Exploring UiO-66(Zr) frameworks as nanotraps for highly efficient removal of EDTA-complexed heavy metals from water
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2021
Authors
Lou, XiaofeiWu, Yi-nan

Kabtamu, Daniel Manaye

Matović, Ljiljana

Zhang, Yanxing
Sun, Xianyi
Schott, Eduardo
Chu, Wenhai
Li, Fengting
Article (Published version)

© 2020 Elsevier Ltd.
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Metal-organic frameworks (MOFs), an exciting class of porous crystalline materials, are suitable for adsorptive removal of toxic heavy metal-ethylenediaminetetraacetic acid (M-EDTA) complexes from wastewater. In this paper, water-stable UiO-66(Zr) with well-defined morphology was successfully synthesized through a facile microwave-assisted solvothermal method and employed as nanotraps for the efficient capture of the three M-EDTA complexes, Cu-EDTA, Pb-EDTA, and Ni-EDTA. The adsorption behaviors, effects of solution pH and co-existing anions, as well as the eluant and desorption were investigated. The obtained UiO-66(Zr) showed good stability and excellent uptake capacity of M-EDTA in a wide pH range (3.0-10.0). UiO-66(Zr) exhibited a higher removal efficiency of Cu-EDTA (57.56 mg/g), Pb-EDTA (120.6 mg/g), and Ni-EDTA (54.27 mg/g). Based on the overall analysis results, our findings show that EDTA-metal complex ions can be adsorbed inside UiO-66(Zr) mainly through the Lewis-acid/-base i...nteractions and possible anion-πinteraction with strong binding energies. Size-matching EDTA-metal complexes confined in the UiO-66(Zr) with flexible geometry would also contribute to the fast adsorption kinetics as well as the selective adsorption of different M-EDTA complexes. © 2020 Elsevier Ltd.
Keywords:
Adsorption / DFT calculation / Metal-EDTA complexes / Metal-organic frameworks / UiO-66(Zr)Source:
Journal of Environmental Chemical Engineering, 2021, 9, 1, 104932-Funding / projects:
- National Natural Science Foundation of China [21777119]
- National Natural Science Foundation of China [22076144]
- Science and Technology Commission of Shanghai Municipality [17230711600]
- Science and Technology Commission of Shanghai Municipality [20230712200]
- Science and Technology Commission of Shanghai Municipality [18230742300]
- Grant FONDECYT 1201880
- Grant ANID/FONDAP/15110019
DOI: 10.1016/j.jece.2020.104932
ISSN: 2213-3437
WoS: 000615211600005
Scopus: 2-s2.0-85098786091
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VinčaTY - JOUR AU - Lou, Xiaofei AU - Wu, Yi-nan AU - Kabtamu, Daniel Manaye AU - Matović, Ljiljana AU - Zhang, Yanxing AU - Sun, Xianyi AU - Schott, Eduardo AU - Chu, Wenhai AU - Li, Fengting PY - 2021 UR - https://vinar.vin.bg.ac.rs/handle/123456789/8919 AB - Metal-organic frameworks (MOFs), an exciting class of porous crystalline materials, are suitable for adsorptive removal of toxic heavy metal-ethylenediaminetetraacetic acid (M-EDTA) complexes from wastewater. In this paper, water-stable UiO-66(Zr) with well-defined morphology was successfully synthesized through a facile microwave-assisted solvothermal method and employed as nanotraps for the efficient capture of the three M-EDTA complexes, Cu-EDTA, Pb-EDTA, and Ni-EDTA. The adsorption behaviors, effects of solution pH and co-existing anions, as well as the eluant and desorption were investigated. The obtained UiO-66(Zr) showed good stability and excellent uptake capacity of M-EDTA in a wide pH range (3.0-10.0). UiO-66(Zr) exhibited a higher removal efficiency of Cu-EDTA (57.56 mg/g), Pb-EDTA (120.6 mg/g), and Ni-EDTA (54.27 mg/g). Based on the overall analysis results, our findings show that EDTA-metal complex ions can be adsorbed inside UiO-66(Zr) mainly through the Lewis-acid/-base interactions and possible anion-πinteraction with strong binding energies. Size-matching EDTA-metal complexes confined in the UiO-66(Zr) with flexible geometry would also contribute to the fast adsorption kinetics as well as the selective adsorption of different M-EDTA complexes. © 2020 Elsevier Ltd. T2 - Journal of Environmental Chemical Engineering T1 - Exploring UiO-66(Zr) frameworks as nanotraps for highly efficient removal of EDTA-complexed heavy metals from water VL - 9 IS - 1 SP - 104932 DO - 10.1016/j.jece.2020.104932 ER -
@article{ author = "Lou, Xiaofei and Wu, Yi-nan and Kabtamu, Daniel Manaye and Matović, Ljiljana and Zhang, Yanxing and Sun, Xianyi and Schott, Eduardo and Chu, Wenhai and Li, Fengting", year = "2021", abstract = "Metal-organic frameworks (MOFs), an exciting class of porous crystalline materials, are suitable for adsorptive removal of toxic heavy metal-ethylenediaminetetraacetic acid (M-EDTA) complexes from wastewater. In this paper, water-stable UiO-66(Zr) with well-defined morphology was successfully synthesized through a facile microwave-assisted solvothermal method and employed as nanotraps for the efficient capture of the three M-EDTA complexes, Cu-EDTA, Pb-EDTA, and Ni-EDTA. The adsorption behaviors, effects of solution pH and co-existing anions, as well as the eluant and desorption were investigated. The obtained UiO-66(Zr) showed good stability and excellent uptake capacity of M-EDTA in a wide pH range (3.0-10.0). UiO-66(Zr) exhibited a higher removal efficiency of Cu-EDTA (57.56 mg/g), Pb-EDTA (120.6 mg/g), and Ni-EDTA (54.27 mg/g). Based on the overall analysis results, our findings show that EDTA-metal complex ions can be adsorbed inside UiO-66(Zr) mainly through the Lewis-acid/-base interactions and possible anion-πinteraction with strong binding energies. Size-matching EDTA-metal complexes confined in the UiO-66(Zr) with flexible geometry would also contribute to the fast adsorption kinetics as well as the selective adsorption of different M-EDTA complexes. © 2020 Elsevier Ltd.", journal = "Journal of Environmental Chemical Engineering", title = "Exploring UiO-66(Zr) frameworks as nanotraps for highly efficient removal of EDTA-complexed heavy metals from water", volume = "9", number = "1", pages = "104932", doi = "10.1016/j.jece.2020.104932" }
Lou, X., Wu, Y., Kabtamu, D. M., Matović, L., Zhang, Y., Sun, X., Schott, E., Chu, W.,& Li, F.. (2021). Exploring UiO-66(Zr) frameworks as nanotraps for highly efficient removal of EDTA-complexed heavy metals from water. in Journal of Environmental Chemical Engineering, 9(1), 104932. https://doi.org/10.1016/j.jece.2020.104932
Lou X, Wu Y, Kabtamu DM, Matović L, Zhang Y, Sun X, Schott E, Chu W, Li F. Exploring UiO-66(Zr) frameworks as nanotraps for highly efficient removal of EDTA-complexed heavy metals from water. in Journal of Environmental Chemical Engineering. 2021;9(1):104932. doi:10.1016/j.jece.2020.104932 .
Lou, Xiaofei, Wu, Yi-nan, Kabtamu, Daniel Manaye, Matović, Ljiljana, Zhang, Yanxing, Sun, Xianyi, Schott, Eduardo, Chu, Wenhai, Li, Fengting, "Exploring UiO-66(Zr) frameworks as nanotraps for highly efficient removal of EDTA-complexed heavy metals from water" in Journal of Environmental Chemical Engineering, 9, no. 1 (2021):104932, https://doi.org/10.1016/j.jece.2020.104932 . .