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Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH by Wan-Tae Kim; Joo-Won Lee; Hong-Eun An; So-Hye Cho; Sohee Jeong is a Materials Science article available to read on EtoBox.

What is Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH about?

Fluoride ion is essential for health in small amounts, but excessive intake can be toxic. Meeting safety regulations for managing fluoride ion emissions from industrial facilities with both cost-effective and eco-friendly approaches is challenging. This study presents a solution through a chemical-free process, producing a boehmite (AlOOH) adsorbent on aluminum sheets. Utilizing cost-effective Al foil and DI water, rather than typical precursors, yields a substantial cost advantage. The optimized AlOOH adsorbent demonstrated a high fluoride ion removal rate of 91.0% in simulated wastewater with fluoride ion concentrations below 20 ppm and displayed a similar performance in industrial wastewater. Furthermore, the AlOOH adsorbent exhibited excellent reusability through a simple regeneration process and maintained stable performance across a wide pH range of 4 to 11, demonstrating its capability to adsorb fluoride ions under diverse conditions. The efficiency of the AlOOH adsorbent was validated by a high fluoride ion removal efficiency of 90.9% in a semi-batch mode flow cell, highlighting its potential applicability in engineered water treatment systems. Overall, the AlOOH adsorbent

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Author

Wan-Tae Kim; Joo-Won Lee; Hong-Eun An; So-Hye Cho; Sohee Jeong

Publisher

MDPI AG

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)