Doctor Yongqiang Liu

Dr Yongqiang Liu

Associate Professor

Research interests

  • Municipal and industrial wastewater treatment 
  • Biofilm 
  • Anaerobic digestion 

More research

Accepting applications from PhD students.

Connect with Yongqiang


Dr Liu’s research covers a wide range of topics from microbial fermentation, anaerobic digestion, hydrolysis of organic wastes, membrane filtration to wastewater treatment and resource recovery as well as life cycle assessment. She has undertaken many projects sponsored by the Singapore National Environment Agency, the Singapore Environment and Water Industry Programme, the Royal Society, the Royal Academy of Engineering, EPSRC and BBSRC. She also conducted projects from the industry for technology demonstration and scaling-up. Currently, she is responsible for the experimental part of an anaerobic digestion project worth £1.4 million funded by EPSRC and led by the University of Surrey. 

Dr. Liu has published approximately 100 peer-reviewed journal papers with an H-index of 34 and over 4300 citations (Google Scholar). She is the author of three book chapters titled “Aerobic treatment of organic compounds in wastewater”, “Biological phosphoru removal processes”, and “Combusion, pyrolysis and gasification of sewage sludge for energy recovery”.  Dr. Liu is an editorial board member/associate editor for journals Processes and Frontier in Energy Research, respectively, meanwhile, she is a technical reviewer serving for a number of international journals for years.  Dr. Liu is also an active reviewer of research proposals for BBSRC, EPSRC, Royal Academy of Engineering, Royal Society and research councils in Canada, Finland, Switzerland, Croatia etc.

Dr Liu has an established and growing international reputation evidenced by being listed by Standford University as the top 2% of the world's leading scientists from 2020 to 2023.