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The adsorption parameters.
| Before Adsorption | After Adsorption | ||||
|---|---|---|---|---|---|
| No. | Activated Carbon (mg) | Rhodamine B (mg) | Activated Carbon/Rhodamine B (q) (mg/mg) | Rhodamine B (mg/dm3) | % Dye Removal |
| 1 | 0 | 0.6 | – | 30 | 0 |
| 2 | 2.7 | 0.6 | 4.5 | 30 | 0 |
| 3 | 4.1 | 0.6 | 6.8 | 10 | 66 |
| 4 | 11.2 | 0.6 | 18.7 | 3 | 91 |
| 5 | 15.3 | 0.6 | 25.5 | n.d. | 100 |
| 6 | 20.6 | 0.6 | 34.3 | n.d. | 100 |
n.d.—not detected.
