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Experimental verification of regenerable magnetically modified montmorillonite and its application for heavy metals removal from metallurgical waste leachates

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F21%3A10246250" target="_blank" >RIV/61989100:27640/21:10246250 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989100:27730/21:10246250 RIV/61989100:27740/21:10246250

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S2214714420305699" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2214714420305699</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.jwpe.2020.101691" target="_blank" >10.1016/j.jwpe.2020.101691</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Experimental verification of regenerable magnetically modified montmorillonite and its application for heavy metals removal from metallurgical waste leachates

  • Original language description

    Using magnetic sorbents to pollutants eliminations seem to be an efficient, easy to apply and low-cost technique. However, the majority of studies focus on the study of sorption properties using model solutions and research on actual wastewater is largely missing. Therefore, this study aims to assess the application of magnetically modified montmorillonite (MMt) to eliminate Zn(II), Cd(II) and Pb(II) cations from metallurgical waste leachates. First, model solutions were prepared to describe the properties of MMt, sorption kinetic and isotherm models. The determined elimination efficiency was higher than 98 %. The qmax values were - in model solutions - determined to be 34.3, 2.84 and 7.25 mg/g for Zn(II), Cd(II) and Pb(II), respectively. Then, the MMt was applied in order to eliminate of Zn(II), Cd(II) and Pb(II) ions from actual metallurgical waste leachates. The experimental data obtained from the metallurgical waste leachates corresponded with the data obtained from the model solutions. The equilibrium metal uptake capacities obtained by heavy metals adsorption from model solution and metallurgical waste leachates followed the order: Zn(II) &gt; Pb(II) &gt; Cd(II) for dust leachates and Zn(II) &gt; Cd(II) &gt; Pb(II) for converter sludge leachates, which directly corresponds with the heavy metal ions concentration in the leachates. Moreover, the elimination of Zn(II), Cd(II) and Pb(II) by MMt was higher than 98 % even in the fifth recycling experiment cycle. After the sorption, the sorbent was still magnetically active, facilitating its removal from the solution. MMt proved to be an efficient and regenerable sorbent, applicable for wastewater treatment. (C) 2020

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20700 - Environmental engineering

Result continuities

  • Project

    <a href="/en/project/EF17_048%2F0007399" target="_blank" >EF17_048/0007399: New Composite Materials for Environmental Applications</a><br>

  • Continuities

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

Others

  • Publication year

    2021

  • 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 Water Process Engineering

  • ISSN

    2214-7144

  • e-ISSN

  • Volume of the periodical

    39

  • Issue of the periodical within the volume

    101691

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    10

  • Pages from-to

  • UT code for WoS article

    000608973800001

  • EID of the result in the Scopus database

    2-s2.0-85092460531