Publications

28.  Prasert, Thirawit, Futoshi Kurisu, and Phanwatt Phungsai. "Comparative Evaluation of Catalytic Ozonation and UV-Based AOPs: Impacts on Dissolved Organic Matter and Disinfection By-Product Formation Revealed by Non-Target Screening." Journal of Environmental Chemical Engineering (2026): 121047.

27. Palee, Ittikorn, Futoshi Kurisu, and Phanwatt Phungsai. "Characterizing disinfection byproduct precursors through organic matter fractionation and correlation analysis using nontargeted screening analysis with Orbitrap mass spectrometry." Water Research (2025): 124566.

26. Zaetang, Yuwadee, Pemiga Thongrit, Tanakorn Phoo-Ngernkham, Chayanee Tippayasam, Phanwatt Phungsai, Ampol Wongsa, Vanchai Sata, and Prinya Chindaprasirt. 2025. “High Calcium Fly Ash-Auto Glass Powder Alkali-Activated Pastes.” International Journal of Sustainable Engineering 18 (1). doi:10.1080/19397038.2025.2466475. 

25. Pattakamol Somboot, Sattawat Thuangchon, Phanwatt Phungsai, Thunyalux Ratpukdi, Patiparn Punyapalakul, Removal of dissolved organic matter from sugar mill effluents using magnetic anion exchange (MIEX) and Amberlite, Journal of Water Process Engineering, Volume 71, 2025, 107132

24. Thirawit Prasert, Futoshi Kurisu, Phanwatt Phungsai. (2025). Characterizing the precursors of byproducts formed by chlorine and chlorine dioxide disinfection using unknown screening analysis with Orbitrap mass spectrometry, Science of The Total Environment, Volume 959, 178296.

23. Sattawat Thuangchon, Pattakamol Somboot, Bunleu Sungthong, Patiparn Punyapalakul, Sumana Siripattanakul-Ratpukdi, Phanwatt Phungsai, Thunyalux Ratpukdi. (2025). Dissolved organic matter removal from sugar mill effluent by activated carbon-catalytic ozonation: Performance, organic carbon change, system characterization, and catalyst reusability, Journal of Water Process Engineering, Volume 69, 106808. 

22. Yuthawong, V., Thongnueaha, C., & Phungsai, P. (2024). Formation of chlorinated disinfection by-products and fate of their precursors in individual processes of a conventional water treatment plant assessed using high-resolution mass spectrometry. Environmental Science: Water Research & Technology, 10, 2453-2465.

21. Youngwilai, A., Khan, E., Phungsai, P., Therdkiattikul, N., Limpiyakorn, T., Mhuantong, W., Ratpukdi, T., Supanchaiyamat, N., Andrew J. Hunt, Ngernyen, Y., Siripattanakul-Ratpukdi. S.,Comparative investigation of known and unknown disinfection by-product precursor removal and microbial community from biological biochar and activated carbon filters Water Research, 261, 121994. 

20. Thepubon, T., Phungsai, P.  Choeisai, P.*, and Kubota, K. (2023). Dissolved Organic Matter Composition and Microbial Community Dynamics in Two-Phase Multi-Staged Up-Flow Anaerobic Sludge Blanket Treatment of Tapioca Starch Processing Wastewater. Bioresource Technology Reports 24, 101660  

19.      Palee, I. Kaewsimmaporn, S., Jutaporn, P., Phungsai, P*. and Ratpukdi. T. (2023) Reverse osmosis pretreatment by a fluidized magnetic ion exchange resin for application in a power plant: Pilot-scale and high-rate operations and foulant characterization. Chemical Engineering Journal, 470, 144320

18.      Prasert, T., Ishii, Y., Kurisu, F., Musikavong, C., & Phungsai, P*. (2023). Changes in molecular dissolved organic matter during coagulation/sedimentation and chlorine and chlorine dioxide disinfection by non-target (or unknown) screening analysis. Journal of Water Process Engineering, 52, 103528.

