Parameter Ce (mg /L) Adsorption percent (%) q (mg /g)
pH: 2 61.10 38.90 6.483
(Condition: [U(VI)] = 100 mg L-1, V = 50 mL, 3 34.30 65.70 10.95
mass = 0.3 g, 3 h, 28°C)                         4 4.50 95.50 15.91
  5 9.55 90.45 15.07
  6 14.59 85.41 14.23
  7 16.77 83.23 13.87
  8 24.55 75.45 12.57
Time  (min):         10 69.90 30.20 5.016
(Condition: [U(VI)] = 100 mg L-1, V = 50 mL, 20 49.79 50.21 8.368
mass = 0.3 g, pH= 4 , 28°C)       40 18.67 81.33 13.55
  60 4.50 95.50 15.91
  80 4.50 95.50 15.91
  100 4.49 95.51 15.91
  120 4.50 95.50 15.91
Initial concentration (mg/l): 25 0.45 98.16 4.091
Condition: pH= 4, V = 50 mL, mass = 0.3 g, 50 1.05 97.72 8.158
60 min, 28°C) 75 2.40 96.68 12.10
  100 4.50 95.50 15.916
  125 29.54 76.36 15.91
  150 54.54 63.64 15.91
  175 79.60 54.51 15.90
  200 104.60 47.70 15.90
Temperature (°C): 28 4.50 95.50 15.91
Condition:  [U(VI)] = 100 mg L-1, V = 50 mL, 40 4.51 95.49 15.91
60 min, pH= 4, mass = 0.3 g) 55 4.49 95.51 15.91
Adsorbent dose (g): 0.1 79.10 41.80 10.45
Condition: [U(VI)] = 100 mg L-1, V = 50 mL, 0.2 41.32 96.04 14.67
60 min, pH= 4, 28°C)            0.3 4.50 95.50 15.91
  0.4 4.52 95.45 11.93
  0.5 4.49 95.44 9.551
Table 1: Adsorption data of adsorption of U (VI) onto orange peel.