Chemical nature of dissolved organic nitrogen as the precursors of chlorination byproducts

• Project/Area Number: 20760360
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Civil and environmental engineering
• Research Institution: Kyoto University
• Principal Investigator: ECHIGO Shinya Kyoto University, 大学院・地球環境学堂, 准教授 (70359777)
• Project Period (FY): 2008 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2009: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000); Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
• Keywords: 消毒副生成物 / 溶存有機物 / 有機窒素 / 分画 / アミノ酸

Research Abstract

Source water of drinking water was characterized with a comprehensive fractionation method. Hydrophilic and transphilic fractions were found to be major precursors of disinfection byproducts regardless the presence of nitrogen in the target disinfection byproducts, and basic fractions were minor contributors.

Research Products

• [Presentation] Fate of Amino Acids in Drinking Water Treatment Process (2009)
  • Author(s): Yusuke Aoki, Shinya Echigo, Yumiko Ohkouchi, Sadahiko Itoh
  • Organizer: Proccedings of 6th Netherlands-Japan Workshop on Water Technology 2009
  • Place of Presentation: 京都大学(京都市)
  • Year and Date: 2009-10-14
• [Presentation] Fate of Amino Acids in Drinking Water Treatment Process (2009)
  • Author(s): Yusuke Aoki, Shinya Echigo, Yumiko Ohkouchi, Sadahiko Itoh
  • Organizer: 6th Netherlands-Japan Workshop on Water Technology
  • Place of Presentation: 京都大学(京都市)
  • Year and Date: 2009-10-14
• [Presentation] ハロ酢酸生成能からみた親水性溶存有機物の重要性 (2008)
  • Author(s): 徐育子, 越後信哉, 伊藤禎彦, 古澤彰太
  • Organizer: 第59回全国水道研究発表会
  • Place of Presentation: 仙台市
  • Year and Date: 2008-05-29
• [Book] 水の消毒副生成物 (2008)
  • Author(s): 伊藤禎彦, 越後信哉
  • Total Pages: 325
  • Publisher: 技報堂出版