17.      Yuthawong, V., Thongnueaha, C., & Phungsai, P. (2023). Changes in optical properties and molecular composition of dissolved organic matter and formation of disinfection by-products during conventional water treatment processes. Environmental Science: Water Research & Technology, 9(1), 161-175.

16.      Jutaporn, P., Muenphukhiaw, N., Phungsai, P., Leungprasert, S., & Musikavong, C. (2022). Characterization of DBP precursor removal by magnetic ion exchange resin using spectroscopy and high-resolution mass spectrometry. Water Research, 217, 118435.

15.      Phinyothanmakorn, N., Prasert, T., Ngernyen, Y., Siripattanakul-Ratpukdi, S., & Phungsai, P*. (2022). Characterization of molecular dissolved organic matter removed by modified eucalyptus-based biochar and disinfection by-product formation potential using Orbitrap mass spectrometric analysis. Science of the Total Environment, 820, 153299.

14.      Dabuth, N., Thuangchon, S., Prasert, T., Yuthawong, V., & Phungsai, P*. (2022). Effects of catalytic ozonation catalyzed by TiO2 activated carbon and biochar on dissolved organic matter removal and disinfection by-product formations investigated by Orbitrap mass spectrometry. Journal of Environmental Chemical Engineering, 10(2), 107215.

13.      Chantarasrisuriyawong, T., Prasert, T., Yuthawong, V., & Phungsai, P*. (2022). Changes in molecular dissolved organic matter and disinfection by-product formation during granular activated carbon filtration by unknown screening analysis with Orbitrap mass spectrometry. Water Research, 211, 118039.

12.      Youngwilai, A., Phungsai, P., Supanchaiyamat, N., Hunt, A. J., Ngernyen, Y., Ratpukdi, T., ... & Siripattanakul-Ratpukdi, S*. (2022). Characterization of dissolved organic carbon and disinfection by-products in biochar filter leachate using orbitrap mass spectrometry. Journal of Hazardous Materials, 424, 127691.

11.      Somboot, P., Thuangchon, S., Phungsai, P.*, & Ratpukdi, T. (2022). Application of Amberlite and magnetic ion-exchange resins for dissolved organic matter removal in sugar mill effluent. Engineering and Applied Science Research, 49(1), 103-111.

10.  Thuangchon, S., Somboot, P., Phungsai, P., & Ratpukdi, T. (2021). Removal of dissolved organic matter in sugar mill effluent by catalytic ozonation with activated carbon (O3/GAC). Engineering and Applied Science Research, 48(6), 740-746.

9.  Li, L.*, Phungsai, P., Kurisu, F., & Visvanathan, C. (2021). Orbitrap mass spectrometry for the molecular characterization of water resource recovery from polluted surface water using membrane bioreactor. Chemosphere, 270, 128771.

8.  Prasert, T., Ishii, Y., Kurisu, F., Musikavong, C., & Phungsai, P*. (2021). Characterization of lower Phong river dissolved organic matters and formations of unknown chlorine dioxide and chlorine disinfection by-products by Orbitrap mass spectrometry. Chemosphere, 265, 128653.

7.  Phatthalung, W. N., Suttinun, O., Phungsai, P., Kasuga, I., Kurisu, F., Furumai, H., & Musikavong, C*. (2021). Non-target screening of dissolved organic matter in raw water, coagulated water, and chlorinated water by Orbitrap mass spectrometry. Chemosphere, 264, 128437.

6.  Phungsai, P*., Kurisu, F., Kasuga, I., & Furumai, H. (2021). Changes in dissolved organic matter during water treatment by sequential solid-phase extraction and unknown screening analysis. Chemosphere, 263, 128278.

5.  Rakruam, P., Thuptimdang, P., Siripattanakul-Ratpukdi, S., & Phungsai, P*. (2021). Molecular dissolved organic matter removal by cotton-based adsorbents and characterization using high-resolution mass spectrometry. Science of The Total Environment, 754, 142074.

4.  Phungsai, P., Kurisu, F. *, Kasuga, I., & Furumai, H. (2019). Molecular characteristics of dissolved organic matter transformed by O3 and O3/H2O2 treatments and the effects on formation of unknown disinfection by-products. Water research, 159, 214-222.

