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Table 3

Comparison of pseudo first-order and pseudo second-order results

Co (mg/L)qe, exp (mg/g)Pseudo first order model
Pseudo second order model
Kad (1/min)qe, cal (mg/g)r2K′ (g/mg min)qe, cal (mg/g)r2
40 5.83333 0.00317 2.17801 0.99727 0.00465 5.65611 0.99918 
80 11.16667 0.00504 4.82114 0.99401 0.00189 11.66045 0.99994 
120 16.08333 0.00359 6.27682 0.98144 0.00153 15.92864 0.99599 
160 20.61667 0.00391 9.04086 0.89751 0.00100 20.75550 0.98665 
200 24.83333 0.00363 9.86166 0.96162 0.00096 24.63054 0.99407 
Co (mg/L)qe, exp (mg/g)Pseudo first order model
Pseudo second order model
Kad (1/min)qe, cal (mg/g)r2K′ (g/mg min)qe, cal (mg/g)r2
40 5.83333 0.00317 2.17801 0.99727 0.00465 5.65611 0.99918 
80 11.16667 0.00504 4.82114 0.99401 0.00189 11.66045 0.99994 
120 16.08333 0.00359 6.27682 0.98144 0.00153 15.92864 0.99599 
160 20.61667 0.00391 9.04086 0.89751 0.00100 20.75550 0.98665 
200 24.83333 0.00363 9.86166 0.96162 0.00096 24.63054 0.99407 
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