| 
      
        | Parameter | Removal efficiency (Re %) | q
          (mg  /g) |  
        | pH: | 2 | 25.53 | 1.277 |  
        | (Condition: 50mg L-1,    mass = 0.5 g, 3 h,  30°C) | 3 | 84.45 | 4.252 |  
        |  | 4 | 92.33 | 4.616 |  
        |  | 5 | 97.33 | 4.889 |  
        |  | 6 | 97.58 | 4.875 |  
        |  | 7 | 97.73 | 4.886 |  
        |  | 8 | 97.70 | 4.888 |  
        |  | 9 | 89.34 | 4.457 |  
        |  | 10 | 68.54 | 3.427 |  
        | Time  (min): | 10 | 49.92 | 2.460 |  
        | (Condition: 50 mg    L-1, mass = 0.5 g, pH= 5 , 30 °C) | 20 | 56.21 | 2.811 |  
        |  | 30 | 77.33 | 3.867 |  
        |  | 40 | 89.50 | 4.475 |  
        |  | 50 | 93.19 | 4.659 |  
        |  | 60 | 97.76 | 4.889 |  
        |  | 80 | 97.71 | 4.885 |  
        |  | 100 | 97.65 | 4.882 |  
        |  | 120 | 97.75 | 4.887 |  
        | Initial concentration (mg  /l): | 50 | 97.76 | 4.889 |  
        | Condition: pH= 5,    mass = 0.5 g, 60 min, 30 °C) | 75 | 94.29 | 7.12 |  
        |  | 100 | 90.68 | 9.36 |  
        |  | 125 | 76.36 | 9.35 |  
        |  | 150 | 62.28 | 9.34 |  
        |  |  |  |  |  
        | Adsorbent dose (g) : | 0.3 | 78.12 | 4.075 |  
        | Condition:  50 mg L-1, 60 min, pH= 5, 30 °C) | 0.4 | 91.34 | 4.567 |  
        |  | 0.5 | 97.76 | 4.889 |  
        |  | 0.6 | 97.69 | 4.073 |  
        |  | 0.7 | 97.71 | 3.489 |  
        | Temperature (°C) : | 30 | 97.76 | 4.889 |  
        | Condition:  50 mg L-1, 60 min, mass = 0.5 g, pH=5) | 40 | 96.50 | 4.825 |  
        |  | 50 | 95.38 | 4.769 |  
        |  | 60 | 92.24 | 4.612 |  |