Study of Fluoride Affinity by Zirconium Impregnated Walnut Shell Carbon in Aqueous Phase: Kinetic and Isotherm Evaluation

Table 1

Linear isotherm parameters of fluoride adsorption on ZIWSC.

Temp (K)	Langmuir isotherm			Freundlich parameters			Redlich parameters
	𝑄 (mg/g)	𝑏 (L/g)	𝑟^2	𝐾𝑓 (mg/g)	1/𝑛	𝑟^2	𝐾𝑇 (L/mol)	𝐵1	𝑟^2
303	3.19	2.33	0.963	0.648	0.944	0.982	3.88	8.75	0.965
313	3.01	2.62	0.954	0.590	0.932	0.983	7.12	4.20	0.963
323	3.22	2.74	0.965	0.595	0.953	0.983	4.29	7.19	0.966
333	3.53	3.11	0.919	0.643	0.944	0.980	7.76	6.85	0.964