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Effect of the initial dye concentration on the adsorption capacity of the polymers.
| Direct Red 83:1 Concentrations (mg/L) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| qe (mg/g) | Polymer | 25 | 50 | 75 | 100 | 150 | 200 | 250 | 300 |
| β- | 1.1 | 2.3 | 3.5 | 4.6 | 6.7 | 9.0 | 11.4 | 13.4 | |
| HP-β- | 0.9 | 1.9 | 2.8 | 3.7 | 5.1 | 6.9 | 8.1 | 9.3 | |
