Meijun Cai Ph.D.

Head and shoulders image of Meijun Cai
Professional Title
Research Technical Manager, Environmental Engineer

With 10+ year experience in industry and academia, Dr. Cai's research interests include water chemistry, stormwater treatment, climate change, watershed and environmental statistics. Current researches focus on using cost-effective technologies/materials to treat wastewater and stormwater to sustain resources and protect our environment for resilient communities. Dr. Cai is also an environmental statistician and GIS analyst, capable of multiple statistical methods and softwares, and ArcGIS.

Recent Studies

  • Low-concentration sulfate reduction by chemical precipitation technology
  • Highway stormwater treatment using locally available waste materials; and
  • Assessing environmental stressors impacts such as climate changes on aquatic biological communities


  • Post-doctoral research associate, Department of Civil and Environmental Engineering, The University of Tennessee – Knoxville, 2010-2012
  • Ph.D., Environmental Engineering, University of Tennessee – Knoxville. 2010
  • M.S., Environmental Engineering, Technical University of Denmark. 2006
  • B.S., Environmental Engineering, East China University of Science and Technology. 1997


Google Scholar profile

NRRI News Articles

NRRI research shows that local waste materials can effectively keep pollutants from water sources.

Developing new technologies to clean up polluted water keeps environmental engineer busy

Sulfate in Minnesota water bodies is a statewide problem. NRRI researchers are developing three different solutions for a variety of applications.