Table 3. Initial Concentration of Metal Ions (C0), at the Equilibrium (Ce), Equilibrium Removal Capacity (Qe), and Percentage of Metal Ions Removal after 24 h of Contact (R %).
| As(V) |
Cr(VI) |
B(III) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| C0 (μg L–1) | Ce (μg L–1) | Qe (mg/g) | R % | C0 (μg L–1) | Ce (μg L–1) | Qe (mg/g) | R % | C0 (μg L–1) | Ce (μg L–1) | Qe (mg/g) | R % |
| 500 | 1.7 | 0.58 | 99.7 | 500 | 1.1 | 0.25 | 99.8 | 500 | 77.4 | 0.21 | 84.5 |
| 1150 | 7.1 | 0.85 | 99.4 | 1150 | 2.5 | 0.57 | 99.8 | 1150 | 190.3 | 0.48 | 83.5 |
| 2500 | 162.9 | 1.30 | 93.5 | 2500 | 18.6 | 1.16 | 99.2 | 2500 | 354.4 | 1.1 | 85.8 |
| 8500 | 621.8 | 4.30 | 92.7 | 8500 | 358.8 | 4.07 | 95.8 | 8500 | 3022.5 | 2.7 | 64.4 |
| 16500 | 1398.6 | 8.25 | 91.5 | 16500 | 1488.1 | 7.50 | 90.9 | 16500 | 5928.2 | 5.3 | 64.1 |