Table 6 Parameters obtained from the Temkin isotherm and maximum experimental capacity of adsorption values, qm, exp, for sections 2A and 2B of adsorption of MB on agar in water and different concentrations of HCl at 308-328 K
From: Adsorptive removal of methylene blue by agar: effects of NaCl and ethanol
| Â | Section 2A | Section 2B | ||||||
|---|---|---|---|---|---|---|---|---|
[HCl](M) | q m, exp (mg g-1) | c1 (mg g-1) | c2 (M-1) | R 2 | q m, exp (mg g-1) | c1 (mg g-1) | c2 (M-1) | R 2 |
| Â | T = 308 K | |||||||
0.0 | 12.89 | 139.66 | 675821 | 0.997 | 45.93 | 303.03 | 399806 | 0.995 |
0.001 | 12.52 | 121.89 | 138175 | 0.995 | 21.74 | 206.99 | 46497 | 0.983 |
0.032 | 10.92 | 12.58 | 121097 | 0.996 | 18.21 | 148.73 | 53190 | 0.995 |
| Â | T = 318 K | |||||||
0.0 | 21.64 | 204.88 | 454648 | 0.991 | 48.75 | 514.35 | 192568 | 0.990 |
0.001 | 11.83 | 112.26 | 129443 | 0.986 | 20.92 | 230.70 | 36358 | 0.987 |
0.032 | 8.26 | 147.58 | 110745 | 0.971 | 16.63 | 156.46 | 43918 | 0.992 |
| Â | T = 328 K | |||||||
0.0 | 21.52 | 220.79 | 309683 | 0.995 | 47.53 | 454.13 | 170397 | 0.990 |
0.001 | 7.58 | 80.45 | 119275 | 0.978 | 16.64 | 196.03 | 32842 | 0.989 |
0.032 | 8.94 | 152.03 | 92994 | 0.995 | 24.20 | 251.69 | 36180 | 0.969 |