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Highly-efficient removal of Pb(ii), Cu(ii) and Cd(ii) from water by novel lithium, sodium and potassium titanate reusable microrods

  1. 1.
    SYSNO ASEP0522630
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleHighly-efficient removal of Pb(ii), Cu(ii) and Cd(ii) from water by novel lithium, sodium and potassium titanate reusable microrods
    Author(s) Motlochová, Monika (UACH-T) SAI, RID, ORCID
    Slovák, V. (CZ)
    Pližingrová, Eva (UACH-T) SAI, ORCID
    Lidin, S. (SE)
    Šubrt, Jan (UACH-T) SAI, RID
    Number of authors5
    Source TitleRSC Advances. - : Royal Society of Chemistry
    Roč. 10, č. 7 (2020), s. 3694-3704
    Number of pages11 s.
    Languageeng - English
    CountryGB - United Kingdom
    Keywordsheavy-metal ions ; thermal-decomposition ; sorption properties ; aqueous-solution ; nanotubes ; nanoparticles
    Subject RIVCA - Inorganic Chemistry
    OECD categoryInorganic and nuclear chemistry
    R&D ProjectsLM2015073 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    TJ01000154 GA TA ČR - Technology Agency of the Czech Republic (TA ČR)
    Method of publishingOpen access
    Institutional supportUACH-T - RVO:61388980
    UT WOS000509900800008
    EID SCOPUS85078696488
    DOI10.1039/c9ra08737k
    AnnotationIn this work, we report on the efficient removal of heavy metal ions with nanostructured lithium, sodium and potassium titanates from simulated wastewater. The titanates were obtained via a fast, easy and cost effective process based on extraction of sulfate ions from the crystals of titanyl sulfate and their replacement with hydroxyl groups of NaOH, LiOH and KOH solutions leaving the Ti-O framework intact. The as-prepared titanates were carefully examined by scanning and transmission electron microscopy. Furthermore, the effect of contact time, pH, annealing temperature, together with adsorption in real conditions including competitive adsorption and reusability were studied. It was found that the maximum adsorption capacity, as calculated from the Langmuir adsorption model, is up to 3.8 mmol Pb(ii) per g, 3.6 mmol Cu(ii) per g and 2.3 mmol Cd(ii) per g. Based on the characterization results, a possible mechanism for heavy metal removal was proposed. This work provides a very efficient, fast and convenient approach for exploring promising materials for water treatment.
    WorkplaceInstitute of Inorganic Chemistry
    ContactJana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931
    Year of Publishing2021
    Electronic addresshttp://hdl.handle.net/11104/0307096
Number of the records: 1  

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