Table 5.
Kinetic | [Pb2+] mg L−1 |
qe-exp (mg g−1) |
qe-calcul (m g−1) |
k (min−-1) |
R2 |
---|---|---|---|---|---|
Pseudo 1st order | 020 | 18.7 | 07.41 | 0.138 | 0.940 |
040 | 37.67 | 26.91 | 0.055 | 0.970 | |
060 | 52.71 | 43.65 | 0.060 | 0.976 | |
100 | 90.72 | 102.33 | 0.092 | 0.997 | |
200 | 96.75 | 112.20 | 0.092 | 0.997 | |
Pseudo 2sec order | 020 | 18.7 | 18.87 | 0.1300 | 1 |
040 | 37.67 | 38.46 | 0.0072 | 0.9997 | |
060 | 52.71 | 55.55 | 0.0040 | 0.999 | |
100 | 90.72 | 99.00 | 0.0017 | 0.998 | |
200 | 96.75 | 99.00 | 0.0023 | 1 |