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    Rights statement: This is the author’s version of a work that was accepted for publication in Journal of Hazardous Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Hazardous Materials, 398, 2020 DOI: 10.1016/j.jhazmat.2020.122940

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Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites

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Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites. / Arancibia-Miranda, Nicolás; Manquián-Cerda, Karen; Pizarro, Carmen; Maldonado, Tamara; Suazo-Hernández, Jonathan; Escudey, Mauricio; Bolan, Nanthi S; Sarkar, Binoy.

In: Journal of Hazardous Materials, Vol. 398, 122940, 05.11.2020.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Arancibia-Miranda, N, Manquián-Cerda, K, Pizarro, C, Maldonado, T, Suazo-Hernández, J, Escudey, M, Bolan, NS & Sarkar, B 2020, 'Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites', Journal of Hazardous Materials, vol. 398, 122940. https://doi.org/10.1016/j.jhazmat.2020.122940

APA

Arancibia-Miranda, N., Manquián-Cerda, K., Pizarro, C., Maldonado, T., Suazo-Hernández, J., Escudey, M., Bolan, N. S., & Sarkar, B. (2020). Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites. Journal of Hazardous Materials, 398, [122940]. https://doi.org/10.1016/j.jhazmat.2020.122940

Vancouver

Arancibia-Miranda N, Manquián-Cerda K, Pizarro C, Maldonado T, Suazo-Hernández J, Escudey M et al. Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites. Journal of Hazardous Materials. 2020 Nov 5;398. 122940. https://doi.org/10.1016/j.jhazmat.2020.122940

Author

Arancibia-Miranda, Nicolás ; Manquián-Cerda, Karen ; Pizarro, Carmen ; Maldonado, Tamara ; Suazo-Hernández, Jonathan ; Escudey, Mauricio ; Bolan, Nanthi S ; Sarkar, Binoy. / Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites. In: Journal of Hazardous Materials. 2020 ; Vol. 398.

Bibtex

@article{547e945e2d884ca5b3a3ef2101e821ba,
title = "Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites",
abstract = "Imogolite and magnetic imogolite-Fe oxide nanocomposites (Imo-Fe50 and Imo-Fe25, at 50 and 25 % Fe loading (w/w), respectively) were synthesized and tested for the removal of aqueous copper (Cu), cadmium (Cd), and arsenic (As) pollutants. The materials were characterized by transmission electron microscopy, and specific surface area and isoelectric point measurements. The Fe-containing samples were additionally characterized by M{\"o}ssbauer spectroscopy and vibrating-sample magnetometry. Significant differences were found in the morphological, electrophoretic, and magnetic characteristics between imogolite and the nanocomposites. The in-situ Fe-oxide precipitation process modified the active surface sites of the imogolite. The Fe–oxide, mainly magnetite, favored the contaminants{\textquoteright} adsorption over the pristine imogolite. The adsorption kinetics of these pollutants were adequately described by the pseudo-second order and intraparticle diffusion models. The kinetic models showed that surface adsorption was more important than intraparticle diffusion in the removal of the pollutants by all the adsorbents. The Langmuir-Freundlich model described the experimental adsorption data, and both nanocomposites showed greater adsorption capacity than the imogolite. The adsorption of Cu and Cd was sensitive to cationic competition, showing a decrease of the adsorption capacity when the two cations coexisted, while their adsorption increased in the presence of arsenate.",
keywords = "Adsorption, Imogolite, Nanocomposite, Trace elements, Water treatment",
author = "Nicol{\'a}s Arancibia-Miranda and Karen Manqui{\'a}n-Cerda and Carmen Pizarro and Tamara Maldonado and Jonathan Suazo-Hern{\'a}ndez and Mauricio Escudey and Bolan, {Nanthi S} and Binoy Sarkar",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Journal of Hazardous Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Hazardous Materials, 398, 2020 DOI: 10.1016/j.jhazmat.2020.122940",
year = "2020",
month = nov,
day = "5",
doi = "10.1016/j.jhazmat.2020.122940",
language = "English",
volume = "398",
journal = "Journal of Hazardous Materials",
issn = "0304-3894",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Mechanistic insights into simultaneous removal of copper, cadmium and arsenic from water by iron oxide-functionalized magnetic imogolite nanocomposites

