Selective Photocatalytic Oxidation of Steroid Estrogens in the Presence of Copollutants in  the Sanitary Fraction of Domestic Sewage

Karpova, Tatyana; Preis, Sergei; Kallas, Juha

doi:https://doi.org/10.1155/2007/53853

International Journal of Photoenergy

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Research Article | Open Access

Volume 2007 | Article ID 053853 | https://doi.org/10.1155/2007/53853

Selective Photocatalytic Oxidation of Steroid Estrogens in the Presence of Copollutants in the Sanitary Fraction of Domestic Sewage

Tatyana Karpova,¹Sergei Preis,¹and Juha Kallas¹

Academic Editor: Leonardo Palmisano

Received21 Feb 2007

Revised22 May 2007

Accepted05 Jun 2007

Published25 Jun 2007

Abstract

The photocatalytic oxidation (PCO) of the steroid estrogens (SEs), β-estradiol, and 17α-ethynylestradiol, competitive with some constituent compounds of the sanitary fraction of domestic sewage, was studied. The copollutants, urea, and saccharose, present in concentrations exceeding those of the SEs by a factor of a hundred to thousands, appeared to exert a weaker influence to the photocatalytic degradation of the SEs than was expected. The removal of the SEs from diluted urine proceeded, selectively, demonstrating the potential of PCO in the treatment of the separate sanitary fraction of domestic sewage.

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Copyright © 2007 Tatyana Karpova et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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