Research Article

Adsorptive Removal of Methylene Blue and Crystal Violet onto Micro-Mesoporous Zr3O/Activated Carbon Composite: A Joint Experimental and Statistical Modeling Considerations

Table 1

Isotherm models.

IsothermEquationDescription

Langmuir1/Qe = 1/Qm + 1/(KLQmCe)Ce: concentration at equilibrium; Qe = uptake at equilibrium; Qm = maximum adsorption capacity; KL= energy of adsorption
Freundlichln (Qe) = ln KF + 1/n ln (Ce)KF = adsorption capacity; n = intensity of adsorption; 1/n = 0 irreversible; 1/n > unfavourable; 0 < 1 favourable