Eco-Friendly and Easily Synthesized Amorphous Fe-Ca (Oxy)hydroxide for Selective Phosphate Removal from Synthetic and Real Effluents: Synthesis, Optimization, and Application.

ABSTRACT: The contamination of surface and groundwater by nutrients due to the discharge of untreated effluents is a serious environmental issue, as it can promote eutrophication and compromise water quality. This study aimed to optimize the synthesis of Fe-Ca (oxy)-hydroxide (CaFe) and evaluate its adsorptive capacity for phosphate ions. The coprecipitation route was chosen for the material synthesis. Structural characterizations revealed that the material exhibits high roughness, a large number of active sites, thermal stability, and a predominance of the amorphous phase, all of which favor its efficiency in phosphate adsorption. Optimization using response surface methodology (RSM) yielded a high adjusted coefficient of determination (R _adj ² = 0.97), indicating excel

SUBMITTER: Teixeira YN 

PROVIDER: S-EPMC12903001 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature