Asst.Prof.Dr. Weerawut Chaiwat

Office

Room 310/11, 3rd floor, Engineering Building 1

Phone

(02)889-2138 ext 6101-3

Email

weerawut.cha@mahidol.edu

Education

D.Eng., Chemical Engineering, Kyoto University, Kyoto, Japan (2007-2010)

M.Eng., Chemical Engineering, Kyoto University, Kyoto, Japan (2005-2007)

B. Eng., Chemical Engineering, Chulalongkorn University, Bangkok, Thailand (1998-2003)

Coursework

Undergraduate Program

EGCH 408 Chemical Process Safety (2020-present)

EGCH 370 Environmental Chemical Engineering (2020-present)

Graduate Program

EGCH 667 Renewable Energy and Biofuels (2020-present)

Research Focus

  • Thermo-chemical conversion and pretreatment such as pyrolysis, gasification, combustion, and torrefaction of agricultural and woody biomass to produce bio-fuels
  • Synthesis and applications of carbon nanoparticles and activated carbons from petroleum and petrochemical hydrocarbon wastes and biomass residues
  • Plasma and photocatalytic processes for food product and environmental treatment

Selected Publications

  • Chaiwat, W., Kaewtrakulchai, N., Sangsiri, P., Eiad-ua, A., Wongwiriyapan, W., Viriya-empikul, N., Suttiponpanit, K., Charinpanitkule, T. Dependence of MWCNT production via co-pyrolysis of industrial slop oil and ferrocene on growth temperature and heating rate, Journal of Analytical and Applied Pyrolysis, 150 (2020) 104870.
  • Xiong, Z., Guo, J., Chaiwat, W., Deng, W., Hu, X., Han, H., Chena, Y., Xu, K., Su, S., Hu, S., Wang, Y., Xiang, J. Assessing the chemical composition of heavy components in bio-oils from the pyrolysis of cellulose, hemicellulose and lignin at slow and fast heating rates, Fuel Processing Technology, 199 (2020), 106299 (1–8).
  • Deng, W., Xu, K., Xiong, Z., Chaiwat, W., Wang, X., Su, S., Hu, S., Qiu, J., Wang, Y., Xiang, J., Evolution of aromatic structures during the low-temperature electrochemical upgrading of bio-oil, Energy & Fuels, 33 (2019), 11292–11301.
  • Srifa, A., Chaiwat, W., Pitakjakpipop, P., Anutrasakda, W., Faungnawakij, K. Chapter 6 – Advances in bio-oil production and upgrading technologies, in: M. Rai, A.P. Ingle (Eds.) Sustainable Bioenergy, Elsevier2019, pp. 167-198.
  • Chaiwat, W., Wongsagonsup, R., Tangpanichyanon, N., Jariyaporn, T., Deeyai, P., Suphantharika, M., Fuongfuchat, A., Nisoa, M., Dangtip, S., Argon plasma treatment of tapioca starch using semi-continuous downer reactor, Food and Bioprocess Technology, 9 (2016) 1125–1134.
  • Li, X., Gunawan, R., Wang, Y., Chaiwat, W., Hu, X., Gholizadeh, M., Mourant, D., Bromly, J., Li, C-Z., Upgrading of bio-oil into advanced biofuels and chemicals. Part III. Changes in aromatic structure and coke forming propensity during the catalytic hydrotreatment of fast pyrolysis bio-oil with Pd/C catalyst, Fuel, 116 (2014), 642-629.
  • Chaiwat, W., Gunawan, R., Gholizadeh, M., Li, X., Lievens, C., Hu, X., Wang, Y., Mourant, D., Rossiter, A., Bromly, J., Li, C-Z. Upgrading of bio-oil into advanced biofuels and chemicals. Part II. Importance of holdup of heavy species to the observed product distribution during the hydrotreatment of bio-oil in a continuous packed-bed catalytic reactor, Fuel, 112 (2013) 302–310.
  • Gunawan, R., Li, X., Lievens, C., Gholizadeh, M., Chaiwat, W., Hu, X., Mourant, D., Li, C-Z., Upgrading of bio-oil into advanced biofuels and chemicals. Part I. Transformation of GC-detectable light species during the hydrotreatment of bio-oil using Pd/C catalyst, Fuel, 111 (2013), 709-717.
  • Chaiwat, W., Hasegawa, I., Tani, T., Sunagawa, K., Mae, K. Analysis of cross-linking behavior during pyrolysis of cellulose for elucidating reaction pathway, Energy & Fuels, 23 (2009) 5765–5772.
  • Chaiwat, W., Hasegawa, I., Kori, J., Mae, K. Examination of degree of cross-linking for cellulose precursors pretreated with acid/hot water at low temperature, Industrial & Engineering Chemistry Research, 47 (2008) 5948–5956.