AU - Arancibia-Miranda, Nicolás

AU - Manquián-Cerda, Karen

AU - Pizarro, Carmen

AU - Maldonado, Tamara

AU - Suazo-Hernández, Jonathan

AU - Escudey, Mauricio

AU - Bolan, Nanthi S

AU - Sarkar, Binoy

N1 - This is the author’s version of a work that was accepted for publication in Journal of Hazardous Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Hazardous Materials, 398, 2020 DOI: 10.1016/j.jhazmat.2020.122940

PY - 2020/11/5

Y1 - 2020/11/5

N2 - Imogolite and magnetic imogolite-Fe oxide nanocomposites (Imo-Fe50 and Imo-Fe25, at 50 and 25 % Fe loading (w/w), respectively) were synthesized and tested for the removal of aqueous copper (Cu), cadmium (Cd), and arsenic (As) pollutants. The materials were characterized by transmission electron microscopy, and specific surface area and isoelectric point measurements. The Fe-containing samples were additionally characterized by Mössbauer spectroscopy and vibrating-sample magnetometry. Significant differences were found in the morphological, electrophoretic, and magnetic characteristics between imogolite and the nanocomposites. The in-situ Fe-oxide precipitation process modified the active surface sites of the imogolite. The Fe–oxide, mainly magnetite, favored the contaminants’ adsorption over the pristine imogolite. The adsorption kinetics of these pollutants were adequately described by the pseudo-second order and intraparticle diffusion models. The kinetic models showed that surface adsorption was more important than intraparticle diffusion in the removal of the pollutants by all the adsorbents. The Langmuir-Freundlich model described the experimental adsorption data, and both nanocomposites showed greater adsorption capacity than the imogolite. The adsorption of Cu and Cd was sensitive to cationic competition, showing a decrease of the adsorption capacity when the two cations coexisted, while their adsorption increased in the presence of arsenate.

AB - Imogolite and magnetic imogolite-Fe oxide nanocomposites (Imo-Fe50 and Imo-Fe25, at 50 and 25 % Fe loading (w/w), respectively) were synthesized and tested for the removal of aqueous copper (Cu), cadmium (Cd), and arsenic (As) pollutants. The materials were characterized by transmission electron microscopy, and specific surface area and isoelectric point measurements. The Fe-containing samples were additionally characterized by Mössbauer spectroscopy and vibrating-sample magnetometry. Significant differences were found in the morphological, electrophoretic, and magnetic characteristics between imogolite and the nanocomposites. The in-situ Fe-oxide precipitation process modified the active surface sites of the imogolite. The Fe–oxide, mainly magnetite, favored the contaminants’ adsorption over the pristine imogolite. The adsorption kinetics of these pollutants were adequately described by the pseudo-second order and intraparticle diffusion models. The kinetic models showed that surface adsorption was more important than intraparticle diffusion in the removal of the pollutants by all the adsorbents. The Langmuir-Freundlich model described the experimental adsorption data, and both nanocomposites showed greater adsorption capacity than the imogolite. The adsorption of Cu and Cd was sensitive to cationic competition, showing a decrease of the adsorption capacity when the two cations coexisted, while their adsorption increased in the presence of arsenate.

KW - Adsorption

KW - Imogolite

KW - Nanocomposite

KW - Trace elements

KW - Water treatment

U2 - 10.1016/j.jhazmat.2020.122940

DO - 10.1016/j.jhazmat.2020.122940

M3 - Journal article

VL - 398

JO - Journal of Hazardous Materials

JF - Journal of Hazardous Materials

SN - 0304-3894

M1 - 122940

ER -