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Table 1

Adsorption kinetic constants under different temperatures

T (°C)Pseudo-first-order
Pseudo-second-order
Bangham
qe,exp (mg·g−1)
qe (mg·g−1)k1 (min−1)R2qe (mg·g−1)k2 (g·mg−1·min−1)R2k0αR2
30 5.11 0.079 0.9068 10.08 0.0598 0.9991 0.0257 0.1813 0.9541 9.89 
40 6.30 0.096 0.9093 9.50 0.0521 0.9984 0.0212 0.2008 0.9390 9.27 
50 4.25 0.082 0.9219 7.88 0.0716 0.9990 0.0178 0.1749 0.9077 7.72 
60 4.15 0.062 0.9270 6.89 0.0505 0.9970 0.0126 0.2029 0.9610 6.72 
T (°C)Pseudo-first-order
Pseudo-second-order
Bangham
qe,exp (mg·g−1)
qe (mg·g−1)k1 (min−1)R2qe (mg·g−1)k2 (g·mg−1·min−1)R2k0αR2
30 5.11 0.079 0.9068 10.08 0.0598 0.9991 0.0257 0.1813 0.9541 9.89 
40 6.30 0.096 0.9093 9.50 0.0521 0.9984 0.0212 0.2008 0.9390 9.27 
50 4.25 0.082 0.9219 7.88 0.0716 0.9990 0.0178 0.1749 0.9077 7.72 
60 4.15 0.062 0.9270 6.89 0.0505 0.9970 0.0126 0.2029 0.9610 6.72 
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