Professor (Water and Environmental Engineering)   Professor X. Y. LI   BSc (Eng), Tsinghua University, Beijing, China MS (Eng), Tsinghua Unviersity, Beijing, China PhD, the University of Arizona, Tucson, U.S.A.   Office:      HW 6-01 Phone:     +852 28592659 Fax:         +852 25595337 E-mail:     xlia@hkucc.hku.hk Homepage:  http://web.hku.hk/~xlia

 

Teaching Activities

• CIVL 2001 Engineering Design and Communication
• CIVL 3011 Municipal and Industrial Wastewater Treatment
• CIVL 3021 Water Resources Engineering
• CIVL 6034 Municipal Wastewater Treatment
• CIVL 6051 Water Quality Modelling

 

Research Interests

• Particle phenomena: coagulation
• Sedimentation and pollutant-sediment interactions
• Advanced Oxidation Processes (AOP) in water and wastewater treatment and disinfection
• Membrane technology in water and wastewater treatment

 

Representative Research / Consultancy Projects

• Coagulation of screened sewage particulates from marine outfall discharges
• Electrochemical disinfection of saline sewage effluent: mechanisms and pilot study
• Nutrient transformation during the decay of settled algae in the ephemeral sediment after algal blooms
• Sludge granulation in biological wastewater treatment: technology, mechanisms and characterization
• Characterisation of wastewater organic pollutants as the disinfection by-product precursors in surface water resources

 

Representative Publications

1. Li, X.Y., and Yang, S.F. (2006). "Influence of loosely bound extracellular polymeric substances (EPS) on the flocculation, sedimentation and dewaterability of activated sludge." Water Research, 41, 1022-1030.
2. Li, X.Y., and Wang, X.M. (2006). "Modelling of membrane fouling in a submerged membrane bioreactor." J. Membrane Science, 278, 151-161.
3. Wang, Y.H., Chan, K.Y., Li, X.Y., and So, S.K. (2006). "Electrochemical degradation of 4-chlorophenol at nickel-antimony doped tin oxide electrode." Chemosphere, 65, 1087-1093.
4. Li, X.Y., and Leung, R.P.C. (2005). "Determination of the fractal dimension of microbial flocs from the change in their size distribution after breakage." Environmental Science & Technology, 39, 2731-2735.
5. Chu, H.P., and Li, X.Y. (2005). "Membrane fouling in a membrane bioreactor (MBR): sludge cake formation and fouling characteristics." Biotechnology & Bioengineering, 90, 323-331.
6. Li, X.Y., Diao, H.F., Fan, X.J., Gu, J.D., Ding, F., and Tong, A.S.F. (2004). "Electrochemical wastewater disinfection: identification of its principal germicidal actions." J. Environmental Engineering , ASCE, 130, 1217-1221.
7. Li, X.Y., Zhang, J.J., and Lee, J.H.W. (2004). "Modelling particle size distribution dynamics in marine waters." Water Research, 38, 1305-1317.
8. Zhang, J.J., and Li, X.Y. (2003). "Modeling particle size distribution dynamics in a flocculation system." AIChE J., 49, 1870-1882.
9. Li, X.Y., Yuan, Y., and Wang, H.W. (2003). "The hydrodynamics of biological aggregates of different sludge ages: An insight into the mass transport mechanisms of bio-aggregates." Environmental Science & Technology, 37, 292-299.
10. Li, X.Y., and Yuan, Y. (2002). "Collision frequencies of microbial aggregates with small particles by differential sedimentation." Environmental Science & Technology, 36, 387-393.

Others

  More information of Professor X.Y. Li is available at http://web.hku.hk/~xlia and HKU Scholars Hub.