Asst. Prof. Dao Suwansang Janjaroen

Assistant Professor Dr. Dao Suwansang Janjaroen

E-mail: daosjanjaroen@gmail.com

Education

Ph.D.        Environmental Engineering, University of Illinois at Urbana-Champaign (2013)
M. Eng     Environmental Engineering, University of Illinois at Urbana-Champaign (2009)
B. Eng:      Environmental Engineering, Chulalongkorn University (2007)

Risk in the Future

  • Resource limitation
  • Waste and hazardous waste generation
  • Contamination from existing unmanaged waste treatment facilities

Vulnerability

  • Overwhelming natural resources consumption by human
  • Depletion of natural resources
  • Limited ability to adapt to changes
  • Adverse impacts from water/soil/air contamination from unmanaged waste treatment facilities

Research

  • Waste and hazardous waste utilization
  • Waste management 
  • Water and wastewater treatment from unmanaged waste treatment facilities

Research Interest

  • Waste and hazardous waste utilization
  • Waste management 
  • Water and wastewater treatment from unmanaged waste treatment facilities

Employment History

  • 2013 – ongoing        Assistant professor, Department of Environmental Engineering, Chulalongkorn University, Thailand

Publication

Juntarasakul, Onchanok., Julapong, Pongsiri., Srichonphaisarn, Palot., Meekoch, Thidarat., Janjaroen, Dao., Baltazar, Carlito., Phengsaart, Theerayut. Weave structures of polyester fabric affect the tensile strength and microplastic fiber emission during the laundry process 2025, Scientific Reports 15

Pit, S., Sangpreedeekorn, J., Phengsaart, T., Janjaroen, D. Effect of UV-degraded microplastics on Dissolved Air Flotation (DAF) removal 2025, E3S Web of Conferences 612

Pongpunpurt, Pavinee., Chawaloesphonsiya, Nattawin., Poyai, Thaksina., Guiraud, Pascal., Ligia Tiruta-Barna, Rungsithong, Rapeeporn., Leknoi, Unruan., Janjaroen, Dao., Painmanakul, Pisut. Exploring the circular business model for sustainable plastic waste management in shopping malls: Challenges, opportunities, and impacts in Thailand 2024,

Manochkumar, Janani., Jonnalagadda, Annapurna., Kumar, Aswani., Vannier, Brigitte., Janjaroen, Dao., Ramamoorthy, Siva. Enhancing cellular production of fucoxanthin through machine learning assisted predictive approach in Isochrysis galbana 2024, bioRxiv

Manochkumar, Janani., Jonnalagadda, Annapurna., Kumar, Aswani., Vannier, Brigitte., Janjaroen, Dao., Chandrasekaran, Rajasekaran., Ramamoorthy, Siva. Machine learning-based prediction models unleash the enhanced production of fucoxanthin in Isochrysis galbana 2024, Frontiers in Plant Science 15

Muthuraja, Raji., Ou, Bunlong., Thangavelu, Muthukumar., Nayahi, Thaiyal., Chittamart, Natthapol., Janjaroen, Dao. Effects of particle size and aging on heavy metal adsorption by polypropylene and polystyrene microplastics under varying environmental conditions 2024, Chemosphere 369

Muthuraja, Raji., Na, Chatpong., Ganesan, Sunantha., Attaphong, Chodchanok., Morawan, Nattaya., Vicheanteab, Juckrit., Janjaroen, Dao. Assessment and classification of different ashes from waste incinerators in Thailand 2024, Results in Engineering 24

Narhayanan, TN., Ou, B., Janjaroen, D. Does short-span chemical oxidation induce more weathering than prolonged thermal aging on polypropylene microplastics? Its consequence during the interaction with cadmium 2024, Journal of Environmental Chemical Engineering 12 (6)

Annamalai, Jayshree., Ganesan, Sunantha., Murugan, Karuvelan., Janjaroen, Dao. Recent breakthroughs set by fungal enzymes in the biosynthesis of nanoparticles 2023,

Ganesan, S., Dangrit, S., Janjaroen, D. Long-term arsenate removal by an iron-amended biosand filter: Modes of operation according to groundwater composition 2023, Journal of Environmental Chemical Engineering 11 (3)

JANJAROEN, DS. Metal recovery from municipal solid waste fly ash using sulfur-oxidizing bacteria 2023, Report of Grant-Supported Research The Asahi Glass Foundation 92

Ganesan, S., Ruendee, T., Kimura, SY., Chawengkijwanich, C., Janjaroen, D. Effect of biofilm formation on different types of plastic shopping bags: Structural and physicochemical properties 2022, Environmental Research 206

Nayahi, NT., Ou, B., Liu, Y., Janjaroen, D. Municipal solid waste sanitary and open landfills: Contrasting sources of microplastics and its fate in their respective treatment systems 2022, Journal of Cleaner Production 380

