Table 4.
The experimental conditions for the uptake studies of roxarsone with various adsorbents at pH 7.00 in water for 24 h.
| Sorption | Adsorbents | T (°C) | Amount (mg) | Co (mM) | Volume (L) |
|---|---|---|---|---|---|
| Equilibrium | Mag-P | 21 | 15 | 0.025–1.00 | 0.020 |
| Mag-C | 21 | 15 | 0.025–1.00 | 0.020 | |
| CM-32 | 21 | 15 | 0.025–1.00 | 0.020 | |
| CM-19 | 21 | 15 | 0.025–1.00 | 0.020 | |
| CM-10 | 21 | 15 | 0.025–1.00 | 0.020 | |
| GAC | 21 | 15 | 0.025–1.00 | 0.020 | |
| Goethite | 21 | 15 | 0.025–1.00 | 0.020 | |
|
| |||||
| Kinetics | Mag-P | 21 | 30 | 0.18 | 0.20 |
| Mag-C | 21 | 30 | 0.18 | 0.20 | |
| CM-19 | 21 | 30 | 0.18 | 0.20 | |
| GAC | 21 | 30 | 0.18 | 0.20 | |
| Goethite | 21 | 30 | 0.18 | 0.20 | |