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Issue 11, 2011
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Occurrence and fate of pharmaceuticals and personal care products in drinking water in southern China

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Abstract

Occurrence and fate of pharmaceuticals and personal care products (PPCPs) in drinking water was investigated in southern China. Fifteen and twelve PPCPs were detected with concentrations of 0–36 ng L−1 in source water and of 0–20 ng L−1 in treated water, respectively. Four PPCPs were detected with concentrations of approximately 1 ng L−1 in drinking water of distribution network. Conventional water treatment processes removed the types and average concentrations of PPCPs by 30% and above 50%, respectively. Advanced water treatment processes were more efficient in the removal of most PPCPs, with the types and concentrations reduced by 50% and approximately 90%, respectively. Molecular properties of PPCPs had an important influence on their behaviors during water treatment. pKa (acidity coefficient) and Koc (organic carbon partition coefficient) of PPCPs appeared to have a combined effect on PPCPs removal during coagulation and oxidation. Adsorption and biodegradation were two possible mechanisms responsible for PPCPs removal during sand filtration.

Graphical abstract: Occurrence and fate of pharmaceuticals and personal care products in drinking water in southern China

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Publication details

The article was received on 13 Apr 2011, accepted on 25 Aug 2011 and first published on 10 Oct 2011


Article type: Paper
DOI: 10.1039/C1EM10318K
J. Environ. Monit., 2011,13, 3097-3103

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    Occurrence and fate of pharmaceuticals and personal care products in drinking water in southern China

    T. Qiao, Z. Yu, X. Zhang and D. W. T. Au, J. Environ. Monit., 2011, 13, 3097
    DOI: 10.1039/C1EM10318K

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