 | 2.53 | 1.67 |
| 4 | 1440.0 | −19.86 | 4.58 | 4.60 | 4.93 | 2.69 |
| 5 | 1541.0 | −29.02 | 4.32 | 4.32 | 4.06 | 1.93 |
| 6 | 1599.0 | −33.66 | 4.62 | / | / | / |
| 7 | 958.2 | 13.05 | 3.17 | 3.18 | 2.89 | / |
| 8 | 1602.0 | 13.34 | 2.83 | 2.83 | 2.27 | / |
| 9 | 1847.0 | 13.77 | 2.24 | 2.25 | 2.09 | 1.18 |
| 10 | 1785.0 | −29.19 | 4.52 | / | / | / |
| 11 | 1867.0 | −38.15 | 4.33 | / | / | / |
| 12 | 1983.0 | −42.60 | 4.61 | / | / | / |
| 13 | 561.2 | −3.92 | 2.05 | 2.05 | 0.57 | / |
| 14 | 608.3 | −23.94 | 2.15 | 2.20 | 3.01 | 1.65 |
| 15 | 623.9 | −17.26 | 1.7 | 1.74 | 2.89 | 1.60 |
| 16 | 1440.0 | −11.96 | 3.36 | 3.41 | 5.18 | 2.49 |
| 17 | 1541.0 | −14.84 | 3.78 | 3.80 | 4.78 | 2.27 |
| 18 | 1495.0 | 6.96 | 4.01 | / | / | / |
| 19 | 1110.0 | 1.04 | 2.07 | 2.07 | 0.06 | / |
| 20 | 1140.0 | 1.85 | 2.13 | 2.13 | 0.35 | / |
| 21 | 1360.0 | 4.02 | 1.87 | 1.88 | 1.07 | 0.73 |
| 22 | 1903.0 | −34.24 | 3.42 | 3.42 | / | 0.86 |
| 23 | 2129.0 | −43.72 | 3.77 | 3.76 | / | 0.92 |
| 24 | 2111.0 | −44.63 | 3.89 | 3.89 | 3.39 | / |