Comparative study between Japan and the UK on pollution due to estrogens in the river environment and its countermeasures

2008 Fiscal Year Final Research Report

• Project/Area Number: 19404004
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 海外学術
• Research Field: Environmental impact assessment/Environmental policy
• Research Institution: Kyoto University
• Principal Investigator: TANAKA Hiroaki Kyoto University, 大学院・工学研究科, 教授 (70344017)
• Co-Investigator(Kenkyū-buntansha): YAMASHITA Naoyuki 京都大学, 大学院・工学研究科, 講師 (90391614) ; YOSHITANI Junichi 独立行政法人土木研究所, ユネスコセンター, 上席研究員 (90355834)
• Co-Investigator(Renkei-kenkyūsha): NAKADA Norihide 京都大学, 大学院・工学研究科, 助教 (00391615) ; YASOJIMA Makoto 京都大学, 大学院・工学研究科, 特定准教授 (10541021)
• Project Period (FY): 2007 – 2008
• Keywords: エストロゲン / 下水処理場 / 魚類雌性化 / 河川 / 流域管理 / 遊離体 / 抱合体 / 合流式下水道

Research Abstract

遊離体と抱合体のエストロゲンの前処理を簡易化し、回収率を大幅に改善させる分析法を開発した。2008年1月と9月の降雨時期に 英国テムズ川流域で調査を行った結果、E2 やグルンクロン酸抱合体のエストロゲンが放流水や河川水で検出され、合流式下水道越流水の影響が無視できないことが明らかとなった。また我国で検出されないEE2 が流入下水や下水処理水で検出された。グルクロン酸抱合体よりも硫酸抱合体が、またE2 やE1 よりもEE2 は分解が遅いことが実験で明らかとなった。

