Associate Professor



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
2014 PhD Environmental Engineering Myongji University, South Korea
2009 MS Environmental Engineering Myongji University, South Korea
2006 BS Chemical Engineering University of the Philippines Los Baños


Water and Wastewater Treatment; Seawater Desalination; Membrane Technology


PUBLICATIONS: (Google Scholar Page)

Eusebio, R.C., Razote, B.J., Del Pilar, H.J., Alorro, R., Beltran, A., Orbecido, A. Evaluation of the leaching characteristics of low-grade nickel laterite waste rock for indirect carbon sequestration application. Geosystem Engineering, 23-4 (2020) 205-215.

Bautista-Patacsil, L., Ligaray, M., Sayao, J.P., Belosillo, J.R., Eusebio, R.C., Orbecido, A., Beltran, A. Fabrication of Forward Osmosis Membrane using Nata-de-Coco as Raw Materials for Desalination. Taiwan Water Conservancy, 68-1 (2020) 36-43.

Bautista-Patacsil, L., Lazarte, J.P.L., Dipasupil, R.C., Pasco, G.Y., Eusebio, R.C., Orbecido, A., Doong, R. Deionization utilizing reduced graphene oxide-titanium dioxide nanotubes composite for the removal of Pb2+ and Cu2+. Journal of Environmental Chemical Engineering, 8-3 (2020) 103063.

Alberto, E.L., de Ocampo, A.N., Depasupil, C.G., Ligaray, M., Eusebio, R.C., Orbecido, A., Beltran, A., Bautista-Patacsil, L. Desalination performance of a forward osmosis membrane from acetylated nata de coco (bacterial cellulose).  AIP Conference Proceedings, 2124 (2019) 020025:1-11.

Alberto, E.L., de Ocampo, A.N., Depasupil, C.G., Ligaray, M., Eusebio, R.C., Orbecido, A., Beltran, A., Patacsil, L. Acetylation of Nata de coco (bacterial cellulose) and membrane formation. MATEC Web of Conferences, 268 (2019) 06016:1-4.

Damalerio, R., Belo, L., Orbecido, A., Pausta, C.M., Promentilla, M.A., Razon, L., Eusebio, R.C., Saroj, D., Beltran, A. Phosphorus recovery from wastewater and sludge. MATEC Web of Conferences, 268 (2019) 06016:1-4.

Lazarte, J.P., Bautista-Patacsil, L., Eusebio, R.C., Orbecido, A., Doong, R. Sustainable Desalination by   3:1 Reduced Graphene Oxide/Titanium Dioxide Nanotubes (rGO/TiONTs) Composite via Capacitive Deionization at Different Sodium Chloride Concentrations. Nanomaterials, 9 (2019) 1319: 1-13.

Razote, B.J., Maranan, M.K., Eusebio, R.C., Alorro, R., Beltran, A., Orbecido, A. Determination of the Carbon Dioxide Sequestration Potential of a Nickel Mine Mixed Dump through Leaching Tests. Energies, 12 (2019) 2877:1-19.

Eusebio, R.C., Ventura, R.L., Promentilla, M.A., Ventura, J. Macroalga Specie Prioritization for Sustainable Bioethanol Production using Calibrated Fuzzy AHP and Grey Relational Analysis. Philippine Journal of Crop Science, 43 (2018) 65-76.

Belo, L., Orbecido, A., Beltran, A., Vallar, E., Galvez, M.C., Eusebio, R.C., Ledesma, N., Deocaris, C. Water Quality Assessment of Meycauayan River, Bulacan, Philippines (Research Note). Sylvatrop, 28 (2018) 123-140.

Dang, N., Patacsil, L., Orbecido, A., Eusebio, R.C., Beltran, A. Evaluation of Bacterial Cellulose-Sodium Alginate Forward Osmosis Membrane for Water Recovery. Jurnal Teknologi. 80-3/2 (2018) 37-43.

Garing, C., Arabit, J., Elec, L.C., Eusebio, R.C., Ventura, R.L., Escobar, E., Ventura, J. Magnetic Citric Acid-Modified Cellulose for the Removal of Copper Ions from Aqueous Solution. Mater. Sci. Forum, 934 (2018) 181-186.

Ignacio, J.J., Malenab, R.A., Pausta, C.M., Beltran, A., Belo, L., Tanhueco, R.M., Era, M., Eusebio, R.C., Promentilla, M.A., Orbecido, A. Perceptions and Attitudes Toward Eco-Toilet Systems in Rural Areas: A Case Study in the Philippines. Sustainability, 10-2 (2018) 521.

Lazarte, J., Dipasupil, R., Pasco, G., Eusebio, R., Orbecido, A., Doong, R., Bautista-Patacsil, L. Synthesis of Reduced Graphene Oxide/Titanium Dioxide Nanotubes (rGO/TNT) Composites as an Electrical Double Layer Capacitor. Nanomaterials, 8-11 (2018) 934.

