Experiences

• 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

Specialization

• 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

Publications

• 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.