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