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Removal of Endocrine Disruptors and Other Pharmaceutical Residuals in Wastewater by a Breakthrough Electrochemical Process

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Abstract:

The contamination of the water environment with pharmaceutical and personal care product residuals (PPCPs) and other trace organics is of growing concern. These compounds are not effectively removed by conventional wastewater treatment. The BioIonix electrochemical process evaluated herein was shown to effectively remove PPCPs, including endocrine disrupting compounds, while simultaneously disinfecting pathogenic bacteria. Bisphenol-A, 17-α-ethinylestradiol and other trace organics were completely removed at bacteria log kill rates of 2.5 in electrochemical cells consisting of parallel ceramic catalytic plates operating with a proprietary hybrid AC power supply. The trace organics removal results correlated well with the total coliform disinfection data. With the BioIonix process, inexpensive disinfection test results may serve as a reasonable proxy for PPCP removal efficacy.

Keywords: bisphenol-A; electrochemical treatment; endocrine disruptor; estrogen removal; pharmaceutical removal; trace organics; triclosan; wastewater disinfection

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864709793957797

Publication date: January 1, 2009

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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