Arsenic adsorption on cobalt and manganese ferrite nanoparticles
| Autor: | O.F. Mijangos-Ricardez, C. Patiño-Carachure, J. López-Luna, Sergio Martínez-Vargas, Elias E. Hernández-Beteta, Homero Hernandez-Flores, Arturo I. Martinez, V. Vázquez-Hipólito |
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| Rok vydání: | 2017 |
| Předmět: |
inorganic chemicals
Materials science Nanoparticle chemistry.chemical_element 02 engineering and technology 010501 environmental sciences engineering.material 01 natural sciences Adsorption Ferrimagnetism mental disorders General Materials Science health care economics and organizations Arsenic 0105 earth and related environmental sciences Mechanical Engineering Metallurgy Spinel technology industry and agriculture respiratory system 021001 nanoscience & nanotechnology chemistry Mechanics of Materials engineering Ferrite (magnet) 0210 nano-technology Cobalt Superparamagnetism Nuclear chemistry |
| Zdroj: | Journal of Materials Science. 52:6205-6215 |
| ISSN: | 1573-4803 0022-2461 |
| DOI: | 10.1007/s10853-017-0852-9 |
| Popis: | The adsorption of As(III) on cobalt and manganese ferrite nanoparticles (NPs) was studied. The ferrite NPs were synthesized using the Massart-assisted microwave hydrothermal treatment. All the NPs exhibited the spinel structure with a formula such as M x Fe3−x O4, where M = Co or Mn, and x runs from 0.21 to 1.14. The changes in the stoichiometry caused different effects on the physical properties as well on the As(III) adsorption capacity of the NPs. The adsorption data were fitted in very good agreement with the Freundlich model. It was concluded that As(III) was better attracted to ferrimagnetic cobalt ferrite NPs, given that the arsenic removal was significantly higher than that exhibited by superparamagnetic manganese-substituted ferrite NPs. |
| Databáze: | OpenAIRE |
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