Optimization and validation results of VR3BS dye adsorption
| Optimization/Experiment . | Factor . | Response . | |||
|---|---|---|---|---|---|
| Initial dye conc. (ppm) . | pH . | Adsorbent dose (g/L) . | Contact time (Min.) . | VR 3BS dye removal (%) . | |
| CCD-RSMa | 10 | 8 | 10 | 101 | 99 |
| Validation | 10 | 8 | 10 | 101 | 97.2 |
| SCG Biocharb | 10 | 8 | 10 | 101 | 60 |
| Optimization/Experiment . | Factor . | Response . | |||
|---|---|---|---|---|---|
| Initial dye conc. (ppm) . | pH . | Adsorbent dose (g/L) . | Contact time (Min.) . | VR 3BS dye removal (%) . | |
| CCD-RSMa | 10 | 8 | 10 | 101 | 99 |
| Validation | 10 | 8 | 10 | 101 | 97.2 |
| SCG Biocharb | 10 | 8 | 10 | 101 | 60 |
aOptimization criteria: initial dye concentration (10–50 ppm), pH (3–11), dose of adsorbent (4–12 g/L) and contact time (10–120 min) were in range and percent dye removal was maximized.
bControl run without activating agent.