Electrolytic treatment of trace natural and synthetic estrogens

Vo Huu Cong, yutaka Sakakibara

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    Abstract

    Electrochemical removals of natural and synthetic estrogens, Estrone (E1), 17β-Estradiol (E2) and Ethynylestradiol (EE2), were experimentally studied using granular electrolytic reactor in combination with a cyclic voltammetric technique. Experimental results showed that by an application of electric current, the estrogens were oxidized at 600-800 mV (vs. Ag/AgCl reference electrode) on the surface of anode and then removed through polymerization of estrogens. Moreover, the electrochemical removal of the estrogens could be reasonably well simulated by a mathematical model developed assuming the external liquid-film mass transfer as a rate-limiting step. Furthermore, it was found that E1 was produced and then removed during the treatment of E2. Further study will be needed to quantify and control the electro-polymerization of estrogens.

    Original languageEnglish
    Pages (from-to)115-120
    Number of pages6
    JournalJournal of Advanced Oxidation Technologies
    Volume17
    Issue number1
    Publication statusPublished - 2014 Jan

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    Keywords

    • Cyclic voltammetry
    • Electrochemical oxidation
    • Electrode passivation
    • Environmental hormone
    • Estrogen

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry

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