## 3 Results and Discussion
& - & - \\ \hline \multicolumn{11}{c}{C\({}_{0}\)} & \multicolumn{1}{c}{\(0.5\,\mathrm{mg}/\mathrm{dm}^{2}\)} & \multicolumn{1}{c}{\(1.0\,\mathrm{mg}/\mathrm{dm}^{3}\)} & \multicolumn{1}{c}{\(2.0\,\mathrm{mg}/\mathrm{dm}^{3}\)} \\ \hline \multicolumn{11}{c}{LI—Langmuir isotherm in Langmuir linearization [49]} \\ \hline \multirow{5}{*}{5 \({}^{\circ}\)C} & \(1.0\div 1.60\) & 45.74 & 0.0221 & 0.04 & 0.967 & 54.92 & 0.0330 & 0.02 & 0.975 & 9.67 & 0.1157 & 0.05 & 0.959 \\ \cline{2-11}  & \(  
\begin{table}
\begin{tabular}{c c c c c c c c c c c c c c c} \hline \hline \multirow{2}{*}{\(\mathbf{T}_{\mathrm{e}}\,^{\circ}\mathbf{C}\)} & \multicolumn{2}{c}{\(\mathbf{K_{\mathrm{L}}}\)} & \multicolumn{2}{c}{\(\mathbf{q_{\mathrm{max}}}\)} & \multicolumn{2}{c}{\(\mathbf{R_{\mathrm{L}}}\)} & \multicolumn{2}{c}{\(\mathbf{R_{\mathrm{L}}}\)} & \multicolumn{2}{c}{\(\mathbf{q_{\mathrm{max}}}\)} & \multicolumn{2}{c}{\(\mathbf{R_{\mathrm{L}}}\)} & \multicolumn{2}{c}{\(\mathbf{R^{2}}\)} & \multicolumn{2}{c}{\(\mathbf{K_{\mathrm{L}}}\)} & \multicolumn{2}{c}{\(\mathbf{q_{\mathrm{max}}}\)} & \multicolumn{2}{c}{\(\mathbf{R_{\mathrm{L}}}\)} & \multicolumn{2}{c}{\(\mathbf{R^{2}}\)} \\  & \multicolumn{2}{c}{\(\mathbf{ldm^{3}/gl. }\)} & \multicolumn{2}{c}{\(\mathbf{Img/gl. }\)} & - & - & \multicolumn{2}{c}{\(\mathbf{ldm^{3}/gl. }\)} & \multicolumn{2}{c}{\(\mathbf{Img/gl. }\)} & - & - & \multicolumn{2}{c}{\(\mathbf{ldm^{3}/gl. }\)} & \multicolumn{2}{c}{\(\mathbf{Img/gl. }\)} & \multicolumn{2}{c}{\(\mathbf{Img/gl. }\)} & - \\ \hline \multirow{4}{*}{\(10\,^{\circ}\mathrm{C}\)} & 1.0 \(\div\) 1.60 & 184.56 & 0.0170 & 0.01 & 0.571 & 230.73 & 0.0286 & 0.00 & 0.346 & 25.33 & 0.1237 & 0.02 & 0.967 \\ \cline{2-13}  & 1.6 \(\div\) 2.5 & 108.50 & 0.0412 & 0.02 & 0.726 & \(-\)32.41 & 0.0746 & \(-\)0.03 & 0.387 & 70.94 & 0.0994 & 0.01 & 0.096 \\ \cline{2-13}  & 2.0 \(\div\) 5.0 & 348.48 & 0.0238 & 0.01 & 0.268 & 134.38 & 0.0546 & 0.01 & 0.795 & 50.19 & 0.0832 & 0.01 & 0.735 \\ \hline \multirow{4}{*}{\(15\,^{\circ}\mathrm{C}\)} & 1.0 \(\div\) 1.60 & 166.47 & 0.0162 & 0.01 & 0.815 & 92.58 & 0.0601 & 0.01 & 0.739 & 29.04 & 0.1193 & 0.02 & 0.903 \\ \cline{2-13}  & 1.6 \(\div\) 2.5 & 143.34 & 0.0159 & 0.01 & 0.688 & 228.17 & 0.0518 & 0.00 & 0.588 & 46.92 & 0.0988 & 0.01 & 0.888 \\ \cline{2-13}  & 2.0 \(\div\) 5.0 & 177.66 & 0.0229 & 0.01 & 0.622 & 92.05 & 0.0676 & 0.01 & 0.679 & 69.61 & 0.1005 & 0.01 & 0.854 \\ \hline \multirow{4}{*}{\(20\,^{\circ}\mathrm{C}\)} & 1.0 \(\div\) 1.60 & 27.88 & 0.0475 & 0.07 & 0.987 & 31.93 & 0.0835 & 0.03 & 0.967 & 29.93 & 0.1079 & 0.02 & 0.961 \\ \cline{2-13}  & 1.6 \(\div\) 2.5 & 46.03 & 0.0410 & 0.04 & 0.824 & 15.21 & 0.1427 & 0.06 & 0.998 & 17.06 & 0.1459 & 0.03 & 0.996 \\ \cline{2-13}  & 2.0 \(\div\) 5.0 & 141.66 & 0.0253 & 0.01 & 0.632 & 36.33 & 0.0869 & 0.03 & 0.622 & 24.65 & 0.1543 & 0.02 & 0.856 \\ \hline \multirow{4}{*}{\(25\,^{\circ}\mathrm{C}\)} & 1.0 \(\div\) 1.60 & 63.58 & 0.0337 & 0.03 & 0.984 & 67.71 & 0.0905 & 0.01 & 0.998 & 32.38 & 0.1287 & 0.02 & 0.992 \\ \cline{2-13}  & 1.6 \(\div\) 2.5 & 57.85 & 0.0381 & 0.03 & 0.922 & 34.64 & 0.1159 & 0.03 & 0.968 & 26.99 & 0.1428 & 0.02 & 0.957 \\ \cline{2-13}  & 2.0 \(\div\) 5.0 & 109.60 & 0.0239 & 0.02 & 0.113 & 50.61 & 0.1145 & 0.02 & 0.476 & 11.51 & 0.1321 & 0.04 & 0.517 \\ \hline \multicolumn{13}{c}{\(\mathrm{LIII}\)—Langmuir isotherm in Scatchard linearization [49]} \\ \hline \multirow{4}{*}{\(5\,^{\circ}\mathrm{C}\)} & 1.0 \(\div\) 1.60 & 77.54 & 0.0205 & 0.03 & 0.523 & 64.63 & 0.0350 & 0.02 & 0.243 & 14.77 & 0.1139 & 0.03 & 0.317 \\ \cline{2-13}  & 1.6 \(\div\) 2.5 & 30.22 & 0.0595 & 0.06 & 0.904 & \(-\)19.26 & 0.03 The results presented in Table 2 show that the way the general Langmuir model is linearized has a significant impact on the key parameters. These parameters include K\({}_{\rm L}\), i.e., the Langmuir adsorption constant (L/mg) that is related to the apparent energy of sorption [71], and qmax, which represents the maximum sorption capacity on the surface of the deposit grains.