Pausta, C.M., Eusebio, R.C., Beltran, A., Huelgas-Orbecido, A., Promentilla, M.A. A decision modelling approach for selection of biological nutrient removal systems for wastewater. MATEC Web of Conferences. 156 (2018) 03013.

Pausta, C.M., Huelgas-Orbecido, A., Beltran, A., Eusebio, R.C., Ignacio, J.J., Promentilla, M.A. Selection of Optimum Biological Nutrient Removal (BNR) System for Urban Areas’ Wastewater Treatment Plants using Analytical Network Process (ANP). Research Congress Proceedings, 5 (2017) 18:1-6.

Eusebio, R.C., Huelgas-Orbecido, A., Promentilla, M.A. Optimal selection of desalination systems using fuzzy AHP and grey relational analysis. Chem. Eng. Trans., 52 (2016) 649-654.

Yu, K., Aviso, K., Eusebio, R., Felix, C., Mayol, A.P., Promentilla, M.A., Santos, J.R., Ubando, A.T., Tan, R. Input-output based system perturbation analysis of the environmental implications of rice hull utilization for power generation in the Philippines. Chem. Eng. Trans., 52 (2016) 733-738.

Eusebio, R.C., Promentilla, M.A., Kim, H.S. Optimization of forward osmosis system for the utilization of reverse osmosis brine. Desalination and Water Treatment, 57 (2016) 27899-27904.

Bacudio, L., Benjamin, M.F., Eusebio, R.C., Holaysan, S.A., Promentilla, M.A., Yu, K.D., Aviso, K. Analyzing barriers to implementing industrial symbiosis networks using DEMATEL. Sustainable Production and Consumption, 7 (2016) 57-65.

Eusebio, R.C., Promentilla, M.A., Kim, H.S. Application of FO-MBR System to Utilize RO Concentrate as Draw Solution. IWWATV Conference Proceedings (2015).

Eusebio, R.C., Kim, H.G., Cho, Y.H., Chung, T.H., Kim, H.S. Various operating conditions affecting the performance of aerobic digestion coupled with membrane filtration. Desalination and Water Treatment, 34 (2011) 336-343.

Eusebio, R.C., Kang, J.S., Kim, H.S. Application of integrated microfiltration and PAC adsorption for the removal of humic acid as pretreatment in seawater desalination. Desalination and Water Treatment, 34 (2011) 81-87.

Kang, J.S., Eusebio, R.C., Kim, H.S. Boron removal by activated carbon and microfiltration for pre-treatment of seawater desalination. Water Science and Technology: Water Supply, 11-5 (2011) 560-567.

Cho, Y.H., Sibag, M., Eusebio, R.C., Kim, H.S. Effect of organic loading on the performance of MBR for advanced treatment and water reuse. Desalination and Water Treatment, 33 (2011) 224-230.

Eusebio, R.C., Kim, H.G., Chung, T.H., Kim, H.S. Enhancing filterability of flat-sheet membrane by addition of cationic polymer for sludge thickening system. Desalination and Water Treatment, 17 (2010) 10-18.

Eusebio, R.C., Cho, Y.H., Sibag, M., Kim, H.G., Chung, T.H., Kim, H.S. Significant role of membrane fouling and microbial community on the performance of membrane bioreactor (MBR) system. Desalination and Water Treatment, 17 (2010) 90-98.

Kim, H.G., Jang, H.N., Kim, H.M., Lee, D.S., Eusebio, R.C., Kim, H.S., Chung, T.H. Enhancing nutrient removal efficiency by changing the internal recycling ration and position in a pilot-scale MBR process. Desalination, 262 (2010) 50-56.

 Eusebio, R.C., Kim, H.G., Kim, H.S. Application of MF Membrane in Sludge Reduction System. KSWE-JA Conference Proceedings (2008) 63-64.


Course Code Course Title
ENSC 10a Engineering Graphics 1
ENSC 11 Statics of Rigid Bodies
ENSC 26 Computer Applications in Engineering
ChE 180 Agro-Industrial Waste Management
ChE 185 Chemical Engineering Laws, Ethics and Contracts
ChE 192 Chemical Process Equipment Design
ChE 282 Physical and Chemical Wastewater Treatment Design
ChE 283 Biological Wastewater Treatment Design


National Research Council of the Philippines – Chair, Division VII – Engineering and Industrial Research (2020-2022); Head, Water Resource Management (2018 – 2020); Head, Environmental Technologies (2016 – 2018); Regular Member (since 2015)

President, Philippine Institute of Chemical Engineers Laguna Chapter

Member, Society of Environmental Engineers of the Philippines, Inc.

Member, Korean Society of Environmental Engineers

Member, Organization of Filipino Scholars in Korea

Member, European Membrane Society