Associate Professor Benjaporn Suwannasilp, Ph.D.
E-mail: Benjaporn.Bo@chula.ac.th
Risks in the Future
Climate change
Resource scarcity
Clean water crisis
Vulnerability
Agricultural sector
Developing countries
Research
1. Environmental Biotechnology
2. Circular economy in wastewater treatment
Education
Ph.D. Civil and Environmental Engineering, Stanford University (2009)
M.S. Civil and Environmental Engineering, Stanford University (2005)
B.Eng Environmental Engineering, Chulalongkorn University (2002)
Employment History
2017 – Present Associate Professor, Department of Environmental
Engineering, Chulalongkorn University, Thailand
2012 – 2017 Assistant Professor, Department of Environmental
Engineering, Chulalongkorn University, Thailand
2010 – 2012 Lecturer, Department of Environmental Engineering,
Chulalongkorn University, Thailand
Research Interests
– Resource recovery from wastewater (water reuse, nutrient recovery,
energy recovery, material production)
– Polyhydroxyalkanoate (bioplastics) production from organic
wastewater using mixed microbial cultures
– Microbial fuel cells for treatment and energy recovery of wastewater
containing sulfate/sulfide
– Anaerobic treatment processes e.g. anaerobic membrane bioreactor
(AnMBR), anaerobic moving bed biofilm reactor (AnMBBR)
– Dissolution of struvite precipitated from wastewater using phosphate-
solubilizing bacteria
– Water reclamation for integrated water resource management




Publication
Sonthiphand, Prinpida., Songkriengkrai, Napong., Charanaipayuk, Nampetch., Termsaithong, Teerasit., Boonchayaanant, Benjaporn., Mhuantong, Wuttichai., Limpiyakorn, Tawan. Dynamics of ammonia-oxidizing microorganisms in gradient temperature-regulated reactors under low ammonia loading condition 2025, Journal of Environmental Management 380 |
Jantharadej, Krittayapong., Jaroensawat, Jarataroon., Matanachai, Kanin., Limpiyakorn, Tawan., Tobino, Tomohiro., Thayanukul, Parinda., Boonchayaanant, Benjaporn. Bioaugmentation of Thauera mechernichensis TL1 for enhanced polyhydroxyalkanoate production in mixed microbial consortia for wastewater treatment 2024, Science of The Total Environment 916 |
Chothong, N., Suwannasilp, B. Simultaneous removal of organic compounds and nitrogen and polyhydroxyalkanoate production using mixed microbial cultures bioaugmented with Thauera mechernichensis TL1 2024, Chulalongkorn University |
Raunhan, Rasita., Jantharadej, Krittayapong., Mhuantong, Wuttichai., Chanprateep, Suchada., Boonchayaanant, Benjaporn. Valorization of food waste derived anaerobic digestate into polyhydroxyalkanoate (PHA) using Thauera mechernichensis TL1 2023, Waste Management 171 |
Jokkaew, Suphatsorn., Jantharadej, Krittayapong., Pokhum, Chonlada., Chawengkijwanich, Chamorn., Boonchayaanant, Benjaporn. Free and encapsulated phosphate-solubilizing bacteria for the enhanced dissolution of swine wastewater-derived struvite�an attractive approach for green phosphorus fertilizer 2022, Sustainability 14 |
Hanvajanawong, K., Suyamud, B., Suwannasilp, BB., Lohwacharin, J., Visvanathan, C. Unravelling capability of two-stage thermophilic anaerobic membrane bioreactors for high organic loading wastewater: Effect of support media addition and irreversible fouling 2022, Bioresource Technology 348 |
Jirasaranporn, Akarawin., Jantharadej, Krittayapong., Wongwailikhit, Kritchart., Chawengkijwanich, Chamorn., Lohwatcharin, Jenyuk., Boonchayaanant, Benjaporn. A pilot-scale anaerobic moving-bed biofilm reactor with PVA gel beads as media for the treatment of fish canning industry wastewater 2022, Water Reuse 12 |
Intaraburt, Weeraya., Sangsanont, Jatuwat., Limpiyakorn, Tawan., Ruangrassamee, Piyatida., Suttinon, Pongsak., Boonchayaanant, Benjaporn. Feasibility Study of Water Reclamation Projects in Industrial Parks Incorporating Environmental Benefits: A Case Study in Chonburi, Thailand 2022, Water 14 |
