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Table 8 Thermodynamic parameters for the biosorption of Cu2+ on Oxalic acid modified and raw Saccharum officinarum biomas

From: Bioremediation of Cu(II) contaminated water by Saccharum officinarum: effect of oxalic acid modification on equilibrium, kinetic and thermodynamic parameters

  Oxalic acid modified biomas Raw raw biomas
Temp K d ΔG (kJ mol−1) ΔH (kJ mol−1) ΔS (J mol−1) R 2 K d ΔG (kJ mol−1) ΔH (kJ mol−1) ΔS (J mol−1) ΔG (kJ mol−1)
298 2.639 −2.40 17.55 66.99 0.927 1.005 −0.01 26.43 88.86 0.994
303 2.840 −2.63     1.257 −0.58    
308 3.622 −3.30     1.424 −0.91    
313 3.656 −3.37     1.682 −1.35    
318 4.054 −3.70     2.009 −1.84