Lead(II) uptake by aluminium based magnetic framework composites (MFCs) in water

Raffaele Ricco, Kristina Konstas, Mark J. Styles, Joseph J. Richardson, Ravichandar Babarao, Kiyonori Suzuki, Paolo Scopece, Paolo Falcaro

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

The recent combination of Metal-Organic Frameworks (MOFs) and magnetic nanoparticles has shown their potential as a composite material in practical applications including drug delivery, catalysis and pollutant sequestration. Here, we report for the first time the preparation of a robust magnetic nanocomposite material based on an aluminium MOF (MIL-53) and iron oxide nanoparticles for the uptake of lead(ii) ions. Different aminofunctionalized MIL-53 MOFs were prepared by increasing the 2-aminoterephthalic/terephthalic acid ratio. The composite materials were tested to determine the sequestration capability of heavy metals from various solvents (methanol, DMSO and water), pH (2, 7, 12) and a range of Pb(ii) concentrations (10-8000 ppm). The magnetic composite based on MIL-53 showed remarkable capacity to sequester Pb(ii) ions from water (up to 492.4 mg g-1 of composite), the highest recorded for a MOF sorbent system to date. While the MOF played a crucial role in the efficient heavy metal uptake, the magnetic nanoparticles allowed the prompt collection of the sorbent from solution. The triggered release of Pb(ii) was investigated using an alternating magnetic field. The exceptional adsorption capacity and the response to the magnetic field make this class of innovative functional material a promising candidate for environmental remediation technologies.

Originalspracheenglisch
Seiten (von - bis)19822-19831
Seitenumfang10
FachzeitschriftJournal of materials chemistry / A
Jahrgang3
Ausgabenummer39
DOIs
PublikationsstatusVeröffentlicht - 20 Aug 2015
Extern publiziertJa

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Aluminum
Lead
Metals
Water
Composite materials
Heavy Metals
Nanoparticles
Sorbents
Heavy metals
Ions
Magnetic fields
Functional materials
Magnetic materials
Dimethyl Sulfoxide
Drug delivery
Iron oxides
Catalysis
Methanol
Nanocomposites
Adsorption

ASJC Scopus subject areas

  • !!Chemistry(all)
  • !!Renewable Energy, Sustainability and the Environment
  • !!Materials Science(all)

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Lead(II) uptake by aluminium based magnetic framework composites (MFCs) in water. / Ricco, Raffaele; Konstas, Kristina; Styles, Mark J.; Richardson, Joseph J.; Babarao, Ravichandar; Suzuki, Kiyonori; Scopece, Paolo; Falcaro, Paolo.

in: Journal of materials chemistry / A, Jahrgang 3, Nr. 39, 20.08.2015, S. 19822-19831.

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Ricco, R, Konstas, K, Styles, MJ, Richardson, JJ, Babarao, R, Suzuki, K, Scopece, P & Falcaro, P 2015, 'Lead(II) uptake by aluminium based magnetic framework composites (MFCs) in water' Journal of materials chemistry / A, Jg. 3, Nr. 39, S. 19822-19831. https://doi.org/10.1039/c5ta04154f
Ricco, Raffaele ; Konstas, Kristina ; Styles, Mark J. ; Richardson, Joseph J. ; Babarao, Ravichandar ; Suzuki, Kiyonori ; Scopece, Paolo ; Falcaro, Paolo. / Lead(II) uptake by aluminium based magnetic framework composites (MFCs) in water. in: Journal of materials chemistry / A. 2015 ; Jahrgang 3, Nr. 39. S. 19822-19831.
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