Where KF is the Freundlich constant (mg/g) and 1/n is the adsorption intensity. Log(qe) was plotted against log(Ce) and a straight line was fitted in the data. The D-R equation is given by Dubinin et al. [17]:
Where KF is the Freundlich constant (mg/g) and 1/n is the adsorption intensity. Log(qe) was plottedagainst log(Ce) and a straight line was fitted in the data. The D-R equation is given by Dubinin et al. [17]: