Table 6 Thermodynamic parameters of MG adsorption activity of nano bentonite and MgO impregnated clay.

From: Preparation and characterization of low-cost adsorbents for the efficient removal of malachite green using response surface modeling and reusability studies

Adsorbent

Temperature, K

DG, kJ/mol

DH, kJ/mol

DS, kJ/mol

R2

Nanobentonite

298

0.00957557

− 52.6858

− 0.20893

0.96

303

0.01062022

   

308

0.01166487

   

323

0.01479884

   

343

0.01897745

   

MgO impregnated nano bentonite

298

0.01304932

54.62298

0.13959

0.98

303

0.01235178

   

308

0.01165423

   

323

0.0095616

   

343

0.00677142

   
Back to article page