AdsorbentCode ΔH° (KJ/mol) ΔS° (KJ/mol K) ΔG° (KJ/mol)
298 K 308 K 318 K
MACS 14.599 0.091 -12.49 -13.85 -14.76
MACL 16.284 0.100 -13.52 -15.02 -16.00
ACS 8.970 0.075 -13.49 -14.63 - 15.38
ACL 11.190 0.109 -21.29 -22.93 -24.02
DS 9.710 0.088 -16.51 -17.83 -18.71
DL 10.990 0.088 -15.35 -16.67 -17.56
Table 8: Thermodynamic parameters for adsorption of Pb2+ by MACS, MACL, ACS, ACL, DS and DL at different temperatures.
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