Ganesan, S., Chawengkijwanich, C., Gopalakrishnan, M., Janjaroen, D. Detection methods for sub-nanogram level of emerging pollutants–Per and polyfluoroalkyl substances 2022, Food and Chemical Toxicology 168

Ganesan, Sunantha., Limphattharachai, Supanun., Chawengkijwanich, Chamorn., Liu, Yuanyuan., Janjaroen, Dao. Influence of salinity on biofilm formation and COD removal efficiency in anaerobic moving bed biofilm reactors 2022, Chemosphere 304

Ganesan, S., Janjaroen, D. Sustainable utilization of unavoidable food waste into nutritional media for the isolation of bacterial culture for the removal of heavy metals 2022, Bioresource Technology 363

Morawan, Nattaya., Vicheanteab, Juckrit., Attaphong, Chodchanok., Na, Chatpong., Thushari, Indika., Janjaroen, Dao. Material Flow Analysis of Municipal Solid Waste Management: A Case Study in Samut Prakarn Province, Thailand 2021, 10th International Conference of Environmental Engineering Association, May

Dontriros, S., Likitlersuang, S., Janjaroen, D. Mechanisms of chloride and sulfate removal from municipal-solid-waste-incineration fly ash (MSWI FA): Effect of acid-base solutions 2020, Waste Management 101

Thushari, I., Vicheanteab, J., Janjaroen, D. Material flow analysis and life cycle assessment of solid waste management in urban green areas, Thailand 2020, Sustainable Environment Research 30

Wasino, R., Likitlersuang, S., Janjaroen, D. The performance of vetivers (Chrysopogon zizaniodes and Chrysopogon nemoralis) on heavy metals phytoremediation 2019, International journal of phytoremediation 21 (7)

Leelarungroj, K., Likitlersuang, S., Chompoorat, T., Janjaroen, D. Leaching mechanisms of heavy metals from fly ash stabilised soils 2018, Waste Management & Research 36 (7)

Janjaroen, D., Dilokdumkeng, P., Jhandrta, P. Effect of water hardness and pH on adsorption kinetic of arsenate on iron oxide 2018, Engineering Journal 22 (2)

Shen, Yun., Huang, Conghui., L, Guillermo., Janjaroen, Dao., Derlon, Nicolas., Lin, Jie., Rosa Espinosa-Marzal, Morgenroth, Eberhard., A, Stephen., J, Nicholas., Wen-Tso Liu, H, Thanh. Response of simulated drinking water biofilm mechanical and structural properties to long-term disinfectant exposure 2016, Environmental science & technology 50

Janjaroen, D. Biosand filter (BSF): Types and mechanisms behind its efficiency 2016, Applied Environmental Research 38 (3)

Shen, Yun., L, Guillermo., Derlon, Nicolas., Janjaroen, Dao., Huang, Conghui., Morgenroth, Eberhard., A, Stephen., J, Nicholas., Wen-Tso Liu, H, Thanh. Role of biofilm roughness and hydrodynamic conditions in Legionella pneumophila adhesion to and detachment from simulated drinking water biofilms 2015, Environmental science & technology 49

Janjaroen, Dao., Ling, Fangqiong., Monroy, Guillermo., Derlon, Nicolas., Mogenroth, Eberhard., A, Stephen., Wen-Tso Liu, H, Thanh. Roles of ionic strength and biofilm roughness on adhesion kinetics of Escherichia coli onto groundwater biofilm grown on PVC surfaces 2013, water research 47

Janjaroen, DS. Role of disinfectants and pipe materials on bacterial adhesion onto biofilms 2013, University of Illinois at Urbana-Champaign

Janjaroen, D., Liu, Y., Kuhlenschmidt, MS., Kuhlenschmidt, TB., Nguyen, TH. Role of Divalent Cations on Deposition of Cryptosporidium parvum Oocysts on Natural Organic Matter Surfaces 2010, Environmental science & technology 44 (12)

Liu, Yuanyuan., Janjaroen, Dao., S, Mark., B, Theresa., H, Thanh. Deposition of Cryptosporidium parvum oocysts on natural organic matter surfaces: microscopic evidence for secondary minimum deposition in a radial stagnation point flow cell 2009, Langmuir 25

Janjaroen, D., Nguyen, TH. Role of macromolecules on aggregation size of titanium dioxide nanoparticles 2008, ACS

Muthuraja, Raji., Na, Chatpong., Ganesan, Sunantha., Attaphong, Chodchanok., Morawan, Nattaya., Vicheanteab, Juckrit., Janjaroen, Dao. Results in Engineering ,

Juckrit, V., Thushari, I., Janjaroen, D. Material Flow Analysis of Solid waste in Chulalongkorn University Centenary Park ,