Associate Professor 4



Department of Chemical Engineering, College of Engineering and Agro-Industrial Technology, University of the Philippines Los Baños, College, Laguna (Tel # +63 (049) 536-2315)

Email Address: [email protected]


Year Degree University
2013 PhD Biological and Agricultural Engineering Texas A&M University, Texas, USA
2007 MS Chemical Engineering (minor in Food Science) University of the Philippines Los Baños
2002 BS Chemical Engineering (major in Sugar Technology) University of the Philippines Los Baños


Bioethanol production; Wastewater Treatment; Biomass and By-products Utilization

PUBLICATIONS: (Google Scholar Page)

MG Borines, RB Demafelis, JA Capunitan, LSH Dizon, RJB Landoy, RC Rodriguez. 2020. Effects of Dehydration on the Bioactive Compounds of Waste Onion Leaves. Philippine Journal of Crop Science (PJCS), 45 (1):1-10

MVP Migo-Sumagang, MC Maguyon-Detras, M Gummert, CG Alfafara, MG Borines, JA Capunitan, NV Hung. 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, MDPI. 12(13), 5327

MVP Migo-Sumagang, NV Hung, MCM Detras, CG Alfafara, MG Borines, JA Capunitan, M Gummert. 2020. Optimization of a downdraft furnace for rice straw-based heat generation. Renewable Energy. Volume 148, April 2020, Pages 953-963.

Capunitan, A., M.E. Bambase, Jr., M.G.Borines, R.B.Demafelis, J.L. Movillon, N.C.R. Abarquez, G.L. Condecion, A.A. Garcia, and G.A O. Paz. 2018. Thermal Decarboxylation Of Coconut Oil Using Different Catalysts. Philippine Journal of Crop Science (PJCS) Special issue December 2018:77-86

C.J Requiero, M.C. Maguyon-Detras, J.A.Capunitan and C.G. Alfafara. 2018. Parametric Analysis of Pyrolysis Conditions For Yield and Physico-Chemical Characteristics of Biochar From Waste Cacao Pod Husk. Philippine Journal of Crop Science (PJCS) Special issue December 2018:42-51

Bautista, R.P., Movillon, J.L., Mercado, S.M., Demafelis, R.B., Dorado, M.A., Bambase Jr., M.E., and A. Capunitan. 2015. Effect of Thermal Treatment on the Disinfection of Infectious Waste by Fry-Drying Method Using Vegetable Oil. Journal of Environmental Science and Management. Vol. 18, No. 2, pp. 23-32.

Capunitan, J.A. and S.C. Capareda. 2014. Hydrotreatment of corn stover bio-oil using noble metal catalysts. Fuel Processing Technology. Vol. 125, pp. 190–199.

Capunitan, J.A. and S.C. Capareda. 2013. Characterization and separation of corn stover bio-oil by fractional distillation. Fuel. Vol. 112, pp. 60-73.

Capunitan, J.A. and S.C. Capareda. 2012. Assessing the potential for biofuel production of corn stover pyrolysis using a pressurized batch reactor. Vol. 95, pp. 563-572.

Bambase, M.E. Jr., Demafelis, B., Vibal, R.E., Escobar, E.C., Revellame, E.D., Capunitan, J.A. and L.S.H. Dizon. 2011. Transesterification of Jatropha curcas l. oil with petroleum ether as dispersal medium. The Philippine Journal of Crop Science. Vol. 36, No. 2, pp. 48-55.

Capunitan, J.A., Alfafara, C.G., Migo, V.P., Movillon, J.L., Dizon, E.I. and M. Matsumura. 2008. Decolorization and chemical oxygen demand (COD) reduction of sugar refinery spent ion-exchange-process (SIEP) effluent by electrochemical treatment methods. The Philippine Agricultural Scientist. 91, No. 4, pp. 416-425.

Aguila, J. R., Valencia, S.A., Alfafara, C.G., and A. Capunitan. 2007. Treatment of wastewater from a polymer lens manufacturing plant using Fenton’s process. PIChE Journal. Vol. 10, No.1.


Course Code Course Title
ChE 30 Fundamentals of Chemical Engineering
ChE 31 Introduction to Chemical Engineering
ChE 32 Industrial Stoichiometry
ChE 152 Separation Processes
ChE 154 Transfer Operations II
ChE 170 Process Control and Instrumentation
SUTC 170 Instrumentation and Process Control Application to Sugar Industries
SUTC 171 Sugarcane By-products Utilization and Sucro-chemistry
SUTC 181 Waste Management in the Sugar Industry
ChE 204 Mathematical Methods for Chemical Engineering Analysis
MBB 240 Industrial Biotechnology (Lecture)


Member, Philippine Institute of Chemical Engineers

Member, American Society of Agricultural and Biological Engineers

Alumni, UPLB Society of Chemical Engineering Students