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Degradation and detoxification of the 4-chlorophenol by non-thermal plasma-influence of homogeneous catalysts

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2015
Authors
Marković, Marijana
Dojčinović, Biljana
Obradović, Bratislav M.
Nesic, Jelena
Natić, Maja
Tosti, Tomislav
Kuraica, Milorad M.
Manojlović, Dragan
Article (Published version)
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Abstract
Experimental results of non-thermal plasma (NTP) utilization for degradation of 4-chlorphenol (4CP) with screening of toxicity were presented in this study. Degradation of 4CP was tested in the presence of homogeneous catalysts: hydrogen peroxide (H2O2) and iron (II) (Fe2+). The rate of degradation through eight consecutive passes of the 4CP solution in the NTP reactor was considered. Products of degradation as organic acids (acetic, formic or oxalic acid) and chloride were quantified using ion chromatography (IC). Anemia salina was used for the toxicity screening assay in order to estimate the potential and consequences of NTP reactor application in water treatment. The measured concentration of 4CP and degradation products confirmed very efficient removal of these substances from the water during the NTP treatment with the addition of a catalyst. Concerning bioassay, a significant difference in toxicity was determined between initial solution of 4CP in comparison with the solution ex...posed to catalytic NTP treatment.

Keywords:
Advanced oxidation processes (AOP) / 4-Chlorphenol / Dielectric barrier discharge (DBD) / Ecotoxicity / Non-thermal plasma (NTP)
Source:
Separation and Purification Technology, 2015, 154, 246-254
Publisher:
  • Elsevier Science Bv, Amsterdam
Projects:
  • Application of advanced oxidation processes and nanostructured oxide materials for the removal of pollutants from the environment, development and optimisation of instrumental techniques for efficiency monitoring (RS-172030)
  • Simultaneous Bioremediation and Soilification of Degraded Areas to Preserve Natural Resources of Biologically Active Substances, and Development and Production of Biomaterials and Dietetic Products (RS-43004)

DOI: 10.1016/j.seppur.2015.09.030

ISSN: 1383-5866

WoS: 000364245500031

Scopus: 2-s2.0-84942890822
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1821
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