Selective and Efficient Removal of Fluoride from Water: In Situ Engineered Amyloid Fibril/ZrO2 Hybrid Membranes

Angewandte Chemie
Qingrui ZhangRaffaele Mezzenga

Abstract

We report a new strategy for efficient removal of F- from contaminated water streams, and it relies on carbon hybrid membranes made of amyloid fibril/ZrO2 nanoparticles (<10 nm). These membranes exhibit superior selectivity for F- against various competitive ions, with a distribution coefficient (Kd ) as high as 6820 mL g-1 , exceeding commercial ion-exchange resins (IRA-900) by 180 times and outdoing the performance of most commercial carbon-activated aluminum membranes. At both low and high (ca. 200 mg L-1 ) F- concentrations, the membrane efficiency exceeds 99.5 % removal. For real untreated municipal tap water (ca. 2.8 mg L-1 ) under continuous operating mode, data indicates that about 1750 kg water m-2 membrane can be treated while maintaining drinking water quality, and the saturated membranes can be regenerated and reused several times without decrease in performance. This technology is promising for mitigating the problem of fluoride water contamination worldwide.

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Citations

May 1, 2019·Environmental Science and Pollution Research International·Rutao YinYuming Cu
Jan 17, 2020·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Junkai ZhaoZhanhu Guo
Feb 7, 2020·Advanced Materials·Mohammad PeydayeshRaffaele Mezzenga
Apr 2, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Inas A AhmedNajlaa S Al-Radadi
Jul 8, 2020·Chemical Society Reviews·Pu Chun KeRaffaele Mezzenga
Oct 4, 2020·Environmental Science and Pollution Research International·Lei HuangHaiying Wang
Apr 8, 2020·Science China. Life Sciences·Feng LiXian-En Zhan
Dec 28, 2019·Environmental Science and Pollution Research International·Yirong DengPing'an Peng
Aug 7, 2019·Environmental Science and Pollution Research International·Yakun ZhangXinyu Jiang
Feb 29, 2020·Dose-response : a Publication of International Hormesis Society·Meng YangDongliang Shi
Feb 16, 2021·The Science of the Total Environment·Kuilin WanTangfu Xiao
Mar 9, 2021·Applied Microbiology and Biotechnology·Tuo-Di ZhangDa-Chuan Yin
Feb 26, 2021·Biotechnology Advances·Hao DongPing Wang
Mar 18, 2021·Biochemical Society Transactions·H AgnierayL J Domigan
Mar 25, 2021·Journal of the American Chemical Society·Yijun QianWeiwei Lei
Apr 17, 2021·Journal of Hazardous Materials·Yayang TianXike Tian
May 22, 2021·Biomaterials Science·Vijay KumarAshwani Kumar Thakur
Jun 2, 2021·Nature Communications·Mohammad Peydayesh, Raffaele Mezzenga
Jun 4, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Emmanuvel ArputharajHans-Uwe Dahms
Nov 25, 2021·Macromolecular Rapid Communications·Facui Yang, Peng Yang
Jan 19, 2022·Angewandte Chemie·Jie TengRaffaele Mezzenga

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