Chengjin Wang

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Dr. Wang is an assistant professor in Environmental Engineering, and his research is focused on micropollutant and disinfection/oxidation byproduct control in water treatment. Before joining UofM in December 2021, Dr. Wang was a postdoctoral scholar, first at the University of Toronto and then at the Connecticut Agricultural Experiment Station. He received his Bachelor’s (2008) and Master’s (2011) degrees from Tongji University in China and his Ph.D. degree (2016) from the University of Alberta.

Civil Engineering
Environmental engineering
water treatment, micropollutant, advanced oxidation processes, water reuse, disinfection byproduct, environmental chemistry
Master Student position, PhD Student position

This group is accepting graduate students. If you are interested, please contact Dr. Wang via email with your CV and transcripts attached.

- Micropollutant removal in advanced oxidation processes (AOPs)
- Novel AOP development
- Mechanism exploration from the chemistry and photochemistry perspectives
- Control of undesirable byproducts

[1] Chen, T.; Wang, C.; Andrews, S.; Hofmann, R. (2021). Effects of UV Light Path Length and Wavelength on UV/Chlorine versus UV/H2O2 Efficacy. ACS EST Water, 1 (5), 1145-1152.

[2] Wang, C.; Rosenfeldt, E.; Li, Y.; Hofmann, R. (2020). External Standard Calibration Method to Measure the Hydroxyl Radical Scavenging Capacity of Water Samples. Environmental Science and Technology. 54 (3), 1929-1937.

[3] Wang, C.; Zheng, L.; Andrews, S.; Hofmann, R. (2020). Monochloramine Formation and Decay in the Presence of H2O2 after UV/H2O2 Advanced Oxidation. Journal of Environmental Engineering. 146(6), 06020002.

[4] Wang, C.; Hofmann, M.; Safari, A.; Viole, I.; Andrews, S.; Hofmann, R. (2019). Chlorine is Preferred Over Bisulfite for H2O2 Quenching Following UV-AOP Drinking Water Treatment. Water Research. 165, 115000.

[5] Wang, C.; Moore, N.; Bircher, K.; Andrews, S.; Hofmann, R. (2019). Full-Scale Comparison of UV/H2O2 and UV/Cl2 Advanced Oxidation: The Degradation Micropollutant Surrogates and the Formation of Disinfection By-Products. Water Research. 161, 448-458.

[6] Wang, C.; Huang, R.; Klamerth, N.; Gamal El-Din, M. (2016). Positive and Negative Electrospray Ionization Analyses of the Organic Fractions in Raw and Oxidized Oil Sands Process-Affected Water. Chemosphere. 165, 239-247.

[7] Wang, C.; Klamerth, N.; Messele, S.A.; Gamal El-Din, M. (2016). Comparison of Ferrate(VI), Ozone, and UV/Hydrogen Peroxide in Oxidizing Oil Sands Process-Affected Water (OSPW). Water Research, 100, 476-485.

[8] Wang, C.; Klamerth, N.; Huang, R.; Elnakar, H.; Gamal El-Din, M. (2016). Oxidation of Oil Sands Process-Affected Water by Potassium Ferrate(VI). Environmental Science and Technology. 50 (8), 4238-4247.

[9] Wang, C.; Alpatova, A.; McPhedran, K. N.; Gamal El-Din, M. (2015). Coagulation/Flocculation Process with Polyaluminum Chloride for the Remediation of Oil Sands Process-Affected Water: Performance and Mechanism Study. Journal of Environmental Management. 160, 254-262.

[10] Abdalrhman, A.S.; Wang, C.; How, Z.T.; Gamal El-Din, M. (2021). Degradation of Cyclohexanecarboxylic Acid as a Model Naphthenic Acid by the UV/Chlorine Process: Kinetics and By-Products Identification. Journal of Hazardous Materials. 402, 123476.

[11] Huang, R.; Wang, C.; Chelme-Ayala, P.; Fang, Z.; Shi, Q.; Xu, C.; Gamal El-Din, M. (2019). Ferrate Oxidation of Distinct Naphthenic Acids Species Isolated from Process Water of Unconventional Petroleum Production. Science of The Total Environment. 672, 906-915.

[12] Yang, B.; Wang, C.; Cheng, X.; Zhang, Y.; Li, W.; Wang, J.; Tian, Z.; Chu, W.; Korshin, G.; Guo, H. (2021). Interactions Between the Antibiotic Tetracycline and Humic Acid: Examination of the Binding Sites and Effects of Complexation on the Oxidation of Tetracycline. Water Research. 202, 117379.

