Xiangyun Sun, Changping Ke, Qifa Lu, Qiang Wang, Shaoqi Zhou, Long Liang* and Guangyuan Xie*,
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Recent Advances in Adsorption Techniques for the Removal of Fluoride Ions from Wastewater: A Review
With the rapid development of the chemical and pharmaceutical industries, fluoride ion contamination has become an increasingly serious issue in recent years. Addressing large volumes of fluoride-containing wastewater has emerged as a critical research topic. This article begins by discussing the harmful effects of fluoride ions on human health and then reviews various technologies for controlling fluoride ion pollution in water, with a focus on adsorption methods. Among the minerals employed in adsorption, attapulgite stands out due to its excellent physicochemical properties, abundant reserves, and low cost, making it a widely used material in the treatment of fluoride-containing wastewater. However, a comprehensive evaluation of attapulgite-based adsorbent materials in fluoride wastewater treatment has yet to be established. This review summarizes the preparation, application development, and adsorption mechanisms of attapulgite-based composite materials. It also offers constructive suggestions for fully utilizing attapulgite’s inherent properties, emphasizing the potential for regeneration and recycling, to inspire new approaches for developing more efficient attapulgite-based fluoride ion adsorbents in the future.
期刊介绍:
ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.