3.  Phungsai, P., Kurisu, F*., Kasuga, I., & Furumai, H. (2018). Changes in dissolved organic matter composition and disinfection byproduct precursors in advanced drinking water treatment processes. Environmental science & technology, 52(6), 3392-3401.

2.  Phungsai, P.*, Kurisu, F., Kasuga, I., & Furumai, H. (2016). Molecular characterization of low molecular weight dissolved organic matter in water reclamation processes using Orbitrap mass spectrometry. Water research, 100, 526-536.  

1. Jacob, P., Phungsai, P., Fukushi, K., & Visvanathan, C. (2015). Direct contact membrane distillation for anaerobic effluent treatment. Journal of Membrane Science, 475, 330-339.

Conference or Seminar 

34.  Ittikorn Palee*, Phanwatt Phungsai, and Kurisu Futoshi, Unraveling Disinfection Byproduct Formation from Emerging Organic Pollutants in Chlorination Processes by Unknown and Suspect Screening Analysis with Orbitrap Mass Spectrometry. Water and Environment Technology Conference (WET2025) Held on July 5–6, 2025 at City Hall Plaza Aore Nagaoka, Nagaoka City, Niigata Prefecture, Japan. 

33. Ittikorn Palee*, Phanwatt Phungsai, and Kurisu Futoshi, Surveillance of Emerging Organic Pollutants in Thailand by Suspect Screening Using High-Resolution Mass Spectrometry, The 10th Asia-Oceania Mass Spectrometry Conference, Ishigaki, Okinawa, Japan, 22 - 25 June 2025. 

32. Ittikorn Palee*, Kurisu Futoshi, and Phanwatt Phungsai, Unraveling Disinfection By-Product Precursors Through Partial Solid Phase Extraction and NonTarget Analysis by Orbitrap Mass Spectrometry, The 59th JSWE Annual Conference 2025, Sapporo, Japan, 17 - 19 March 2025. 

31. Naruemon Phinyothanmakorn, Phanwatt Phungsai. Minimizing Disinfection Byproducts (DBP) by Powdered Activated Biochar from Agricultural Residues. IWA 21st INTERNATIONAL CONFERENCE ON DIFFUSE POLLUTION & EUTROPHICATION,  CHIANG MAI, THAILAND, DECEMBER 11-14, 2024,

30. Thirawit Prasert, Futoshi Kurisu, Phanwatt Phungsai, Investigating Effects of Advanced Oxidation Processes to Molecular Dissolved Organic Matter and Disinfection By-Product Precursors by Unknown Screening Analysis. Water and Environment Techonology Conference 2024.  Okayama University, Tsushima campus, Japan, 20-21 July 2024.

29. Phanwatt Phungsai, Thanadul Chantarasrisuriyawong, and Naruemon Phinyothanmakorn, Unknown Dissolved Organic Matters in Phong River, Thailand and Their Removal by Activated Carbon and Biochar. IWA 13th Micropol and Ecohazard, National Taiwan University, Taipei, Taiwan, 16-20 June 2024. 

28. Phanwatt Phungsai,Unknown Dissolved Organic Matter in Water Treatment: What do we know?, RECWET Special Seminar 53. https://www.wetech.t.u-tokyo.ac.jp/archives/1776

27. Siwakorn Thongsuk, Rungsimant Khaewkhumsean, Gevalin Pongsri, Naruemon Phinyothanmakorn, and Phanwatt Phungsai, Minimizing Trihalomethane Formation Potential by Powdered Coal-based and Coconut-based Activated Carbon during Coagulation/Sedimentation, 12th International Conference on Environmental Engineering, Science and Management, Jomtien Palm Beach Hotel and Resort, Pattaya, Thailand. 17-18 May 2023.

