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Reduction of chlorinated hydrocarbons using nano zero-valent iron supported with an electric field. Characterization of electrochemical processes and thermodynamic stability

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24620%2F21%3A00008012" target="_blank" >RIV/46747885:24620/21:00008012 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/21:00120878

  • Result on the web

    <a href="https://doi.org/10.1016/j.chemosphere.2020.128764" target="_blank" >https://doi.org/10.1016/j.chemosphere.2020.128764</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.chemosphere.2020.128764" target="_blank" >10.1016/j.chemosphere.2020.128764</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Reduction of chlorinated hydrocarbons using nano zero-valent iron supported with an electric field. Characterization of electrochemical processes and thermodynamic stability

  • Original language description

    Electric field assisted remediation using nano iron has shown outstanding results as well as economic benefits during pilot applications. This method is based on donating electrons to the zero-valent iron that possess an inherently strong reductive capacity. The reduction of chlorinated hydrocarbons may be characterized by a decrease in contaminants or better still by the evolution of ethene and ethane originating from the reduction of chlorinated ethenes. The evolution of ethene and ethane was observed predominantly in the vicinity of the anode despite reduction processes being expected near the cathode e the electron donor. The reduction near the anode occurred due to dissolved Fe2 ions, whose presence was suggested by a Pourbaix diagram that combines Eh/pH values to characterize electrochemical stabilities between different species. No products of dechlorination were observed in the area of the cathode due to presence of oxidized Fe in the form of Fe3 or Fe(OH)4-. The experimental work described in this research provides a deeper view of the processes of electrochemical reductive dechlorination using zero-valent iron and DC. It also showed an increase in the efficiency compared to the method using zero-valent iron only.

  • 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

    10511 - Environmental sciences (social aspects to be 5.7)

Result continuities

  • Project

    <a href="/en/project/TH03030374" target="_blank" >TH03030374: Advanced real-time controlling and monitoring of remediation technologies (RealControl)</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

    Chemosphere

  • ISSN

    0045-6535

  • e-ISSN

  • Volume of the periodical

    265

  • Issue of the periodical within the volume

    FEB 2021

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    9

  • Pages from-to

  • UT code for WoS article

    000603465000009

  • EID of the result in the Scopus database

    2-s2.0-85095844699