High-Efficiency Adsorption of Hexavalent Chromium from Aqueous Solution by Samanea saman Activated Carbon

Table 2

Adsorption isotherm model parameters.

Monolayer adsorption isotherm model
Langmuir				Freundlich
0,2893	-8.4020	0.857	0.005	0.3086	-1.6595	0.999	0.000009

Note: : maximum adsorption capacity (mg/g); : Langmuir constant associated with adsorption capacity (L/mg); : adsorption capacity (mg/g); : intensity adsorption; : linear coefficient of determination; : nonlinear statistical test (chi square).