Abstract
Perfluorinated compounds are a class of emerging organic water contaminants that pose risk to human health and the natural environment. Perfluorooctane sulfonate (PFOS) is the most extensively used perfluorinated compound worldwide owing to its applications in various fields. In this study, UiO-66 and UiO-66-NH2 were synthesized via a solvothermal method that uses hydrochloric acid. These were evaluated as potential adsorbents to remove PFOS from an aqueous solution. UiO-66-NH2 showed the highest adsorption capacity because its affinity for PFOS anions in water is improved despite the decrease in specific surface area caused by the introduction of amino groups. Previous studies have reported that a UiO-66 type framework is an effective PFOS adsorbent. This study presents a novel approach to enhance its adsorption performance by amino group modification.
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