26. Thirawit Prasert*, and Phanwatt Phungsai, Comprehending the Formation of Disinfection By-products Formed by Chlorine and Chlorine Dioxide by Unknown Screening Analysis with Orbitrap MS. 12th International Conference on Environmental Engineering, Science and Management, Jomtien Palm Beach Hotel and Resort, Pattaya, Thailand. 17-18 May 2023. 

25. Thirawit Prasert*, Phanwatt Phungsai and Futoshi Kurisu. Unknown screening analysis of disinfection by-products formed by chlorine, chlorine dioxide, and chloramine disinfection of river water samples. SEAWE13, Asian Institute of Technology, Pathum Thani, Thailand, 13-15 December 2022. 

24. Ittikorn Palee, Santiboon Kaewsimmaporn, Thunyalux Ratpukdi, Panitan Jutaporn and Phanwatt Phungsai. A pilot-scale of high-rate magnetic ion exchange resin as a pretreatment for dissolved organic carbon removal in water purification of power plant. SEAWE13, Asian Institute of Technology, Pathum Thani, Thailand, 13-15 December 2022. 

23. Thitawit PRASERT, Phanwatt PHUNGSAI, Non-Target Screening Analysis to Characterize Dissolved Organic Matter in Lower Phong River and Dissinfection by-Products Formation by Orbitrap Mass Spectrometry, ICGSI 2021, Krabi, Thailand, 11-12 November, 2021.

22. Thitawit PRASERT, Phanwatt PHUNGSAI, Non-Target (or Unknown) Screening Analysis of Dissolved Organic Matter Removed by Coagulation/Sedimentation and Formation of Chlorine and Chlorine Dioxide Disinfection By-Products. WET2021-Online Conference, 11-12 August, 2021.

21.  Nutdanai DABUTH, Phanwatt PHUNGSAI, Improvement of Dissolved Organic Matter Removals and Reduction of Disinfection By-products by Catalytic Ozonation with TiO2/GAC. WET2021-Online Conference, 11-12 August, 2021.

20. Naruemon PHINYOTHANMAKORN, Sumana SIRIPATTANAKUL-RATPUKDI, and Phanwatt PHUNGSAI*, Enhancement of Dissolved Organic Matter Removal by KOH-Modified Biochar in Water Treatment. WET2021-Online Conference, 11-12 August, 2021.

19. SOOMBUT Pattakamol, THUANGCHON Satawat, PHUNGSAI Phanwatt, RATPUKDI Thunyalux. “Application of Amberlite and Magnetic Ion-exchange Resins for Removals of Dissolved Organic Matters in Sugar Mill Effluent”, KKU-IENC 2021, Khon Kaen, Thailand, 12 May 2021.

18. THUANGCHON Satawat, SOOMBUT Pattakamol,  PHUNGSAI Phanwatt, RATPUKDI Thunyalux. “Removal of dissolved organic matter in sugar mill effluent by catalytic ozonation with activated carbon (O3/GAC)”, KKU-IENC 2021, Khon Kaen, Thailand, 12 May 2021.

17.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki, “Effects of Ozone and Peroxone on Dissolved Organic Matter and Chlorination Disinfection Byproduct Precursors”, IWA NOM7, Tokyo, Japan, 7-10 October 2019

 16.Futoshi Kurisu, Y. Ishii, S. Acharya, P. Phungsai, I. Kasuga and H. Furumai. "Screening organic matters consumed by the bacterial growth in treated wastewater". TransCon2019. 28 April – 3 May 2019, Ascona, Switzerland.

 15.Lu Li, Phanwatt Phungsai, Hiroaki Furumai, Kang Song, C. Visvanathan*. "Orbitrap Mass Spectrometry for Molecular Characterization of Low Molecular Weight Dissolved Organic Matters in aMBR for Treating Polluted Surface Water". International conference in challenges in environmental science & engineering (CESE-2018), 4 - 8, Nov. 2018, Bangkok, Thailand.