Research Products

• [Journal Article] Estrogen Content and Relative Performance of Japanese and British Sewage Treatment Plants and their Potential Impact on Endocrine Disruption (2007)
  • Author(s): A. Johnson, H. Tanaka, Y. Okayasu, Y. Suzuki
  • Journal Title: Environment Sciences 14 14(5-6) Pages: 319-329
  • Peer Reviewed
• [Presentation] Free and Conjugated Estrogens: An analytical approach for quantification and their fate in the wastewater treatment plants (2009)
  • Author(s): V. K. Hatwal, A. Johnson, N. Nakada, N. Yamashita, M. Yasojima, H. Tanaka
  • Organizer: Proceedings of 2nd Symposium on Study on Monitoring, Assessment and Treatment Technologies for Reduction of Risk Caused by Water Reuse
  • Place of Presentation: Kyoto(pp 96)
  • Year and Date: 2009-01-13
• [Presentation] Free and Conjugated Estrogen Concentrations in UK and Japan: A comparative study (2008)
  • Author(s): V. K. Hatwal, N. Nakada, N. Yamashita, M. Yasojima, H. Tanaka, A. Johnson
  • Organizer: The 11th Annual Meeting of Japan Society of Endocrine Disrupters
  • Place of Presentation: Ohmiya(Japan)(pp 82)
  • Year and Date: 2008-12-13
• [Presentation] Evaluation on Effects of Reducing Estrogenic Activity in Sewage (2008)
  • Author(s): Hiroaki TANAKA, Yutaka SUZUKI,Andrew JOHNSON
  • Organizer: Proceedings of the 9^<th> UK-Japan Annual Scientific Workshop on Research into Environmental Endocrine Disrupting Chemicals
  • Place of Presentation: Bovey Castle(UK)
  • Year and Date: 2008-10-05
• [Presentation] Analysis method development for conjugated estrogen and their natural concentration in wastewater treatment plants (WWTPs) (2008)
  • Author(s): V. K. Hatwal, M. Yasojima, T. Okuda, N. Yamashita, H. Tanaka
  • Organizer: Environmental &amp; Sanitary Engineering Research
  • Place of Presentation: Kyoto(Vol. 22, No 3, pp 104-107)
  • Year and Date: 2008-07-31
• [Presentation] Development of new analytical method for free and conjugated estrogen (2008)
  • Author(s): V. K. Hatwal, M. Yasojima, T. Okuda, N. Yamashita and H. Tanaka
  • Organizer: 17th Symposium on Environmental Chemistry
  • Place of Presentation: Kobe(pp.202-203)
  • Year and Date: 2008-06-11
• [Presentation] 水試料に含まれるエストロゲン抱合体の安定性 (2008)
  • Author(s): V. K. Hatwal、田中宏明、八十島誠、大井悦雅、高菅卓三
  • Organizer: 第17回環境化学討論会
  • Place of Presentation: 神戸(p.204-205)
  • Year and Date: 2008-06-11
• [Presentation] Multiple evaluation of urban water quality in comparison with nationwide distribution of river water qualitiesa (2007)
  • Author(s): Y. Suzuki, A. Harada, N. Nakada, K. Kitamura, N. Yamashita, H. Tanaka, N. Sato, M. Ito, T. Komatsu, H. Shinohara, M. Murakami, H. Takada and H. Furumai
  • Organizer: Proceedings of 2nd International Workshop on Rainwater and Reclaimed Water for Sustainable Water Use
  • Place of Presentation: Kyoto(69-74)
  • Year and Date: 20070000
• [Presentation] The Estrogenic Content and Relative Performance of Japanese and British Sewage Treatment Plants and Their Potential Impact on Endocrine Disruption (2007)
  • Author(s): A. Johnson, H. Tanaka, Y. Okayasu and Y. Suzuki
  • Organizer: Proceedings of the 9^<th> UK-Japan Annual Scientific Workshop on Research into Environmental Endocrine Disrupting Chemicals
  • Place of Presentation: Hayama(Japan)
  • Year and Date: 2007-10-24
• [Presentation] Estrogenic Pollution in the Yodo River System,Japan (2007)
  • Author(s): H. Tanaka, V. K. Hatwal, H. Sugishita and N. Yamashita
  • Organizer: Proceedings of the 9^<th> UK-Japan Annual Scientific Workshop on Research into Environmental Endocrine Disrupting Chemicals
  • Place of Presentation: Hayama(Japan)
  • Year and Date: 2007-10-24
• [Presentation] Estrogenic Pollution in the Yodo River System, Japan (2007)
  • Author(s): H. Tanaka, R. Nagao, N. Yamashita, T. Miyazaki, M. Sueoka and T. Ohiwa
  • Organizer: Proceedings of Micropol &amp; Ecohazard 2007, Proceedings of the 5^<th> IWA Specialized Conference on Assessment and Control of Micropollutants /Hazardous Substances in Water
  • Place of Presentation: Frankfurt(Germany)(443)
  • Year and Date: 2007-06-17
• [Presentation] Evaluation of reclaimed water in comparison with nationwide distribution of river water qualities (2007)
  • Author(s): A. Harada, N. Nakada K. Kitamura, Y. Suzuki, N. Sato, M. Ito, N. Yamashita and H. Tanaka
  • Organizer: Proceedings of 2nd International Workshop on Rainwater and Reclaimed Water for Sustainable Water Use
  • Place of Presentation: Kyoto(157-158)
  • Year and Date: 2007-06-12
• [Presentation] Evaluation of reclaimed water in terms of biological effects with multiple bioassay methods (2007)
  • Author(s): A. Harada, N. Nakada, K. Kitamura, Y. Suzuki, N. Sato, M. Ito, N. Yamashita, H. Tanaka
  • Organizer: Proceedings of 2nd International Workshop on Rainwater and Reclaimed Water for Sustainable Water Use
  • Place of Presentation: Kyoto(159-160)
  • Year and Date: 2007-06-12
• [Presentation] 都市水循 環システム構築のための水質リスクの多面的評価 (2007)
  • Author(s): 田中宏明, 山下尚之, 鈴木穣, 原田新, 中田典秀, 北村清明, 佐藤修之, 伊藤光明, 小松俊哉, 篠原裕之, 村上道夫, 高田秀重, 古米弘明
  • Organizer: 第2回持続可能な都市水利用のための雨水と再生水に関する国際ワークショップ講演要旨集
  • Place of Presentation: 京都(243-244)
  • Year and Date: 2007-06-12
• [Presentation] New Challenge of Municipal Wastewater Treatment for Supporting Sound Water Cycle (2007)
  • Author(s): H. Tanaka
  • Organizer: Proceedings of The 2007 Environmental Societies Joint Conference, Korea-Japan Special Symposium
  • Place of Presentation: Bussan(Korea)(60-71)
  • Year and Date: 2007-05-03
• [Book] バイオアッセイ・内分泌撹乱物質と河川生態, 川の技術のフロント (2007)
  • Author(s): 田中宏明
  • Total Pages: 62-63
  • Publisher: 河川環境管理財団編,技報堂出版