Fluoride removal by novel composite material and its performance in the fixed-bed column filter

Abstract

The objectives of this study are to (i) evaluate the process controlling fluoride (F-) removal by ceriumimpregnated activated carbon (AC-Ce) composite, and (ii) assess the performance of that composite in the fixed-bed column as a filter. The AC-Ce composites were synthesized by collecting AC from different sources (ACDarco and ACEco). The observations from this study suggest that the homogeneous distribution of amorphous Ce within ACDarco-Ce results in high F- sorption. Formation of crystalline CeO2 and small pore size of ACEco inhibits F- sorption by ACEco-Ce. The ACDarco-Ce composite in fixed-bed filter media can treat up to 722 ml of F- contaminated water.