Research Article
Ultrasonic Functionalized Egg Shell Powder for the Adsorption of Cationic Dye: Equilibrium and Kinetic Studies
Table 4
Thermodynamic parameters for the adsorption of MG dye onto UAESP.
| | S. no. | Parameters | Temperature (K) | Initial MG dye concentration (mg/L) | | 25 | 50 | 75 | 100 | 125 | 150 |
| | 1 | (KJ/Mol) | 303 | -11.5005 | -9.0492 | -7.3494 | -6.25 | -5.2311 | -4.4985 | | 313 | -9.4913 | -7.8026 | -6.1044 | -5.7352 | -4.4483 | -3.8039 | | 323 | -7.8125 | -6.3709 | -5.1744 | -4.6413 | -3.9096 | -3.4603 | | 333 | -6.6654 | -5.6579 | -4.7399 | -3.959 | -3.5316 | -3.0519 | | 2 | (KJ/Mol) | -60.6869 | -44.3429 | -34.0226 | -30.4133 | -22.4787 | -18.7163 | | 3 | (J/Mol/K) | -162.942 | -116.734 | -88.6168 | -79.4549 | -57.1963 | -47.2073 |
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