Faculty Profiles

Colleges and Departments

Dr. Sangchul Hwang

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

Biography and expertise

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).

Education

Doctorate Degree

PhD in Engineering

The Univ of Akron Main Campus, 2002

Teaching Interests

Research Interests

  • Hwang, Sangchul Scott (Principal). TLAP Wastewater Effluent Land Application: Efficacy and Environmental Impact, City of Austin, State, $70000. (Funded: May 2026 - September 2027). Grant.
  • Hwang, Sangchul Scott (Principal). In-Reservoir Water Quality Management with Floating Wetlands, City of Kyle, State, $456549. (Funded: December 2025 - December 2028). Grant.
  • Hwang, Sangchul Scott (Principal). PFAS Monitoring in the Upper San Marcos River, Texas State University, $61000. (Funded: September 1, 2025 - August 31, 2027). Grant.
  • Hwang, Sangchul Scott (Principal), Percent Contribution: %50, Kim, Namwon (Co-Principal), Percent Contribution: %25, Song, In-Hyouk (Co-Principal), Percent Contribution: %25. VOC Remediation by Permeable Reactive Barrier and VOC Sensor Development for Site Safety, DOE, Federal, $350000. (Funded: March 2025 - June 2026). Grant.
  • Hwang, Sangchul Scott (Principal), Percent Contribution: %60, Kim, Namwon (Co-Principal), Percent Contribution: %40. Multidisciplinary Research and Workforce Development on Fate and Transport of PFAS, DOE, Federal, $3007636.5. (Funded: April 2024 - March 2027). Grant.
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  • Annamalai, S., Kim, N., & Hwang, S. S. (2026). Performance of a 3D-particle electrode for PFOA degradation by persulfate-activated electrochemical advanced oxidation processes. Journal of Hazardous Materials: Organics, 2, 100014. https://doi.org/10.1016/j.hazmo.2026.100014
  • Babatunde, E. O., Gurav, R., & Hwang, S. S. (2026). Biochar Derived from Giant Reed and Water Lettuce for Adsorptive and Oxidative Remediation of Crystal Violet Dye in Water. Water Practice & Technology, 21, 969–988. https://doi.org/10.2166/wpt.2026.216
  • Bhattarai, P., Annamalai, S., Kim, N., & Hwang, S. S. (2026). PFOA Adsorption onto Biochar Derived from Invasive Water Hyacinth. Water Science & Technology, 93(8), 1180–1194. https://doi.org/10.2166/wst.2026.260
  • Gurav, R., Mandal, S., Smith, L., Shi, S., & Hwang, S. S. (2025). The potential of self-activated carbon for adsorptive removal of toxic phenoxyacetic acid herbicide from water. Chemosphere, 339, 139715. https://doi.org/10.1016/j.chemosphere.2023.139715
  • 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/10.1016/j.jece.2025.119424
View all scholarly/creative works
  • Award / Honor Recipient: Professional Engineer, Texas Board of Professional Engineer. July 9, 2018 - Present
  • Award / Honor Recipient: CoSE Research Big Spender ($2.41 millions in FY2024-2026, $1.64 millions in FY2023-2025), TXST. 2023 - 2026
  • Award / Honor Recipient: CoSE Research Grant Millionaire (FY2024-2026, FY2023-2025, FY2022-2024), TXST. 2022 - 2026
  • Award / Honor Recipient: Outstanding Professor of Civil Engineering, 2012-2013, 2009-2010, 2007-2008, 2005-2006, University of Puerto Rico at Mayagüez. 2005 - 2014
  • Award / Honor Recipient: 2011 Scientific and Technological Achievement Award (STAA), US Environmental Protection Agency. 2012
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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

    CE PhD Admission Committee

  7. View all activities