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Preliminary Study Into the Decolorization of Selected Dyes By the Ozone Application

Author

Listed:
  • Gerulová Kristína
  • Sanny Zuzana
  • Kucmanová Alexandra
  • Buranská Eva

    (Slovak university of technology in bratislava, faculty of materials science and technology in trnava, institute of integrated safety, ulica jána bottu 2781/25, 917 24 trnava, Slovak Republic)

Abstract

Synthetic dyes widely used in many kinds of industry affect the colour of wastewater when released to environment due to insufficient treatment in typical sewage treatment plants. Only a small dose of those dyes may significantly affect colour of water and, according to the chemical composition, may pose risks to wildlife and humans. In the research described in this study, decolorization of three various dyes was investigated. Since colour removal of Congo Red such as Methylene blue using ozone have been reported by several authors, and the literature on Naphthol Green B is rather limited, in the present study we compare the decolorization rate of CR, MB and NGB. The colour removal occurred quickly and more than 90% of colour reduction was achieved within 3-6 minutes throughout all tested pH of the solution.

Suggested Citation

  • Gerulová Kristína & Sanny Zuzana & Kucmanová Alexandra & Buranská Eva, 2021. "Preliminary Study Into the Decolorization of Selected Dyes By the Ozone Application," Research Papers Faculty of Materials Science and Technology Slovak University of Technology, Sciendo, vol. 29(48), pages 37-44, June.
    • Handle: RePEc:vrs:repfms:v:29:y:2021:i:48:p:37-44:n:13
    DOI: 10.2478/rput-2021-0003
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    File URL: https://doi.org/10.2478/rput-2021-0003
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    References listed on IDEAS

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    1. Dimitrios Georgiou & Manolis Kalis & George Patermarakis & Alexandros A Vassiliadis, 2017. "Destruction of Azo-Reactive Dyes by Ozonation and the Synergetic Effect of a Radio-Frequency Alternating Electric Field Inductance Device," Current Trends in Fashion Technology & Textile Engineering, Juniper Publishers Inc., vol. 1(2), pages 42-47, November.
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