Table 5.
Experiments of the bench-scale investigation
| Experiment | FS | DS |
|---|---|---|
| Baseline experiment | DI | 58.44 g/l (1 mol) reagent-grade NaCl, 132.14 g/l (1 mol) reagent-grade (NH4)2 SO4, and 740 g/l industrial-grade (NH4)2 SO4 |
| Experiment (I) | Reagent-grade NaCl @ 5, 35 and 65 g/l (5,000, 35,000, and 65,000 ppm) | 132.14 g/l (1 mol) and 396.42 g/l (3 mol) reagent-grade (NH4)2 SO4 |
| Experiment (II) | Reagent-grade NaCl @ 65 g/l (65,000 ppm) | 740 g/l industrial-grade (NH4)2 SO4 |
| Experiment (III) | Industrial-grade NaCl @ 65 g/l (65,000 ppm) | 740 g/l industrial-grade (NH4)2 SO4 |