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Issue 92, 2015
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A simple strategy for monitoring of aromatic degradation in a chloride mediated electrooxidation process

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Abstract

UV-Vis spectroscopy for monitoring of aromatic compound degradation during electrooxidation is completely restricted by OCl/ClO2 produced in the system. The OCl/ClO2 absorbance masks the aromatic compounds absorbance in the UV region (260–350 nm). This study presents a method for the qualitative monitoring of degradation of aromatic compounds which has an absorbance at a UV region (260–350 nm) of the spectrum by simply removing OCl/ClO2 from the solution using sodium meta-bisulfite (SMBS). The strategy was evaluated by monitoring of in situ hypochlorite mediated electrooxidation of real textile effluent. The degradation of aromatic compounds measured by UV-Vis spectrum analysis was supported by fluorescence spectroscopy analysis and HPLC analysis. This method can be a handy tool to monitor the degradation of any organic compounds which has an absorbance in the 250–300 nm region during an advanced electrooxidation process in the presence of chloride.

Graphical abstract: A simple strategy for monitoring of aromatic degradation in a chloride mediated electrooxidation process

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Publication details

The article was received on 14 Jul 2015, accepted on 28 Aug 2015 and first published on 28 Aug 2015


Article type: Paper
DOI: 10.1039/C5RA13794B
RSC Adv., 2015,5, 75528-75532

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    A simple strategy for monitoring of aromatic degradation in a chloride mediated electrooxidation process

    M. Santhanam, S. Annamalai, S. Sudanthiramoorthy and R. Gopalakrishnan, RSC Adv., 2015, 5, 75528
    DOI: 10.1039/C5RA13794B

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