Behavior of Polyfluoroalkyl Phosphate Esters in Wastewater Treatment Plants and Estimation of Inflow Load Contributed by Cosmetics

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  • YUKIOKA Satoru
    Graduate School of Global Environmental Studies, Kyoto University
  • TANAKA Shuhei
    Graduate School of Global Environmental Studies, Kyoto University
  • SUZUKI Yuji
    Graduate School of Global Environmental Studies, Kyoto University
  • ZENG Chenghui
    Graduate School of Engineering, Kyoto University
  • KITAO Ryota
    Graduate School of Engineering, Kyoto University
  • NAKADA Masatoshi
    Graduate School of Global Environmental Studies, Kyoto University
  • FUJII Shigeo
    Graduate School of Global Environmental Studies, Kyoto University

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  • 化粧品由来のポリフルオロアルキルリン酸エステル類の下水処理場における挙動および流入負荷量の推定
  • ケショウヒン ユライ ノ ポリフルオロアルキルリンサン エステルルイ ノ ゲスイ ショリジョウ ニ オケル キョドウ オヨビ リュウニュウ フカリョウ ノ スイテイ

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<p>The main objectives of this study were to investigate 1) the occurrence of polyfluoroalkyl phosphate esters (PAPs) in cosmetics and 2) the behavior of PAPs in wastewater treatment plants (WWTPs) and 3) to estimate of the inflow load contributed by cosmetics. Cosmetic samples (n =23) were purchased in Japan and other countries, and field surveys in WWTPs (n =5) were conducted in August 2016. The total concentration of three types of diPAPs (6:2diPAP, 6:2/8:2diPAP, 8:2diPAP) detected in cosmetics were in the range of 1,030 to 58,500,000 ng g-wet-1. Fourteen diPAPs were detected in cosmetic samples by liquid chromatography mass spectrometry (LC-MS/MS) . The concentrations of the three diPAPs were 479 ng L-1 in primary sedimentation tank sludge, 123 ng L-1 in biological reaction tank effluent, and 269 ng L-1 in return sludge. The total mass of the three diPAPs decreased in the biological reaction tank. The inflow load contributed by cosmetics was estimated from information on amount to use and population. The inflow load of Σ3 diPAPs ranged from 67 to 1,180 mg day-1, which contributed 14±2% of the total load. The findings reported in this study suggested that special attention should be paid to the above kinds of new emerging pollutants.</p>

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