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Jiunn-Jyi Lay

Jiunn-Jyi Lay


  • Professor and Director, Energy Research Center


  • Ph.D. (Civil Engineering), Tohoku University, Japan
  • M.S. (Civil Engineering), Tohoku University, Japan
  • B.S. (Environmental Engineering), National Cheng Kung University
  • Tel:+866-7-601-1000 ext 32323
  • E-Mail: lay@nkust.edu.tw
  • Fax:+866-7-601-1061


  • Associate Professor, Department of Safety, Health and Environmental Engineering, NKFUST
  • Assistant Professor, Department of Safety, Health and Environmental Engineering, NKFUST
  • Research Assistant, Research Center for Anaerobic Technology, Iowa State University, US
  • Research Fellow, Promotion Office, Center for Research and Development Strategy, Japan Science and Technology Agency, Japan


  • Wastewater engineering (collection and treatment system)
  • Water quality and water pollution control
  • Water chemistry
  • Environmental microbiology (including electron microscope operation and management)
  • Solid waste management
  • Water supply and wastewater analysis (including instrumental analysis)
  • Statistics analysis: nonlinear regression analysis, design of experiments, multivariate statistical analysis


  • Lay, J.J., Lee, Y.J., Noike, T. (1999) Feasibility of Biohydrogen Production from Organic Fraction of Municipal Solid Wastes, Water Res., 33(11), 2579-2586,
  • Van Ginkel, S., Sung, S., Lay, J.J. (2001) Biohydrogen Production as a Function of pH and Substrate Concentration, Environ. Sci. Technol., 35(24), 4726-4730.
  • Lay, J.J. (2000) Modeling and optimization of Anaerobic Digested Sludge Converting Hydrogen, Biotech. Bioeng., 68(3), 269-278.
  • Lay, J.J. (2001) Biohydrogen Generation by Mesophilic Anaerobic Fermentation of Microcrystalline Cellulose, Biotech. Bioeng., 74(20), 280-287.
  • Lay, J.J., Fan, K., Hwang, J., Chang, J., Hsu, P. (2005) Factors Affecting Hydrogen Production from Food Wastes by Clostridium-rich Composts, J. Environ. Eng. ASCE, 131(4), 595-603.


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