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Electrolytic Treatment of Trace Natural and Synthetic Estrogens
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Vo Huu Cong
Published/Copyright:
November 30, 2016
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.
Keywords : environmental hormone; estrogen; electrochemical oxidation; electrode passivation; cyclic voltammetry
Received: 2013-10-9
Revised: 2013-11-29
Accepted: 2013-12-16
Published Online: 2016-11-30
Published in Print: 2014-1-1
© 2016 by Walter de Gruyter Berlin/Boston
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Keywords for this article
environmental hormone;
estrogen;
electrochemical oxidation;
electrode passivation;
cyclic voltammetry
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