Renzun Zhao, Ph.D., P.E.

Assistant ProfessorZhao


Contact: 437-A McNair Hall
Ph: (336) 285-3684
Fax: (336) 334-7126


Ph.D. Civil Engineering, Virginia Tech, 2012
M.S. Civil Engineering, Harbin Institute of Technology, 2007
B.S. Civil Engineering, Harbin Institute of Technology, 2005

Teaching Interest

Environmental Engineering Design (CIEN 412)

Research Interest

Sustainable water infrastructure, food-energy-water nexus, advanced water and wastewater treatment, solid and hazardous waste management, environmental remediation, water chemistry, environmental biotechnology.

Research Projects

  • “Investigation and Removal of Contaminants in the Coastal Texas Water Systems under
    Natural Disasters”. Co-PI (PI: Dr. Helen Lou at Lamar University) Project No.
    118LUB0058H. $17,650, Texas Hazardous Waste Research Center, 04/2018-07/2019.
  • “RAPID/Collaborative Research: Enhance the Resilience of Water Infrastructure in Midsized
    Cities Adjacent to Energy Industry”. Co-PI. (PI: Dr. Helen Lou at Lamar
    University) Award No. 1760710. $ 125,018, National Science Foundation, 10/2017-
  • “Mechanism exploration and treatability investigation for landfill leachates and gas well
    liquids generated from ETLFs”. Sole PI. $ 40,918, Waste Management National
    Services, 09/2017-08/2018.

Selected Publications

  • Syeed Md Iskander, Renzun Zhao*, Ankit Pathak, Abhinav Gupta, Amy Pruden, John T. Novak, Zhen He. 2018. A review of landfill leachate induced ultraviolet quenching substances: Sources, characteristics, and treatment. Water Research. 145, 297-311.
  • Yang Deng, Chanil Jung, Renzun Zhao, Kevin Torrens. 2018. Adsorption of UVQuenching Substances (UVQS) from Landfill Leachate with Activated Carbon. Chemical Engineering Journal. 350, 739-746.
  • Renzun Zhao, Chanil Jung, Alicja Trzopek, Kevin Torrens, Yang Deng. 2018. Characterization of Ultraviolet-Quenching Dissolved Organic Matter (DOM) in Mature and Young Leachates Before and After Biological Pre-treatment. Environmental Science: Water Research and Technology, 4(5), 731-738.
  • Renzun Zhao*, Hong Zhao, Rich Dimmassimo, Guoren Xu. 2018. Pilot Scale Study of Sequencing Batch Reactor (SBR) Retrofit with Integrated Fixed Film Activated Sludge (IFAS): Nitrogen Removal and Design Consideration. Environmental Science: Water Research and Technology, 4, 569-581.
  • Renzun Zhao*, Abhinav Gupta, John T Novak, C, Douglas Goldsmith. 2017. Evolution of Nitrogen Species in Landfill Leachates under Various Stabilization States. Waste Management. 69, 225-231.
  • Chanil Jung, Yang Deng, Renzun Zhao, Kevin Torrens. 2017. Chemical Oxidation for Mitigation of UV-Quenching Substances (UVQS) from Municipal Landfill Leachate: Fenton Process versus Ozonation. Water Research.108, 260-270.
  • Yang Deng, Renzun Zhao. 2015. Advanced Oxidation Processes (AOPs) in Wastewater Treatment. Current Pollution Reports. 1, (3): 167-176.
  • Abhinav Gupta, John T Novak, Renzun Zhao. 2015. Characterization of organic matter in the thermal hydrolysis pretreated anaerobic digestion return liquor. Journal of Environmental Chemical Engineering. 3 (4A), 2631-2636.
  • Abhinav Gupta, Renzun Zhao*, John T Novak, C, Douglas Goldsmith. 2014. Variation in organic matter characteristics of landfill leachates in different stabilization stages. Waste Management & Research. 32(12), 1192-1199.
  • Abhinav Gupta, Renzun Zhao, John T Novak, C, Douglas Goldsmith. 2014. Application of Fenton's reagent as a polishing step for removal of UV quenching organic constituents in biologically treated landfill leachates. Chemosphere. 105, 82-86.
  • Renzun Zhao*, Abhinav Gupta, John T Novak, C, Douglas Goldsmith, Natalie Driskill. 2013. Characterization and treatment of organic constituents in landfill leachates that influence the UV disinfection in the publicly owned treatment works (POTWs). Journal of Hazardous Materials. 258, 1-9.