Kinetic models | Parameters | Temperature (K) | |||
343 | 353 | 363 | 373 | ||
Pseudo-first-order | K1 (min−1) | 3.22 × 10−2 | 3.22 × 10−2 | 3.9 2× 10−2 | 4.15 × 10−2 |
qe (mg/g) | 0.701 | 0.986 | 1.183 | 1.040 | |
R2 | 0.947 | 0.950 | 0.947 | 0.959 | |
Pseudo-second-order | K2 (g/mg·min) | 3.59 × 10−3 | 3.41 × 10−3 | 1.19 × 10−2 | 1.40 × 10−2 |
qe (mg/g) | 1.727 | 2.165 | 1.473 | 1.550 | |
R2 | 0.998 | 0.997 | 0.997 | 0.998 | |
Elovich | Α (mg/g·min) | 3.21 × 10−2 | 4.69 × 10−2 | 6.33 × 10−2 | 7.87 × 10−2 |
Β (g/mg) | 0.500 | 3.559 | 3.497 | 3.125 | |
R2 | 0.932 | 0.939 | 0.972 | 0.980 | |
Intra-particle diffusion | Kid (mg/g∙min1/2) | 0.080 | 0.112 | 0.112 | 0.125 |
c | −0.158 | -0.210 | −0.121 | −0.096 | |
R2 | 0.995 | 0.996 | 0.997 | 0.992 |