[13] Almuhtaram, H.; Wang, C.; Hofmann, R. (2021). The Importance of Measuring Ultraviolet Fluence Accurately: A Review of Microcystin-LR Removal by Direct Photolysis. Environmental Science and Technology Letters. 8 (3), 199-205.

[14] Moore, N.; Ebrahimi, S.; Zhu, Y.; Wang, C.; Hofmann, R.; Andrews, S. (2021). A Comparison of Sodium Sulfite, Ammonium Chloride, and Ascorbic Acid for Quenching Chlorine Prior to Disinfection Byproduct Analysis. Water Supply. 21 (5), 2313-2323.

[15] Abdalrhman, A.; Wang, C.; Manalac, A.; Weersink, M.; Yassine, A.; Betz, V.; Barbeau, B.; Lilge, L.; Hofmann, R. (2021). Modelling the efficiency of UV at 254 nm for disinfecting the different layers within N95 respirators. Journal of Biophotonics.14 (10), e202100135.

[16] Lilge, L.; Manalac, A.; Weersink, M.; Schwiegelshohn, F.; Young-Schultz, T.; Abdalrhman, A.; Wang, C.; Ngan, A.; Gu, F.X.; Betz, V.; Hofmann, R. (2020). Light Propagation within N95 Filtered Face Respirators: A Simulation Study for UVC Decontamination. Journal of Biophotonics. 13 (12), e202000232.

[17] Wang, J.; Wang, C.; Guo, H.; Ye, T.; Liu, Y.; Cheng, X.; Li, W.; Yang, B.; Du, E. (2020). Crucial Roles of Oxygen and Superoxide Radical in Bisulfite-Activated Persulfate Oxidation of Bisphenol AF: Mechanisms, Kinetics and DFT Studies. Journal of Hazardous Materials. 391, 122228.

[18] Li, W.; Guo, H.; Wang, C.; Zhang, Y.; Cheng, X.; Wang, J.; Yang, B.; Du, E. (2020). ROS Reevaluation for Degradation of 4-chloro-3,5-dimethylphenol (PCMX) by UV and UV/Persulfate Processes in the Water: Kinetics, Mechanism, DFT Studies and Toxicity Evolution. Chemical Engineering Journal. 390, 124610.

[19] Huang, R.; Qin R.; Chelme-Ayala P.; Wang C.; Gamal El-Din M. (2019). Assessment of Ozonation Reactivity of Aromatic and Oxidized Naphthenic Acids Species Separated Using a Silver-Ion Solid Phase Extraction Method. Chemosphere. 219, 313-320.

[20] Huang, R.; Chen, Y.; Meshref, M.; Chelme-Ayala, P.; Dong, S.; Ibrahim, M.; Wang, C.; Klamerth, N.; Hughes, S.; Headley, J.; Peru, K.; Brown, C.; Mahaffey, A.; Gamal El-Din, M. (2018). Characterization and Determination of Naphthenic Acids Species in Oil Sands Process-Affected Water and Groundwater from Oil Sands Development Area of Alberta, Canada. Water Research. 128, 129-137.

[21] Huang, Y.; Nie, Z.; Wang, C.; Li, Y.; Xu, M.; Hofmann, R. (2018). Quenching H2O2 Residuals After UV/H2O2 Oxidation Using GAC in Drinking Water Treatment. Environmental Science: Water Research and Technology. 4 (10), 1662-1670.

[22] Huang, R.; Chen, Y.; Meshref, M.; Chelme-Ayala, P.; Dong, S.; Ibrahim, M.; Wang, C.; Klamerth, N.; Hughes, S.; Headley, J.; Peru, K.; Brown, C.; Mahaffey, A.; Gamal El-Din, M. (2018). Monitoring of Classical, Oxidized, and Heteroatomic Naphthenic Acids Species in Oil Sands Process Water and Groundwater from the Active Oil Sands Operation Area. Science of the Total Environment. 645, 277-285.

[23] Kratky, H.; Li, Z.; Chen, Y.; Wang, C.; Li, X.; Yu, T. (2017). A Critical Literature Review of Bioretention Research for Stormwater Management in Cold Climate and Future Research Recommendations. Frontiers of Environmental Science and Engineering. 11 (4), 1-16.

Current Students