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Stilbite zeolite (STI), a natural zeolite with high crystallinity and an open pore system, was modified with FeCl 3 solution for the removal of fluoride from drinking water. The parent STI and modified STI (Fe(III)-STI) were characterized by FTIR, scanning electron microscopy (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Adsorption of fluoride on modified STI (Fe(III)-STI)...
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