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

Table 5

Field trial results of ZIWSC.

Water quality parameters	Before treatment	After treatment
F^− (mg/L)	3.6	0.53
pH	8.1	7.1
EC (mmho/cm^2)	4.16	1.44
Cl^− (mg/L)	463	222
TH (mg/L)	496	201
TA (mg/L)	467	212