 14.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki, “Molecular-level Assessment of Dissolved Organic Matter Removal by MIEX® In Drinking Water Treatment”, IWA World Water Congress, Tokyo, Japan, 16-21 September 2018

 13.1PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki,” Fate Evaluation of Putative Disinfection By-products Precursors in Ozonation and Biological Activated Carbon Filtration Process by Orbitrap Mass Spectrometry”, AWWA Water Quality and Technology Conference, Portland, Oregon, November 12-16, 2017

 12.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki, “Profiling Dissolved Organic Matter at Molecular Level in Environmental and Urban Water Resources by Orbitrap Mass Spectrometry”, IWA-ASPIRE Conference 2017, Kuala Lumpur, Malaysia, 11-14 September 2017.

 11.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki, “Application of Sequential Solid Phase Extraction to Dissolved Organic Matter for Unknown Screening Analysis with an Orbitrap Mass Spectrometry”, The Water and Environment Technology Conference 2017 (WET2017), Hokkaido, Japan, 22-23 July 2017.

 10.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, FURUMAI Hiroaki, Fumiyasu YOKOYAMA, Michiko AOKI, Yasuhiro KATO “Comparison of Dissolved Organic Matter (DOM) in Treated Water by Ozone and Ozone-H2O2 to Correlate with Disinfection By-products (DBPs) Formation Using Orbitrap Mass Spectrometry”, The 51th Annual Conference of Japan Society on Water Environment, Kumamoto, Japan, 15-17 March 2017.

 9.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki, “Molecular characterization of Dissolved Organic Matter in Reclaimed and Drinking Water Treatment Processes using Orbitrap Mass Spectrometry”, The 19th JSWE Symposium in Organo Award Session, Tokyo, Japan, 27-13 September 2016.

 8.PHUNGSAI Phanwatt, Shwetha Acharya, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki, “Tracking Dissolved Organic Matter Assimilated By Microbial Regrowth in Reclaimed Water By Orbitrap Mass Spectrometry”, The IWA Microbial Ecology in Water Engineering & Joint Specialist Conference 2016, Copenhagen, Denmark, 4-9 September 2016.

 7.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki, “Reproducibility of Orbitrap Mass Spectrometry in Unknown Screening Analysis of Dissolved Organic Matter in Environmental and Urban Water”, The Water and Environment Technology Conference 2016 (WET2016), Tokyo, Japan, 27-28 August 2016.

 6.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki.  “Unknown Screening of Chlorinated Disinfection By-products and Their Precursors through a Series of Treatment Processes by Orbitrap Mass Spectrometry”, International Environmental Engineering Conference 2015 (IEEC2015), Busan, South Korea, 28-30 October 2015.

 5.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki.  “Characterization of Low Molecular Weight Dissolved Organic Matter in Drinking Water Treatment Process Using Orbitrap Mass Spectrometry”, IWA Specialist Conference on Natural Organic Matter 6th (NOM6), Malmo, Sweden, 7-10 September 2015.

 4.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki.  “Unknown Screening of Chlorinated Disinfection By-product and Their Precursors in Drinking Water by Orbitrap Mass Spectrometry”, The Water and Environment Technology Conference 2015 (WET2015), Tokyo, Japan, 5-6 August 2015.

 3.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki.  “Analysis of Low Molecular Weight Dissolved Organic Matter in Water Reclamation Processes by Orbitrap Mass Spectrometry”, The 49th Annual Conference of Japan Society on Water Environment, Kanazawa, Japan, 16-18 March 2015.

 2.PHUNGSAI Phanwatt, KURISU Futoshi, KASUGA Ikuro, and FURUMAI Hiroaki.  “Molecular Characterization and Transformation of Low Molecular Weight Organic Matter along with Water Reclamation Processes”, The 11th International Symposium on Southeast Asian Water Environment (SEAWE11), Bangkok, Thailand, 26-28 November 2014.

 1.C. Visvanathan, PHUNGSAI Phanwatt & Paul Jacob, “Study on Flux and Fouling Interactions by Coupling Thermophilic Anaerobic Bioreactor Using Membrane Distillation Process", 6th Annual Conference on the Challenges in Environmental Science & Engineering (CESE 2013), Daegu, Korea, 29 October-2 November, 2013