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The SO2 absorption using different absorption solutiona.
| Sample | Maximum absorption efficiency of SO2 (%) | DTHE (s) | Q (mmol) |
|---|---|---|---|
| SHA-Na | 98.32 | 4357 | 0.946 |
| NaOH | 81.04 | 478 | 0.080 |
| H2O | 78.52 | 240 | 0.038 |
| Activated sludge | 90.32 | 408 | 0.075 |
| Excess sludge | 92.40 | 840 | 0.166 |
a C 0: 2500 ppm; q: 0.12 m3/h; absorption solution: 100 mL; O2: 5 vol%; 298 K; ambient pressure.
