Prof.T. Zhong

Chair Professor (Water and Environmental Engineering)
Ir Professor Tong ZHANG

BSc, Nanjing University, China
MPhil, Nanjing University, China
PhD, The University of Hong Kong, China



Office: HW 6-31
Phone: +852 2857 8551
Fax: +852 2559 5337


Teaching Activities
  • CCCH9036 Environmental Pollution in China
  • CIME2101 Water and Air Quality: Concepts and Measurements
  • CIVL3107 Environmental Impact Assessment of Civil Engineering Projects
  • CIVL6006 Advanced Water and Wastewater Treatment
  • CIVL6023 Environmental Chemistry
  • CIVL6025 Environmental Impact Assessment of Engineering Projects
  • ENVM7014 Environmental Quality Management


Research Interests
  • Wastewater engineering and biological treatment
  • Anaerobic digestion
  • Environmental microbiology and biotechnology
  • Environmental bioinformatics
  • Environmental toxicology related to wastewater treatment


Representative Research / Consultancy Projects
    GRF (General Research Fund)
  • Polyphosphate-accumulating organisms in enhanced biological phosphorus removal process: new insights from metagenomics and metatranscriptomics approaches. 2016-2018. 172057/15E. Supported by Hong Kong GRF (RGC). HK$695,788. (ongoing)
  • Exploring core keystone populations in activated sludge using network analysis based on next generation sequencing. 2015-2017. 172099/14E. Supported by Hong Kong GRF (RGC). HK$ 500, 000. (ongoing)
  • Exploring biodegradation pathway and associated genes for emerging pollutants using high-resolution LC-QToF-MS and high-throughput sequencing. 2013-2015. 7190/12E. Supported by Hong Kong GRF (RGC). HK$ 700,000. (ongoing)
  • Fates of antibiotics resistant bacteria and genes in sewage treatment plants. 2012-2014. 7201/11E. Supported by Hong Kong GRF (RGC). HK$ 1,095,720. (Completed)
  • Removal mechanisms of personal care products in activated sludge and anaerobic digestion processes. 2011-2013. 7198/10E. Supported by Hong Kong GRF (RGC). HK$1,028, 213. (Completed)
  • Biodegradation/biotransformation and adsorption of antibiotics in sewage and sludge treatment processes. 2010-2012. 7202/09E. Supported by Hong Kong GRF (RGC). HK$ 1,111,200. (Completed)
  • Partial nitrification from ammonia to nitrite by enriched ammonia-oxidizing Archaea in sewage. 2009-2011. 7197/08E. Supported by Hong Kong GRF (RGC). HK$ 861,203. (Completed)
  • Microbial diversity and characteristics of activated sludge treating Hong Kong's saline sewage. 2007-2009. HKU 7195/06E. Supported by Hong Kong GRF (RGC). HK$ 864,300. (Completed)
  • ITF (Innovation and Technology Fund)
  • The study of anaerobic biohydrogen production technology from cellulose-containing biomass material and application. 2013-2015. GHP/015/11SZ. Supported by ITF (Innovation and Technology Fund). HK$ 880,720. (ongoing)
  • Develop diagnostic platform for important microbial groups in biological municipal wastewater treatment using next generation sequencing. 2013-2015. ITS/304/12. Supported by ITF (Innovation and Technology Fund). HK$ 959,900. (Completed)
  • ECF (Environment and Conservation Fund)
  • Exploring microbial diversity and antibiotic resistant genes of Hong Kong marine sediment using advanced molecular techniques. 2014-2015. ECF Project 30/2012. Supported by ECF (Environment and Conservation Fund). HK$ 494,760. (Completed)
  • Quantification of antibiotic residues and microbial antibiotic-resistant genes in fishponds and marine culture zones of Hong Kong. 2010-2011. ECF Project 35/2009. Supported by ECF (Environment and Conservation Fund). HK$ 499, 880. (Completed)


10 Selected Representative Publications
  • Ju F, Zhang T*. 2015. Experimental design and bioinformatics analysis for the application of metagenomics in environmental sciences and biotechnology, Environmental Science and Technology, 49(21), 12628-40.
  • Li B, Yang Y, Ma LP, Ju F, Guo F, Tiedje JM, Zhang T*. 2015. Metagenomic and network analysis reveal wide distribution and co-occurrence of environmental antibiotic resistance genes. The ISME Journal. 9(11), 2490-502.
  • Ju F, Zhang T*. 2015. Bacterial assembly and temporal dynamics in activated sludge of a full-scale municipal wastewater treatment plant. The ISME Journal. 9(3), 683-95.
  • Mao Y, Yu K, Xia Y, Chao Y, Zhang T*. 2014. Genome reconstruction and gene expression of 'Candidatus Accumulibacter phosphatis' Clade IB performing biological phosphorus removal. Environmental Science and Technology, 48(17), 10363-71.
  • Ju F, Xia Y, Guo F, Wang ZP, Zhang T*. 2014. Taxonomic relatedness shapes bacterial assembly in activated sludge of globally distributed wastewater treatment plants. Environmental Microbiology. 16, 2421-2432.
  • Yang Y, Li B, Ju F, Zhang T*. 2013. xploring variation of antibiotic resistance genes in activated sludge over a four-year period through a metagenomic approach. Environmental Science and Technology. 47 (18), 10197–10205.
  • Cai L, Zhang T*. 2013. Detecting human bacterial pathogens in wastewater treatment plants by a high-throughput shotgun sequencing technique. Environmental Science and Technology, 47 (10), 5433–5441.
  • Ye L, Zhang T*, Wang TT, Fang ZW. 2012. Microbial structures, functions and metabolic pathways in wastewater treatment bioreactors revealed using high-throughput sequencing. Environmental Science and Technology. 46(24), 13244-13252.
  • Li B, Zhang T*. 2012. pH significantly affects removal of trace antibiotics in chlorination of municipal wastewater. Water Research. 46, 3703-3713.
  • Zhang T*, Shao MF, Ye L. 2012. 454 Pyrosequencing reveals bacterial diversity of activated sludge from 14 sewage treatment plants. The ISME Journal. 6(6), 1137-47.


For more information of Professor T. Zhang, please visit and HKU Scholars Hub.