Thermodynamic, Kinetic, and Equilibrium Parameters for the Removal of Lead and Cadmium from Aqueous Solutions with Calcium Alginate Beads

Table 3

Isotherm model parameters and correlation coefficients (R) for cadmium biosorption by CAB.

𝑇 (°C)	Langmuir			Freundlich			Langmuir-Freundlich
	𝑞0 (mg/g)	𝑎𝐿 (L/mg)	𝑅	𝐾𝐹 (mg/g)(mg/L)^1/𝑛	𝑛	𝑅	𝐾𝐿𝐹 (mg/g)(mg/L)^1/𝑛	𝑎𝐿𝐹 (mg/L)	𝑛	𝑅
25	27.439	0.384	0.969	8.883	2.76	0.991	8.953	0.003	0.36	0.971
35	32.935	0.477	0.977	11.600	2.86	0.995	12.734	0.004	0.41	0.975
50	39.317	0.667	0.985	16.103	3.90	0.991	25.959	0.063	0.95	0.985