salinity/(mg/L) | cationic polymer adsorption amount/(mg/g) | anionic polymer adsorption amount/(mg/g) |
3000 | 3.80 | 0.86 |
5000 | 3.88 | 0.90 |
10,000 | 3.98 | 0.95 |
15,000 | 4.14 | 0.98 |
20,000 | 4.25 | 1.01 |
25,000 | 4.41 | 1.04 |