Table 1 Kinetic model parameters for the adsorption of iAs on CoFe2O4@MIL-100(Fe).

From: CoFe2O4@MIL-100(Fe) hybrid magnetic nanoparticles exhibit fast and selective adsorption of arsenic with high adsorption capacity

 

C0 (mg L−1)

qe(exp) (mg g−1)

Pseudo-first-order kinetic model

Pseudo-second-order kinetic model

qe(cal) (mg g−1)

k1 (min−1)

R2

qe(cal) (mg g−1)

k2 (g mg−1 min−1)

R2

As(V)

0.1

0.20

5.00 × 10−4

4.29 × 10−3

0.43

0.20

212.63

1.00

1

1.99

1.05 × 10−3

8.26 × 10−3

0.63

1.99

54.20

1.00

10

19.36

2.58

1.07 × 10−2

0.82

19.47

0.02

1.00

As(III)

0.1

0.19

4.63 × 10−3

3.44 × 10−2

0.84

0.19

0.84

1.00

1

1.93

5.50 × 10−3

0.29

0.85

1.89

0.13

1.00

10

14.10

8.96 × 10−3

3.08

0.88

13.66

1.66 × 10−2

1.00