The plots of non-linearized Langmuir and Freundlich
adsorption isotherms are shown in Figs. 7 and 8. The adsorption
isotherm constants were determined by using non-linear
regression. The Langmuir and Freundlich adsorption constants
evaluated from the isotherms with the correlation
coefficients are also presented in Table 1. The best-fit equilibrium
model was determined based on the linear regression