Conferences

  • Chaiwat, W., Ohgaki, H., Miura, K., Worasuwannarak, N., “Examination of Propensity to Spontaneous Heating of Severely Torrefied Biomass Using TG-DSC under Isothermal Oxidation with Dry Air and Water Vapor at Low-temperature,” 7th Sino-Australian Symposium on Advanced Coal and Biomass Utilisation Technologies, Wuhan, China (2019).
  • Chaiwat, W., Inthapat, P., Vinijsanun, T., Ohgaki, H., Miura, K., Worasuwannarak, N., “The Effect of Hemicellulose, Cellulose, and Lignin on Fuel Properties and Propensity to Spontaneous Heating of Biomasses Pretreated under Severe Torrefaction,” 7th Sino-Australian Symposium on Advanced Coal and Biomass Utilisation Technologies, Wuhan, China (2019).
  • Chaiwat, W., Inthapat, P., Vinijsanun, T., Worasuwannarak, N., “Effect of Chemical Composition of Agricultural Wastes on Fuel Properties of Torrefied Biomass,” 2017 International Conference on Coal Science & Technology and 2017 Australia-China Symposium on Energy (2017 ICCS&T and 2017 ACSE), Beijing, China (2017).
  • Chaiwat, W., Thonganatakul, O., Vaewhongs, P., Charinpanitkul, T., Suttiponparnit, K., “Conversion of Kerosene to Carbon Nanotubes via Co-pyrolysis with Ferrocene,” Carbon 2017, Melbourne, Australia (2017).
  • Chaiwat, W., Kaewtrakulchai, N., Sangsiri, P., Chobsilp, T., Eiad-ua, A., Wongwiriyapan, W., Viriyaempikul, N., Charinpanitkul, T., Suttiponpanit, K., “Conversion of Petrochemical Hydrocarbon Wastes to Carbon Nanotubes and Its Applications,” International Symposium on the Education & Research of the Global Environmental Studies in Asia & The 11th Inter-University Workshop on Education and Research Collaboration in Indochina Region, Nakhon Pathom, Thailand (2016).

Awards and recognition

  • Research grant from National Research Council of Thailand (NRCT) on a project title of

“A comparative study on fuel properties and pyrolysis behavior of biomass pallets with pre-and post-torrefaction (Phase 1)” (2018-2020).

  • TRF grant for new scholar (MRG5980194) granted by Thailand Research Fund (TRF) on a project title of “A Comparative Study on the Effect of Structural Composition on the Torrefaction of Biomass Wastes”. (2016-2018).
  • The Best Poster Presentation (Young Researchers) Award, Chaiwat, W., Kaewtrakulchai, N., Sangsiri, P., Chobsilp, T., Eiad-ua, A., Wongwiriyapan, W., Viriyaempikul, N., Charinpanitkul, T., Suttiponpanit, K., “Conversion of Petrochemical Hydrocarbon Wastes to Carbon Nanotubes and Its Applications,” International Symposium on the Education & Research of the Global Environmental Studies in Asia & The 11th Inter-University Workshop on Education and Research Collaboration in Indochina Region, Nakhon Pathom, Thailand (2016).
  • The Best Oral Presentation Award, Chaiwat, W., Janjarasskul, T., Eiad-ua, A., Viriya-empikul, N., Charinpanitkul, T., Suttiponpanit, K., “Synthesis of Carbon Nanoparticles via Co-pyrolysis of Waste Slop Oil and Ferrocene,” International Conference on “Safe and Sustainable Nanotechnology” (in a conjunction with 4th German-Thai Symposium on Nanoscience and Nanotechnology), Phitsanulok, Thailand (2014).
  • Monbukagakusho Scholarship granted by Ministry of Education, Culture, Sports, Science and Technology, Japanese Government (2004-2010).
  • AIEJ (At present, JASSO) Scholarship granted by Ministry of Education, Culture, Sports,Science and Technology, Japanese Government (2001-2002).

Professional Profile

  • Visiting scholar, State Key Laboratory of Coal Combustion (SKLCC), Huazhong University of Science and Technology (HUST), Wuhan, China, 2019-2020
  • Visiting scholar, Institute of Advanced Energy, Kyoto University, Japan, Jan-Mar 2019
  • Postdoctoral research fellow, Fuels and Energy Technology Institute (FETI), Curtin University, Perth, Western Australia, Australia, 2010-2012