Faculty Profile for Dr. Keisuke Ikehata

profile photo for Dr. Keisuke Ikehata
Dr. Keisuke Ikehata
Assistant Professor — Ingram School of Engineering
IGRM 2203
phone: (512) 245-1826

Biography Section

Biography and Education

Dr. Keisuke Ikehata is an Assistant Professor of Civil Engineering in the Ingram School of Engineering, Texas State University, San Marcos, Texas. Dr. Ikehata received his Ph.D. in Civil and Environmental Engineering from the University of Alberta, Edmonton, Alberta, Canada in 2003. In July 2019, he joined Texas State University as one of four founding members of the new Civil Engineering Program. Prior to joining Texas State University, Dr. Ikehata worked for more than eight years as a technical specialist/R&D manager at a water resources engineering firm in Orange County, California and eight years in academia in California, Alberta, and Kansas. Dr. Ikehata is a registered professional engineer (Environmental Engineer) in Arizona (PE) and Alberta (PEng) for more than 8 years.

Teaching Interests

Dr. Ikehata's teaching interests are in water quality engineering, advanced treatment technologies, water and wastewater infrastructure design, sustainable stormwater facility design, including low-impact development and best management practices, desalination and water reuse.

Research Interests

Dr. Ikehata is an expert in advanced water and wastewater treatment and sustainable water resources management, including water reuse, desalination, and stormwater management. He has led or been involved in more than 130 engineering, research, and R&D projects in the United States to develop, design, and evaluate, novel sustainable solutions for emerging water resources challenges, as well as contaminated site remediation, agricultural and industrial water management in the past 20 years.

Dr. Ikehata’s areas of expertise include: (1) advanced water and wastewater treatment technologies, (2) novel biological/biochemical/chemical treatment technologies development, (3) water reuse and desalination, (4) water quality management, (5) industrial and agricultural water management, and (6) stormwater management and beneficial use. He published more than 150 technical publications, including peer reviewed journal articles, invited book chapters, conference papers, and technical articles.

Selected Scholarly/Creative Work

  • Fujioka, T., Ngo, M. T. T., Makabe, R., Boivin, S., & Ikehata, K. (2020). Pretreatment of surface waters and wastewater by a hemodiafilter for online bacterial counting. ACS EST Water. https://doi.org/https://doi.org/10.1021/acsestwater.0c00008
  • Ikehata, K., Zhao, Y., Kulkarni, H. V., & Li, Y. (2019). Treatment of RO concentrate from six potable reuse facilities in the southwestern U.S. with a new photobiological process. Water Supply, 19(6), 1661–1667. https://doi.org/https://doi.org/10.2166/ws.2019.040
  • Kulkarni, H., Zhao, Y., & Ikehata, K. (2019). Factors influencing photobiological treatment process to remove reactive silica from brackish groundwater reverse osmosis concentrate. Desalination, 452, 114–122. https://doi.org/10.1016/j.desal.2018.11.009
  • Ikehata, K., Zhao, Y., Kulkarni, H. V., Li, Y., Synder, S. A., Ishida, K. P., & Anderson, M. A. (2018). Water recovery from advanced water purification facility reverse osmosis concentrate by photobiological treatment followed by secondary reverse osmosis. Environmental Science & Technology, 52(12), 8588–8595. https://doi.org/10.1021/acs.est.8b00951.
  • Ikehata, K., Li, Y., Komor, A. T., & Gibson, G. W. (2018). Free chlorine disinfection of full-scale MBR effluent to achieve 5-log virus inactivation. Water Environment Research, 90(7), 623–633. https://doi.org/10.2175/106143017X15131012153103

Selected Awards

  • Award / Honor Recipient: Service Recognition Award, Western Regional Meeting, American Chemical Society. November 2015
  • Award / Honor Recipient: Certificate of Appreciation, Japan Ozone Association. August 2014
  • Award / Honor Recipient: Service Recognition Award, International Ozone Association-Pan American Group. September 2010
  • Award / Honor Recipient: Service Recognition Award, International Ozone Association-International Ultraviolet Association. August 2007
  • Award / Honor Recipient: Certificate of Merit Award, American Chemical Society, Division of Environmental Chemistry. August 2002

Selected Grants

  • Ikehata, Keisuke (Principal). Development of Multi-parameter Direct Water Quality Monitoring System to Achieve the Circular Society for Water, US Bureau of Reclamation, Federal, $149999. (Submitted: June 16, 2020, Funded: July 1, 2021 - Present). Grant.
  • Ikehata, Keisuke (Principal). Enhanced Water Recovery by a Combination of Photobiological Process and Secondary Reverse Osmosis – Lifecycle Cost Analysis and Mini-Pilot Study, U.S. Bureau of Reclamation, Federal, $250000. (Submitted: December 3, 2019, Funded: January 1, 2021 - Present). Grant.
  • Ikehata, Keisuke (Principal). Dual-Purpose Water Purification System for Direct Potable Use of Stormwater and Reclaimed Water – Feasibility Study, Texas State University, Texas State University, $8000. (Submitted: October 2019, Funded: January 2020 - Present). Grant.
  • Ikehata, Keisuke. Development of Novel Photobiological Process to Improve Water Recovery in Brackish Groundwater Desalination, U.S. Bureau of Reclamation, Federal, $100000. (Funded: January 2017 - March 2018). Grant.
  • Ikehata, Keisuke. A Novel Photobiological Water Treatment Process for More Efficient Water Recovery in Advanced Water Reclamation and Brackish Groundwater Desalination Facilities, National Science Foundation, Small Business Innovation Research, Phase I, Federal, $225000. (Funded: January 2017 - December 2017). Grant.

Selected Service Activities

Subcommittes 1 and 3, ISO/TC 282 Water Reuse, International Organization for Standardization (ISO)
Joint Section Research Committee, American Water Works Association
Committee on Environmental Improvement, American Chemical Society
Editorial Board, Ozone: Science and Engineering
Orange County Section, American Chemical Society