Faculty Profiles

Colleges and Departments

Dr. Sangchul Hwang

  • Professor - Ingram School of Engineering
Portrait of Dr. Sangchul Hwang

Biography and education

Dr. Hwang is a professor of Civil and Environmental Engineering at Texas State University. He joined the faculty in 2020 after serving for 16 years as a professor at the University of Puerto Rico at Mayagüez. He is a licensed professional engineer in the state of Texas. He held two postdoctoral appointments: one at the US EPA National Risk Management Research Laboratory (OK) and the other at the US Army ERDC Environmental Laboratory (MS). He acquired a PhD degree from the University of Akron (OH).

Teaching Interests

Research Interests

  • Hwang, Sangchul Scott (Principal), Cho, Eunsang (Co-Principal), Kim, Namwon (Co-Principal). Performance of the Existing Best Management Practices for PFAS Control in Stormwater Runoff in San Marcos, TX, Texas State University, $80000. (Funded: June 1, 2025 - May 31, 2026). Grant.
  • Hwang, Sangchul Scott (Principal), Song, In-Hyouk (Co-Principal), Kim, Namwon (Co-Principal). VOC Remediation by Permeable Reactive Barrier and VOC Sensor Development for Site Safety, DOE, Federal, $350000. (Funded: March 2025 - March 2026). Grant.
  • Hwang, Sangchul Scott (Principal), Kim, Namwon (Co-Principal). Multidisciplinary Research and Workforce Development on Fate and Transport of PFAS, DOE, Federal, $3007636.5. (Funded: April 2024 - March 2027). Grant.
  • Hwang, Sangchul Scott (Principal), Gurav, Ranjit (Co-Principal), Minifie, Jana Roberta (Co-Principal). Biologically Active Pervious Structure for Stormwater Management, NSF, Federal, $50000. (Funded: February 2024 - January 2026). Grant.
  • Hwang, Sangchul Scott (Principal), Song, In-Hyouk (Co-Principal), Ji, Chang (Co-Principal), Mandal, Sujata (Co-Principal). Climate impact on resiliency and safety of in-situ remediation for recalcitrant contaminants, Department of Energy, Federal, $350000. (Funded: January 2024 - April 2025). Grant.
View all grants
  • Annamalai, S., Kim, N., & Hwang, S. S. (2025). Enhanced PFOA degradation via persulfate-assisted electrochemical oxidation: Performance, mechanistic insights, and toxicity analysis. Journal of Environmental Chemical Engineering, 13, 119424. https://doi.org/https://doi.org/10.1016/j.jece.2025.119424
  • Mandal, S., Gurav, R., & Hwang, S. S. (2024). Seed gum-based polysaccharides hydrogels for sustainable agriculture: A review. International Journal of Biological Macromolecules, 263, 130339. https://doi.org/https://doi.org/10.1016/j.ijbiomac.2024.130339
  • Hwang, S. S., Johnson, C. M., Charles, J. S. J., & Biediger-Friedman, L. M. (2024). Food Delivery Apps and Their Potential to Address Food Insecurity in Older Adults: A Review. International Journal of Environmental Research and Public Health, 21, 1197. https://doi.org/https://doi.org/10.3390/ijerph21091197
  • Mandal, S., Hwang, S. S., Marpu, S. B., Omary, M. A., Prybutok, V., & Shi, S. (2023). Bioinspired synthesis of silver nanoparticles for the remediation of toxic pollutants and enhanced antibacterial activity. Biomolecules, 13, 1054. https://doi.org/http://doi.org/10.3390/biom13071054
  • Gurav, R., Mandal, S., Smith, L., Shi, S., & Hwang, S. S. (2023). The potential of self-activated carbon for adsorptive removal of toxic phenoxyacetic acid herbicide from water. Chemosphere, 339, 139715. https://doi.org/https://doi.org/10.1016/j.chemosphere.2023.139715
View all scholarly/creative works
  • Award / Honor Recipient: Professional Engineer, Texas Board of Professional Engineer. July 9, 2018 - Present
  • Award / Honor Recipient: CoSE Research Millionaire (FY2023-2025), CoSE, TXST. October 2025
  • Award / Honor Recipient: CoSE Research Millionaire (FY2022-2024), CoSE, TXST. October 14, 2024
  • Award / Honor Recipient: Outstanding Professor of Civil Engineering, 2012-2013, University of Puerto Rico at Mayagüez. May 2014
  • Award / Honor Recipient: Certified Pervious Concrete Technician, NRMCA. March 6, 2016 - Present
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  1. Editor

    Aqua - Water Infrastructure, Ecosystems and Society

  2. Member

    ISoE Annual Review Committee

  3. Member

    Plum Creek Watershed Partnership Steering Committee

  4. Member

    Plum Creek Wetlands Preserve Planning Committee

  5. Editorial Review Board Member

    Revista Internacional de Desastres Naturales, Accidentes e Infraestructura Civil (RIDNAIC)

  6. Member

    MSEC Seminar and Commercialization Forum

  7. View all activities