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Synthesis, characterization and study of arsenate adsorption from aqueous solution by ?- and ?- phase manganese dioxide nanoadsorbents

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F10%3A00023494" target="_blank" >RIV/60461373:22340/10:00023494 - isvavai.cz</a>

  • Alternative codes found

    RIV/60461373:22320/10:00023933

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Synthesis, characterization and study of arsenate adsorption from aqueous solution by ?- and ?- phase manganese dioxide nanoadsorbents

  • Original language description

    Single-phase ?-MnO2 nanorods and ?-MnO2 nano-fiber clumps were synthesized using manganese pentahydrate in an aqueous solution. These nanomaterials were characterized using the Transmission Electron Microscope (TEM), Field Emission Scanning Electron Microscope (FE-SEM), Powder X-ray diffraction (XRD) and the Brunauer?Elmet?Teller nitrogen adsorption technique (BET-N2 adsorption). The structural analysis shows that ?-MnO2 (2x2 tunnel structure) has the form of needle-shaped nanorods and ?-MnO2 (2D-layered structure) consists of fine needle-like fibers arranged in ball-like aggregates. Batch adsorption experiments were carried out to determine the effect of pH on adsorption kinetics and adsorption capacity for the removal of As(V) from aqueous solution onto these two types of nanoadsorbents. The adsorption capacity of As(V) was found to be highly pH dependent. The adsorption of As(V) onto ?-MnO2 reached equilibrium more rapidly with higher adsorption capacity compared to

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    R - Projekt Ramcoveho programu EK

Others

  • Publication year

    2010

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Solid State Chemistry

  • ISSN

    0022-4596

  • e-ISSN

  • Volume of the periodical

    183

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    7

  • Pages from-to

  • UT code for WoS article

    000285431100033

  • EID of the result in the Scopus database