faculty & staff
Dr. Alfafara received his BS Chemical Engineering (magna cum laude) from the University of San Carlos; his MS Environmental Engineering from the Asian Institute of Technology in Bangkok; and his PhD Fermentation Technology from Osaka University. He is a registered chemical engineer with graduate degrees in Environmental Engieering and in Fermentation Technology. His research interests include biological wastewater treatment, environmental engineering and biochemical engineering. He has special interests in electrochemical processes for wastewater treatment and optimizaiton/scale-up of fermentation processes.
Research Interests: Biological Wastewater Treatment, Fermentation Technology, Data Science
Google Scholar URL: https://scholar.google.com/citations?user=0kaf0mwAAAAJ&hl=en
Academic History
selected publications
Dañez, J.C.A., Requiso, P.J., Alfafara, C.G., Nayve, F.R.P. Jr, Ventura, J.S. (2020). Optimization of Fermentation Factors for Polyhydroxybutyrate (PHB) Production Using Bacillus megaterium PNCM 1890 in Simulated Glucose-Xylose Hydrolysates from Agricultural Residues. Philippine Journal of Science 149 (1): 163-175.
Mabazza, K.A.A., Requiso, P.J., Alfafara, C.G., Nayve, F.R.P. Jr, Ventura, J.S. (2020). Steam Explosion and Sequential Steam Explosion–Dilute Acid Pretreatment Optimization of Banana Pseudostem for Polyhydroxybutyrate (PHB) Production. Philippine Journal of Science 149 (2), 259-271
Laurio, M.V., Velandres, J., Alfafara, C.G., Migo, V.P., Detras, M.C.M., (2020). Potentiostatic Electrodeposition as an Option to the Traditional Recovery of Silver in Artisanal Gold Smelting Wastewater in Bulacan, Philippines. Philippine Engineering Journal 41 (1)
Migo-Sumagang, M. V. P., Maguyon-Detras, M. C., Gummert, M., Alfafara, C. G., Borines, M. G., Capunitan, J. A., & Van Hung, N. (2020). Rice-Straw-Based Heat Generation System Compared to Open-Field Burning and Soil Incorporation of Rice Straw: An Assessment of Energy, GHG Emissions, and Economic Impacts. Sustainability, 12(13), 5327. doi:10.3390/su12135327
Migo-Sumagang, M.V.P., Hung, N.V., Detras, M.C.M., Alfafara, C.G.,.Borines, M.G., Capunitan, J.A., Gummert, M., (2020). Optimization of a downdraft furnace for rice straw-based heat generation. Renewable Energy 148:953-963. https://doi.org/10.1016/j.renene.2019.11.001
Soriano, V.J., Migo, V.P., Maguyon-Detras, M.C., Alfafara, C.G. (2019). Characteristics and Kinetics of Phosphorus Release from Formulated Fertilizer in Clay Loam SoiL. KIMIKA 30 (2), 1-4
Parañaque, J.E.L., Maguyon-Detras, M.C., Migo, V.P., and. Alfafara, C.G. (2020). Chromium removal from chrome-tannery effluent after alkaline precipitation by adsorption using municipal solid.waste-derived activated biochar. IOP Conf. Series: Materials Science and Engineering 778 (2020) 012134 IOP Publishing doi:10.1088/1757-899X/778/1/012134
Castillo, K.J.T., Maguyon-Detras, M.C., Migo, V.P., and Alfafara, C.G. (2020). Parametric and optimization studies for biochar production from municipal solid wastes (MSW) via pyrolysis. IOP Conf. Series: Materials Science and Engineering 778 (2020) 012134 IOP Publishing doi:10.1088/1757-899X/778/1/012078
Catli, N.B.J., Migo, V.P., Alfafara, C.G., Maguyon- Detras, M.C. and Brutas, C.C.P. (2020). Optimization of the production of a complete fertilizer formulation by batch impregnation using clinoptilolite zeolite . as carrier. IOP Conf. Series: Materials Science and Engineering 778 (2020) 012134 IOP Publishing doi:10.1088/1757-899X/778/1/012066
Chiam, P.C., Maguyon Detras, M.C., Migo, V.P., and Alfafara, C.G. (2020). Parametric and optimization studies on the production of nanoscale biochar-NPK fertilizer using sugarcane bagasse-derived biochar as carrier. IOP Conf. Series: Materials Science and Engineering 778 (2020) 012134 IOP Publishing doi:10.1088/1757-899X/778/1/012079
Revilla, P.N.D., Maguyon-Detras, M.C., Migo, V.P., and Alfafara, C.G. (2020). Nitrate removal from aqueous solution by adsorption using municipal solid waste-derived activated biochar. IOP Conf. Series: Materials Science and Engineering 778 (2020) 012134 IOP Publishing doi:10.1088/1757-899X/778/1/012135
Migo, V.P., Mendoza, M.D., Alfafara, C.G., Pulhin, J.M. (2018). Industrial Water Use and the Associated Pollution and Disposal Problems in the Philippines. Water Policy in the Philippines, 87-116, Springer, Germany.
Requiso, P.J., Alfafara, C.G., Nayve, F.R.P. Jr., Ventura, R.L.G., Escobar, E.C., Ventura, J.S. (2018). Agricultural residue feedstock selection for polyhydroxyalkanoates production using AHP-GRA. Philippine Journal of Science 147 (4), 693-709
Courses Taught
ChE 31 – Introduction to Chemical Engineering (old curriculum)
ChE 145 – Chemical Reaction Engineering
ChE 172 – Introduction to Biochemical Engineering
ChE 282 – Physico-Chemical Wastewater Treatment Design
ChE 283 – Biological Wastewater Treatment Design
ChE 288 – Hazardous Waste Management
MBB 240 – Industrial Biotechnology (Lecture)
MBB 295 – Environmental Biotechnology (Team Teaching)
Chem 177 – Biochemical Technology