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Mechanisms and efficiency of the simultaneous removal of metals and cyanides by using ferrate(VI): crucial roles of nanocrystalline iron(III)oxyhydroxides and metal carbonates

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F11%3A10105329" target="_blank" >RIV/00216208:11310/11:10105329 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989592:15310/11:33142761

  • Result on the web

    <a href="http://dx.doi.org/10.1002/chem.201100711" target="_blank" >http://dx.doi.org/10.1002/chem.201100711</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/chem.201100711" target="_blank" >10.1002/chem.201100711</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mechanisms and efficiency of the simultaneous removal of metals and cyanides by using ferrate(VI): crucial roles of nanocrystalline iron(III)oxyhydroxides and metal carbonates

  • Original language description

    The reaction of potassium ferrate(VI), K2FeO4, with weak-acid dissociable cyanides-namely, K2[Zn(CN)4], K2[Cd(CN)4], K2[Ni(CN)4], and K3[Cu(CN)4] results in the formation of iron(III) oxyhydroxide nanoparticles that differ in size, crystal structure, andsurface area. During cyanide oxidation and the simultaneous reduction of iron(VI), zinc(II), copper(II), and cadmium(II), metallic ions are almost completely removed from solution due to their coprecipitation with the iron(III) oxyhydroxides including 2-line ferrihydrite, 7-line ferrihydrite, and/or goethite. Based on the results of XRD, Moessbauer and IR spectroscopies, as well as TEM, X-ray photoelectron emission spectroscopy, and Brunauer-Emmett-Teller measurements, we suggest three scavenging mechanisms for the removal of metals including their incorporation into the ferrihydrite crystal structure, the formation of a separate phase, and their adsorption onto the precipitate surface. Zn and Cu are preferentially and almost completel

  • Czech name

  • Czech description

Classification

  • Type

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

  • CEP classification

    CA - Inorganic chemistry

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2011

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Chemistry - A European Journal

  • ISSN

    0947-6539

  • e-ISSN

  • Volume of the periodical

    17

  • Issue of the periodical within the volume

    36

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    9

  • Pages from-to

    10097-10105

  • UT code for WoS article

    000295357800031

  • EID of the result in the Scopus database