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Silica-Based Magnetic Nanocomposites for Methylene Blue Removal from Wastewater

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F18%3A63521341" target="_blank" >RIV/70883521:28610/18:63521341 - isvavai.cz</a>

  • Result on the web

    <a href="http://cps.utb.cz/images/aktuality/Sborn%C3%ADk_PLASTKO_2018.pdf" target="_blank" >http://cps.utb.cz/images/aktuality/Sborn%C3%ADk_PLASTKO_2018.pdf</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Silica-Based Magnetic Nanocomposites for Methylene Blue Removal from Wastewater

  • Original language description

    In recent years, magnetic nanocomposites have gained a considerable amount of attention for the removal of dyes from wastewater through chemical oxidation, biodegradation, membrane separation, electrochemical processes, etc. The classical adsorption method is widely used for the removal of dye. Silica-based magnetic nanocomposites have attracted much attention in the removal of dyes from aqueous solution among the extensive range of natural and synthetic adsorbents. Magnetic separation including adsorption method is a promising and costeffective method in wastewater treatment due to its efficiency in the removal of dyes. Magnetite-silica (Mag-Si) and Magnetite-Silica-Chitosan nanocomposites (Mag-Si-Cs) were successfully synthesized by co-precipitation synthesis and coated with TEOS to prevent particles aggregation. The Mag-Si composites were successfully impregnated with chitosan to form Mag-Si-Cs nanocomposites. Structural analysis of the nanocomposites was performed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Whereas, X-ray diffraction (XRD) and Fourier-transform infrared spectroscopy (FTIR) revealed magnetite phase and compositional analysis (organic-inorganic). Magnetic properties of the nanocomposites were investigated using vibrating sample magnetometer (VSM). An impact of time, pH and concentration of the dye on the removal efficiency were analysed precisely to understand the reaction mechanism. The removal efficiencies depend on the thickness of the coating. In conclusion, Mag-Si and Mag-Si-Cs adsorbents act as a potential claimant for environmental applications, i.e., water recovery from MethB, by precise pH management.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

  • OECD FORD branch

    21001 - Nano-materials (production and properties)

Result continuities

  • Project

    <a href="/en/project/LO1504" target="_blank" >LO1504: Centre of Polymer Systems Plus</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů