Table 1.
Adsorption capacities of CBC used for the regeneration obtained from the mass balance calculation for the solutions.
Setups | State | Weight of CBC (g) | Adsorbed F− (mg) | Adsorption Capacity (mg/g) | Total Adsorption Capacity (mg/g) |
---|---|---|---|---|---|
Control | Before regeneration | 10.07 | 48.57 | 4.82 | 7.17 |
After regeneration 1 | 8.41 | 0.84 | |||
After regeneration 2 | 7.22 | 0.72 | |||
After regeneration 3 | 4.84 | 0.48 | |||
After regeneration 4 | 2.31 | 0.23 | |||
After regeneration 5 | 0.89 | 0.09 | |||
673 K regenerated | Before regeneration | 10.66 | 51.25 | 4.81 | 16.11 |
After regeneration 1 | 9.87 | 37.39 | 3.79 | ||
After regeneration 2 | 9.81 | 32.88 | 3.35 | ||
After regeneration 3 | 8.99 | 19.62 | 2.18 | ||
After regeneration 4 | 8.75 | 12.00 | 1.37 | ||
After regeneration 5 | 8.60 | 5.22 | 0.61 | ||
773 K regenerated | Before regeneration | 10.21 | 49.35 | 4.83 | 8.37 |
After regeneration | 9.52 | 33.66 | 3.54 | ||
873 K regenerated | Before regeneration | 10.36 | 49.90 | 4.81 | 8.02 |
After regeneration | 9.62 | 30.86 | 3.21 |