Water quality survey in Shenzhen, China for the development of sound water circulation system and its reflection to environmental policy

• Project/Area Number: 24404005
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 海外学術
• Research Field: Environmental impact assessment/Environmental policy
• Research Institution: Kyoto University
• Principal Investigator: MIZUNO TADAO 京都大学, 工学(系)研究科(研究院), 講師 (00422981)
• Co-Investigator(Kenkyū-buntansha): IHARA Masaru 京都大学, 大学院工学研究科, 研究員 (70450202)
• Research Collaborator: YASOJIMA Makoto ; MA Yin
• Project Period (FY): 2012-04-01 – 2015-03-31
• Project Status: Completed (Fiscal Year 2014)
• Budget Amount: ¥17,810,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥4,110,000); Fiscal Year 2014: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000); Fiscal Year 2013: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000); Fiscal Year 2012: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
• Keywords: 最適水循環 / 実態調査 / 環境政策 / 深せん市 / 水質実態調査

Outline of Final Research Achievements

The purpose of this research is to discuss and propose a new water circulation system using reclaimed wastewater as a water resource in Shenzhen, China. A scenario compared the utilization of the reclaimed wastewater inside the city as the water source with a long distance water conveyance from a river, in terms of the amount of the carbon dioxide emission. The use of the reclaimed wastewater produced by a membrane treatment process has some advantage rather than the water conveyance. Although the use of ozonation with the membrane treatment process required more energy, the process is still a promising one because the additional ozonation is able to enhance the quality of water and the use of reclaimed wastewater is able to provide the stable waste resource in quantity and quality.

Research Products

• [Presentation] Development of new water circulation system -A case study in southern China (2014)
  • Author(s): Tadao MIZUNO, Ying MA, and Makoto YASOJIMA
  • Organizer: 4th Comprehensive Symposium, JSPS-Asian Core Program, Research and Education Center for the Risk Based Asian Oriented Integrated Watershed Management
  • Place of Presentation: Johor Darul Takzim, Malaysia
  • Year and Date: 2014-12-03
• [Presentation] Introduction to water issues in southern China (2014)
  • Author(s): Tadao MIZUNO, Ying MA, and Makoto YASOJIMA
  • Organizer: CREST International Symposium on Water Environment in Da Nang and New Approaches forward to 21st Century Type Water Cycle System
  • Place of Presentation: Da Nang, Viet Nam
  • Year and Date: 2014-11-14