Table 5.

Thermodynamic parameters for phosphate and nitrate removal by SBAC₁₀₀MgFe composite at pH 3 and pH 6.

	T (K)	Kd	ΔG (kJ/mol)	ΔH (kJ/mol)	ΔS (J/mol K)
Phosphate (pH 3)	298	30.0	−8.43
	308	31.8	−8.86	5.30	46.0
	318	34.3	−9.35
Phosphate (pH 6)	298	12.6	−6.27
	308	15.5	−7.01	11.8	60.7
	318	16.9	−7.48
Nitrate (pH 3)	298	4.35	−3.64
	308	4.50	−3.85	4.90	28.5
	318	4.92	−4.21
Nitrate (pH 6)	298	1.36	−0.76
	308	1.95	−1.71	18.8	65.8
	318	2.18	−2.06