Table 6. Adsorbent weight loss at different temperature ranges.
| Adsorbents | Temperature range | Weight loss, % |
|---|---|---|
| Raw–CAC | 29°C to 100°C | 15.8 |
| 100°C to 400°C | 20.4 | |
| 400°C to 600°C | 25.2 | |
| ZnAc2–CAC | 29°C to 100°C | 7.2 |
| 100°C to 400°C | 12.3 | |
| 400°C to 600°C | 16.4 | |
| KOH–CAC | 29°C to 100°C | 4.6 |
| 100°C to 400°C | 7.0 | |
| 400°C to 600°C | 10.0 | |
| KI–CAC | 29°C to 100°C | 12.4 |
| 100°C to 400°C | 15.3 | |
| 400°C to 600°C | 16.4 | |
| CuSO4–CAC | 29°C to 100°C | 9.4 |
| 100°C to 400°C | 12.0 | |
| 400°C to 600°C | 14.1 | |
| Na2SO3–CAC | 29°C to 100°C | 12.8 |
| 100°C to 400°C | 16.0 | |
| 400°C to 600°C | 18.7 |