## 3 Adsorption of Model Compounds by Eggshell Biocomposite Adsorbents
### Temperature Effects and Thermodynamic Parameters
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**adsorbate** & **adsorbent** & **adsorption** & & **Equilibrium** & & \\
**system** & **parameters** & **parameters** & **and Kinetic** & **Remarks** & **Ref.** \\ \hline PO43– and & & & & & & \\ SO42– in & Syn. & & & & & \\ slaughter & Ca(Ac)2 & & & & & \\ wastewater & from ES & & & & & \\ (SWW) & & & & & & \\ \hline PO43– and & & & & & & \\ SO42– in & Syn. & & & & & \\ slaughter & Ca(Ac)2 & & & & & \\ wastewater & from ES & & & & & \\ (SWW) & & & & & & \\ \hline PO43– & & & & & & \\  & & & & & & \\  & & & & & & \\  & & & & & & \\ F– & CES & pH 7, 25 \({}^{\circ}\)C & 258.28 & Langmuir and PSO & HCO3 – \(>>\) SO42– \(>\) & [60] \\  & & & & & & \\  & & & & & & \\  & & & & & & \\  & & & & & & \\  & & & & & & \\ \hline F– & & & 100 mL, 250 rpm, & & & \\  & & 1 h, 0.5 g, & & & & \\  & & 303 K, and pH 6 & & & & \\ \hline NO3– & & & 40 mL, 200 mg/L, & nZVI-BC-3 has & & & \\  & nZVI-BC-3, & & 150 rpm, & 148.1, & Freundlich & & \\  & & & & & \\  & CES-BC-3 & pH 5, 24 h, and & CES-BC-3 & & & \\  & & 1 g/L & 72.77 & & & \\ \hline PO43– & & & 100 mL, 0.1 g & & & \\  & & & ESP-Al in 5 mg & ESP, ESP-Al & & \\  & & (P)/L, 10 mg (P)/L & & respectively has & Langmuir & \\  & & & in 1 g ESP, & 0.57 and & & \\  & & & 200 rpm, and & 6.23 mg(P)/g & & \\  & & & 313 K & & & \\ \hline PO43– & & & 0.05 g, 50 mL, & & & \\  & & & 200 mg P/L, & & & \\  & CES-BC-1 & 180 rpm, 25 \({}^{\circ}\)C, and 24 h & & & \\ \hline HPO42– & & & & & \\  & & & & & \\ HPO42– & & CES & 600 mg P-PO4/L, & & & \\  & & pH 8, 25 \({}^{\circ}\)C, 2 h, & & & \\  & & 100 rpm & & & \\ \hline HPO42– & & & & & \\  & RS, BC-2 & & 0.01 g. 40 mL, & & & \\  & CES-BC-2 & 220 rpm, & & & \\  & & pH 7, 298 K & & & \\  & & & & & \\  & & & & & \\  & & & & & \\ \hline PO43– & & CES, PES, & 20 mg, 200 rpm, & & \\  & PES-BC-3 & & 2 h, & & \\  & PES-BC-3 & & 109.7 & & CES \textless{} PES-BC-3 & \\ \hline \hline \end{tabular}
\end{table} 
Table 5: _Cont._ \begin{table}
\begin{tabular}{l c c c c c} \hline \hline
**Adsorbate-Adsorbent Systems** & \begin{tabular}{c} **Temp.** \\ **(K)** \\ \end{tabular} & \begin{tabular}{c} \(\Delta\)H\({}^{\circ}\) \\ **(kJ/mol)** \\ \end{tabular} & \
\begin{tabular}{c} \(\Delta\)S\({}^{\circ}\) \\ **(J/mol.K)** \\ \end{tabular} &
\begin{tabular}{c} \(\Delta\)G\({}^{\circ}\) \\ **(kJ/mol)** \\ \end{tabular} & **Ref** \\ \hline Remazol red 198-immESP & 295 & \(-3.33\) & \(-7.95\) & \(-973.9\) & [7] \\ Styryl pyridinium dye -ESP-SDS & 300 & 69.3 & 281.3 & 15.3 & [20] \\ F\({}^{-}\)ESP & 303 & \(-58.15\) & \(-0.16\) & \(-9.01\) & [23] \\ CR-ES matrix & 298 & \(-22.61\) & \(-70.86\) & \(-1630.1\) & [48] \\ MB-ES matrix & 298 & \(-63.04\) & \(-185.79\) & \(-8949.3\) & [48] \\ Pb\({}^{2+}\)-ESP & 295 & 55 & 209.3 & \(-6.58\) & [41] \\ Cd\({}^{2+}\)-ESP & 303 & 26.28 & 86.57 & \(-49.2\) & [50] \\ RY4-ESP & 303 & 18.02 & 60.16 & \(-251.8\) & [50] \\ MR-ESP & 298 & 31.90 & 150 & \(-11.6\) & [51] \\ Phenol-ESP & 295 & \(-388.9\) & 1.65 & \(-7.40\) & [52] \\ HPO\({}_{4}\)\({}^{2-}\)-CES-BC-2 & 298 & 2.06 & 16.5 & \(-2.85\) & [54] \\ F\({}^{-}\)CES & 298 & 92.34 & 315.91 & \(-1.85\) & [60] \\ Phenol-CES1 & 303 & \(-27.23\) & \(-80\) & \(-34.6\) & [62] \\ Phenol-CEMemb & 303 & \(-39.95\) & \(-100\) & \(-27.8\) & [62] \\ Phenol-CES & 303 & \(-22.23\) & \(-70\) & \(-25.0\) & [62] \\ MB-SF/ESP composite & 298 & 80.36 & 36.72 & \(-11.3\) & [63] \\ EBT-SF/ESP composite & 298 & 72.39 & 33.12 & \(-9.7\) & [63] \\ AN57-TiO\({}_{2}\)/CES & 298 & \(-0.11\) & \(-300\) & 15.4 & [64] \\ Zn\({}^{2+}\)-ESP & 298 & 27.61 & 143.02 & \(-14.3\) & [67] \\ CR-ESP & 293 & \(-7.4\) & \(-21.31\) & \(-1.1\) & [71] \\ CR-CES & 293 & \(-8.84\) & \(-5.92\) & \(-7.08\) & [71] \\ CR-MWCNTs/CES & 293 & \(-17.74\) & \(-22.22\) & \(-11.4\) & [71] \\ Cr\({}^{3+}\)-ESP & 298 & 121.35 & 423.1 & \(-5.7\) & [114] \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Thermodynamic parameters for the adsorption of pollutants onto ESP/composite in wastewater systems.