Jantharadej, Krittayapong., Kongprajug, Akechai., Mhuantong, Wuttichai., Limpiyakorn, Tawan., Boonchayaanant, Benjaporn., Mongkolsuk, Skorn., Sirikanchana, Kwanrawee. Comparative genomic analyses of pathogenic bacteria and viruses and antimicrobial resistance genes in an urban transportation canal 2022, Science of The Total Environment 848 |
Maneewan, P., Sajomsang, W., Singto, S., Lohwacharin, J., Suwannasilp, BB. Fouling mitigation in an anaerobic membrane bioreactor via membrane surface modification with tannic acid and copper 2021, Environmental Pollution 291 |
Jantharadej, Krittayapong., Limpiyakorn, Tawan., Kongprajug, Akechai., Mongkolsuk, Skorn., Sirikanchana, Kwanrawee., Boonchayaanant, Benjaporn. Microbial community compositions and sulfate-reducing bacterial profiles in malodorous urban canal sediments 2021, Archives of Microbiology 203 |
Sruamsiri, D., Thayanukul, P., Suwannasilp, BB. In situ identification of polyhydroxyalkanoate (PHA)-accumulating microorganisms in mixed microbial cultures under feast/famine conditions 2020, Scientific Reports 10 (1) |
Jantharadej, Krittayapong., Mhuantong, Wuttichai., Limpiyakorn, Tawan., Mongkolsuk, Skorn., Sirikanchana, Kwanrawee., Boonchayaanant, Benjaporn. Identification of sulfate-reducing and methanogenic microbial taxa in anaerobic bioreactors from industrial wastewater treatment plants using next-generation sequencing and gene clone library analyses 2020, Journal of Environmental Science and Health, Part A 55 |
Heepkaew, P., Suwannasilp, BB. Polyhydroxyalkanoate production using two‐stage continuous stirred tank activated sludge systems with glycerol as a carbon source 2020, Journal of Chemical Technology & Biotechnology 95 (4) |
Komolyothin, D., Painmanakul, P., Suwannasilp, BB. A microbial fuel cell integrated with an absorption column for the removal of hydrogen sulfide from anaerobic wastewater treatment 2020, Desalination and Water Treatment 200 |
Hanvajanawong, K., Lohwacharin, J., Suwannasilp, B. Effect of Polyvinyl Alcohol Gel Coated with Ferrihydrite on Propionic Acid Removal in Anaerobic Wastewater Treatment 2019, Thai Environmental Engineering Journal 33 (1) |
Maneewan, P., Suwannasilp, B. Coating ultrafiltration membrane with tannic acid and copper for antifouling in anaerobic membrane bioreactor 2019, Chulalongkorn University |
Jantharadej, K., Limpiyakorn, T., Sirikanchana, K., Suwannasilp, BB. Survey of sulfate-reducing bacteria communities in Saen Saep canal sediments using next-generation sequencing and dsrB gene clone libraries 2019, 대한환경공학회 학술발표논문집 |
JANTHARADEJ, Krittayapong., MHUANTONG, Wuttichai., LIMPIYAKORN, Tawan., MONGKOLSUK, Skorn., SIRIKANCHANA, Kwanrawee., SUWANNASILP, Benjaporn. Characterization of Microbial Communities in Anaerobic Bioreactors in Industrial Wastewater Treatment Plants in Thailand 2019, 旭硝子財団助成研究成果報告= Reports of research assisted by the Asahi Glass Foundation |
Niyom, W., Komolyothin, D., Suwannasilp, BB. Important role of abiotic sulfide oxidation in microbial fuel cells treating high-sulfate wastewater 2018, Engineering journal 22 (4) |
Woraittinun, Naleumon., Boonchayaanant, Benjaporn. polyhydroxyalkanoate production from different carbon substrates using sludge from a wastewater treatment plant: Microbial communities, polymer compositions, and thermal characteristics 2017, Environmental Progress & Sustainable Energy 36 |
Bun, Saret., Chawaloesphonsiya, Nattawin., Ermukdakul, Thanakorn., Pungrasmi, Wiboonluk., Boonchayaanant, Benjaporn., Painmanakul, Pisut. Suspended solid and nitrate removal from aquaculture system wastewater by different approaches 2017, Desalination and Water Treatment 81 |
