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Table 1

Comparison of the four kinetic models for Mo(VI) adsorption on MCPP at 298 K

Kinetic modelsExpression formulaParameters298 K
Pseudo-first-order  qe (mg/g) 18.65 
k1 (1/min) 0.17 
R2 0.95 
Pseudo-second-order  qe (mg/g) 19.90 
k2 (mg/(g·min)) 0.01 
R2 0.99 
Intra-particle diffusion  kdif (mg/g·min1/21.01 
D 8.98 
R2 0.73 
Elovich mass transfer  α (mg/(g·min)) 2.74 
β (g/mg) 2.91 
R2 0.93 
Kinetic modelsExpression formulaParameters298 K
Pseudo-first-order  qe (mg/g) 18.65 
k1 (1/min) 0.17 
R2 0.95 
Pseudo-second-order  qe (mg/g) 19.90 
k2 (mg/(g·min)) 0.01 
R2 0.99 
Intra-particle diffusion  kdif (mg/g·min1/21.01 
D 8.98 
R2 0.73 
Elovich mass transfer  α (mg/(g·min)) 2.74 
β (g/mg) 2.91 
R2 0.93 
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