Prof. Chen concentrated himself into the area of polluted raw water biotreatment, Wastewater reuse theory and technologies development, etc. He has also been the principal in over 30 scientific projects, including Natural Science Foundation of China, National State Water Key projects, international cooperation key R.&D. projects, enterprise R&D projects, etc. His achievements had full-scale application in polluted raw water treatment and wastewater reuse.
Prof. Chen has published more than 150 papers, has applied for more than 20 China patents.