A composite material based on nano‐metal‐organic framework MIL‐53(Fe) for adsorbing dyes from water

Metal‐organic frameworks (MOFs) had been widely used in adsorption, but nanoscale MOFs always caused secondary pollution which attributed to the difficultly of removing from water completely. To solve the problem, nanoscale metal‐organic framework MIL‐53(Fe) was uniformly grown onto carbon nanotubes...

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Bibliographic Details
Published in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2022-11, Vol.648 (22), p.n/a
Main Authors: Li, Yuqian, Shen, Luting, Si, Panpan, Xie, Minghui, Jin, Xiaoxiong, Dong, Yubing, Lin, Wenxin
Format: Article
Language:English
Subjects:
Adsorption
Carbon nanotubes
Composite materials
Dyes
Ethylene vinyl acetates
Fiber
Iron
Metal-organic frameworks
Organic dyes
Recyclability
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Summary:Metal‐organic frameworks (MOFs) had been widely used in adsorption, but nanoscale MOFs always caused secondary pollution which attributed to the difficultly of removing from water completely. To solve the problem, nanoscale metal‐organic framework MIL‐53(Fe) was uniformly grown onto carbon nanotubes (CNTs)/ethylene vinyl acetate (EVA) fiber to obtain MIL‐53(Fe)/CE fiber, and the loading content of MIL‐53(Fe) reached to 60.6 wt %. The MIL‐53(Fe)/CE fiber exhibited excellent adsorption capacity for congo red (CR) and medium orange 1 (MO1), which the removal was 99.4 % and 96.8 %. In addition, the composite could release nearly all adsorbed dyes after 1 h, which had the potential of recycling. The adsorption content of pure MIL‐53(Fe) for MO1 was about 68.4 % after 4 cycles, and the composite reached to 82.4 % after 9 cycles, implying the desirable reusability of composite. The MIL‐53(Fe)/CE fiber displayed potential application prospects in dye adsorption because of its ideal separation property, fast dye releasing and good recyclability.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.202200243