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Table 1

Kinetic model constants for removal of fluoride

 Pseudo-second-order model constantsFluoride concentration (mg/L)
50100150200
T = 298 K  (mg/g) 14.73 27.93 36.49 45.04 
(g/(mg min)) 5.46 3.22 2.50 1.92 
R2 0.992 0.991 0.997 0.995 
T = 303 K  (mg/g) 17.39 29.67 38.31 47.62 
(g/(mg min)) 6.78 4.74 3.82 2.67 
R2 0.995 0.993 0.992 0.993 
T = 308 K  (mg/g) 19.62 32.05 40.32 50.50 
(g/(mg min)) 8.30 5.41 4.49 3.60 
R2 0.988 0.977 0.990 0.989 
 Pseudo-second-order model constantsFluoride concentration (mg/L)
50100150200
T = 298 K  (mg/g) 14.73 27.93 36.49 45.04 
(g/(mg min)) 5.46 3.22 2.50 1.92 
R2 0.992 0.991 0.997 0.995 
T = 303 K  (mg/g) 17.39 29.67 38.31 47.62 
(g/(mg min)) 6.78 4.74 3.82 2.67 
R2 0.995 0.993 0.992 0.993 
T = 308 K  (mg/g) 19.62 32.05 40.32 50.50 
(g/(mg min)) 8.30 5.41 4.49 3.60 
R2 0.988 0.977 0.990 0.989 
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