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Selective magnetic GMA based potential sorbents for molybdenum and rhenium sorption

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2017
16_09007_10.1016_j.jallcom.2017.02.108.pdf (8.481Mb)
Authors
Marković, Bojana
Vuković, Zorica
Spasojević, Vojislav
Kusigerski, Vladan B.
Pavlović, Vladimir B.
Onjia, Antonije E.
Nastasović, Aleksandra
Article (Accepted Version)
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Abstract
Magnetic macroporous crosslinked copolymer glycidyl methacrylate (GMA) and ethylene glycol dimethacrylate (EGDMA) samples with different magnetite content were prepared by suspension copolymerization and functionalized with diethylene triamine. Samples were characterized by elemental analysis, mercury porosimetry, Fourier transform infrared spectroscopy (FTIR) analysis, scanning electron microscopy with energy-dispersive X-ray spectroscopy, transmission electron microscopy, SQUID magnetometry and X-ray photoelectron spectroscopy (XPS). The selected amino-functionalized sample was tested as a potential sorbent for the Mo(VI) and Re(VII) oxyanions from aqueous solutions. The influence of pH, ionic strength and possible interfering of cations and anions was investigated. Equilibrium data were analyzed with Langmuir, Freundlich and Tempkin adsorption isotherm models. Sorption studies were carried out in a batch competitive experiments, in the pH range 1-8, at 298 K. Obtained results indica...te that 92% of Re(VII) and 98% of Mo(VI) were sorbed at pH 2.

Keywords:
Magnetic macroporous copolymer / Diethylene triamine / Mo(VI) and Re(VII) sorption
Source:
Journal of Alloys and Compounds, 2017, 705, 38-50
Publisher:
  • Elsevier
Projects:
  • Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden (RS-43009)
  • Magnetic and radionuclide labeled nanostructured materials for medical applications (RS-45015)
  • Synthesis and characterization of novel functional polymers and polymeric nanocomposites (RS-172062)
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)
Note:
  • This is peer-reviewed version of the article: B.M. Marković, Z.M. Vuković, V.V. Spasojević, V.B. Kusigerski, V.B. Pavlović, A.E. Onjia, A.B. Nastasović, Selective magnetic GMA based potential sorbents for molybdenum and rhenium sorption, Journal of Alloys and Compounds, 2017, 705, 38-50, https://dx.doi.org/10.1016/j.jallcom.2017.02.108
  • http://cer.ihtm.bg.ac.rs/handle/123456789/2191

DOI: 10.1016/j.jallcom.2017.02.108

ISSN: 0925-8388

WoS: 000397994700006

Scopus: 2-s2.0-85012965542
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2191
http://cer.ihtm.bg.ac.rs/handle/123456789/3014
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