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Nonylphenol ethoxylate (NPE 10) is a non ionic surfactant which issynthesized from alkylphenol ethoxylate. The accumulation of NPE-10 inwastewater will endanger the ecosystem as well as human being. At present, byan advancement of technology NPE 10 can be degraded indirectly by using anelectrochemically treatment. Thus, this study aimed to evaluate the potentialelectrodegradation of NPE 10 by mediated electrochemical oxidation (MEO) usingCe(IV) ionic mediator. In addition, the influence of Ag(I) ionic catalyst inthe performance of MEO for degradation of NPE 10 was also observed. The potencyof MEO technology in degradation NPE 10 was evaluated by voltammetry techniqueand confirmed by titrimetry and LC-MS analyses. The results showed that in theabsence of Ag(I) ionic catalyst, the degradation of NPE 10 by MEO was 85.93 %.Furthermore, when the Ag(I) ionic catalyst was applied, the performance of MEOin degradation of NPE 10 was improved to 95.12 %. The back titration usingBa(OH)2 confirmed the formation of CO2 by 46.79 %. Whereas the redox titrationshows the total of degradation organic compounds by 42.50 %, which wasemphasized by formation of two new peaks in LC-MS chromatogram. In summary, ourresults confirm the potential of MEO technology for NPE-10 degradation.

Degradation of Nonylphenol Ethoxylate-10 (NPE-10) by Mediated Electrochemical Oxidation (MEO) Technology