Tangkitjawisut, Wipasanee., Limpiyakorn, Tawan., Powtongsook, Sorawit., Pornkulwat, Preeyaporn., Boonchayaanant, Benjaporn. Differences in nitrite-oxidizing communities and kinetics in a brackish environment after enrichment at low and high nitrite concentrations 2016, Journal of Environmental Sciences 42 |
Sangcharoen, A., Niyom, W., Suwannasilp, BB. A microbial fuel cell treating organic wastewater containing high sulfate under continuous operation: Performance and microbial community 2015, Process Biochemistry 50 (10) |
Mhuantong, Wuttichai., Wongwilaiwalin, Sarunyou., Laothanachareon, Thanaporn., Eurwilaichitr, Lily., Tangphatsornruang, Sithichoke., Boonchayaanant, Benjaporn., Limpiyakorn, Tawan., Pattaragulwanit, Kobchai., Punmatharith, Thantip., McEvoy, John., Khan, Eakalak., Rachakornkij, Manaskorn., Champreda, Verawat. Survey of microbial diversity in flood areas during Thailand 2011 flood crisis using high-throughput tagged amplicon pyrosequencing 2015, PloS one 10 |
Charoanwoodtipong, T., Limpiyakorn, T., Suwannasilp, BB. Kinetics of ammonia-oxidizing microorganisms and nitrite-oxidizing bacteria enriched at high and low ammonia concentrations 2015, Proceedings of the 3rd International Conference on Biological |
Khumwanich, P., Napathorn, SC., Suwannasilp, BB. Polyhydroxyalkanoate production with a feast/famine feeding regime using sludge from wastewater treatment plants of the food and beverage industry 2014, Journal of Biobased Materials and Bioenergy 8 (6) |
Ermukdakul, Thanakorn., CHAWALOESPHONSIYA, Nattawin., Boonchayaanant, Benjaporn., Pungrasmi, Wiboonluk., Painmanakul, Pisut. Different approaches for the separation of suspended solids in aquaculture system 2013, Journal of Water and Environment Technology 11 |
Boonchayaanant, B., Wangsaviboon, S., Pungrasmi, W., Khaodhiar, S. Sulfate supplements enhance the decolorization of an azo dye acid red 18 in anaerobic baffled reactors 2013, Environmental Progress & Sustainable Energy 32 (4) |
Boonchayaanant, Benjaporn., Juntalasiri, Chalathip. Decolorization of Azo Dyes in Anaerobic Baffled Reactors Under Sulfate-Reducing Conditions 2013, 旭硝子財団助成研究成果報告= Reports of research assisted by the Asahi Glass Foundation |
Du, X., Boonchayaanant, B., Wu, WM., Fendorf, S., Bargar, J., Criddle, CS. Reduction of uranium (VI) by soluble iron (II) conforms with thermodynamic predictions 2011, Environmental science & technology 45 (11) |
Criddle, C., Wu, W., Bargar, J., Fendorf, S., Kitanidis, PK., Du, X., Boonchayaanant, B., Luo, J., Carley, J., Kelly, SD., Kemner, KM., Brooks, SC., Watson, DB., Jardine, PM. Field-and Laboratory-Scale Evaluation of Uranium Sequestration: The Role of Sulfur and Iron Species 2011, AGU Fall Meeting Abstracts 2011 |
Boonchayaanant, B., Gu, B., Wang, W., Ortiz, ME., Criddle, CS. Can microbially-generated hydrogen sulfide account for the rates of U (VI) reduction by a sulfate-reducing bacterium? 2010, Biodegradation 21 |
Boonchayaanant, B., Nayak, D., Du, X., Criddle, CS. Uranium reduction and resistance to reoxidation under iron-reducing and sulfate-reducing conditions 2009, Water Research 43 (18) |
Fu, QS., Boonchayaanant, B., Tang, W., Trost, BM., Criddle, CS. Simple menaquinones reduce carbon tetrachloride and iron (III) 2009, Biodegradation 20 |
Boonchayaanant, B. Biogeochemistry of Uranium Reduction and Reoxidation 2009, Stanford University |
Boonchayaanant, B., Kitanidis, PK., Criddle, CS. Growth and cometabolic reduction kinetics of a uranium‐ and sulfate‐reducing Desulfovibrio/Clostridia mixed culture: Temperature effects 2008, Biotechnology and Bioengineering 99 (5) |
Lohwacharin, KHJ., Suwannasilp, B. Effects of Polyvinyl Alcohol Gel Beads in the Methanogenic Reactor on Performance Improvement of Two Stage Thermophilic Anaerobic Bioreactor , |
Niyom, W., Komolyothin, D., Suwannasilp, BB. Performances of Microbial Fuel Cells Treating Organic Wastewater at Various COD: sulfate ratio , |