Bioresources and Bioprocessing

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

Back to article page