Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH
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-f...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-10-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/13/21/2838 |
| _version_ | 1797631492871946240 |
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| author | Wan-Tae Kim Joo-Won Lee Hong-Eun An So-Hye Cho Sohee Jeong |
| author_facet | Wan-Tae Kim Joo-Won Lee Hong-Eun An So-Hye Cho Sohee Jeong |
| author_sort | Wan-Tae Kim |
| collection | DOAJ |
| description | 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 developed in this study offers a cost-effective, eco-friendly, and sustainable solution for effectively removing fluoride ion from surface waters and industrial wastewaters. |
| first_indexed | 2024-03-11T11:24:17Z |
| format | Article |
| id | doaj.art-627f2f32c3f243b4ba656e8f47aaec13 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-11T11:24:17Z |
| publishDate | 2023-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-627f2f32c3f243b4ba656e8f47aaec132023-11-10T15:09:07ZengMDPI AGNanomaterials2079-49912023-10-011321283810.3390/nano13212838Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOHWan-Tae Kim0Joo-Won Lee1Hong-Eun An2So-Hye Cho3Sohee Jeong4Materials Architecturing Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of KoreaMaterials Architecturing Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of KoreaMaterials Architecturing Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of KoreaMaterials Architecturing Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of KoreaMaterials Architecturing Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of KoreaFluoride 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 developed in this study offers a cost-effective, eco-friendly, and sustainable solution for effectively removing fluoride ion from surface waters and industrial wastewaters.https://www.mdpi.com/2079-4991/13/21/2838AlOOHwastewaterfluoride ion removal |
| spellingShingle | Wan-Tae Kim Joo-Won Lee Hong-Eun An So-Hye Cho Sohee Jeong Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH Nanomaterials AlOOH wastewater fluoride ion removal |
| title | Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH |
| title_full | Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH |
| title_fullStr | Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH |
| title_full_unstemmed | Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH |
| title_short | Efficient Fluoride Wastewater Treatment Using Eco-Friendly Synthesized AlOOH |
| title_sort | efficient fluoride wastewater treatment using eco friendly synthesized alooh |
| topic | AlOOH wastewater fluoride ion removal |
| url | https://www.mdpi.com/2079-4991/13/21/2838 |
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