People

de Leon, Rizalinda L.
Associate Professor
Fuels, Energy & Thermal Systems Laboratory
Catalyst Research Laboratory

 

B.S. Chemical Engineering, University of the Philippines – Diliman (1982)
M.S. Energy Engineering, University of the Philippines – Diliman (1988)
Ph.D. Chemical Engineering, University of the Philippines – Diliman (2007)
Post Doc, University of Houston (January – March, 2011)

Research

Publications

Khuong, L.D., Kondo, R., de Leon, R., Kim Anh, T., Shimizu, K., and Kamei, I. (2014) Bioethanol production from alkaline-pretreated sugarcane bagasse by consolidated bioprocessing using Phlebia sp. MG-60, International Biodeterioration & Biodegradation, vol 88 p62-68

 

Khuong, L.D., Kondo, R., de Leon, R., Anh, T. K., Meguro, S., and Shimizu, K. (2014) Effect of chemical factors on integrated fungal fermentation of sugarcane bagasse for ethanol production by a white-rot fungus, Phlebia sp. MG-60, Bioresource Technology pp.33-40.

 

Lu, M.-C., Biel, L.C.C., Wan, M.-W., de Leon, R., and Arco, S. (2014) The oxidative desulfurization of fuels with a transition metal catalyst: A comparative assessment of different mixing techniques. International Journal of Green Energy. Vol.11 (8), pp. 833-848

 

Lu, M –C, Biel, L. C. C., Wan, M-W, de Leon, R., Arco, S. and Futalan C. M. (2014) Adsorption of dibenzothiophene sulfone from fuel using chitosan-coated bentonite (CCB) as biosorbent Desalination and Water Treatment DOI:10.1080/19443994.2014.996773

      K.R. Tolod, C.J.E. Bajamundi, R.L. de Leon, P. Sreearunothai, R. Khunphonoi & N. Grisdanurak, Visible Light-drive Photocatalytic Hydrogen Production using Cu-doped SrTiO3. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects – Decision on Manuscript ID UESO-2012-0941.R2.(accepted for publication)
      R.L. de Leon, A. Cortes, R.Q. Chu, Heat and Mass Transfer in an Adsorption Panel with Rod Fins Heated by a Radiant Heat Source:3D Mathematical Model, Philippine Engineering Journal (accepted for publication)
      CM Montealegre, ER Dionisio, LV Sumera, JTAdolacion, RL de Leon, A Comparison between the performance of S. Cerevisiae Cells Immobilized in Nata de Coco Biocellulose and Calcium Alginate Continuous Bioethanol Production, International Journal of Chemical Engineering and Applications, Vol 3, no. 4, August 2012.
      Meng-Wei Wan, L.C. Biel, M.C. Lu, R.L. de Leon, S. Arco, Ultrasound-assisted oxidative desulfurization (UAOD) using phosphotungstic acid: effect of process parameters on sulfur removal, Desalination and Water Treatment, vol 47, issue 1-3, 2012.
      JD Ocon, L. Jirkovsky, RL de Leon, A Muriel, Theory-derived law of the wall for parallel flat-plates turbulent flow, CFD Letters vol 4(3), 2012
      Jan-Jezreel Saceda, Kamolwan Rintramee, Supattra Khabuanchalad, Sanchai Prayoonpokarach, Rizalinda L. de Leon and Jatuporn Wittayakun, Properties of zeolite Y in various forms and utilization as catalysts or supports for cerium oxide in ethanol oxidation, Journal of Industrial and Engineering Chemistry, v18(1) pp 420-424, 25 Jan 2012.
      J.M. Tumamao, J. Novilla, E. Azurin, K.T. Tolod & R.de Leon, Photocatalytic Hydrogen Production Using Clinoptillolite-supported, Eosin-Y sensitized TiO2 for Water Splitting, Philippine Engineering Journal vol 33, no. 1 (2012).

de Leon, R.L., Cortes, A.B. and Chu, R.Q. (2013) Heat and Mass Transfer in an Adsorption panel with rod fins heated by a radiant source: 3D Mathematical Model, Philippine Engineering Journal vol 34(1) pp. 47-64.

 

Tumamao, J.M., Novilla, J.O., Azurin, E.C.J., and de Leon, R.L. (2012) Photocatalytic hydrogen production using clinoptilolite-supported, eosin Y-sensitized TiO2 for water splitting, Philippine Engineering Journal, vol. 33 (1) pp.47-50.

 

Ramoso, P.D., Ang, M.T., Baticulon, S.M.E., de Leon, R.L., de Leon, A.C. (2012) Coconut oil-Stearic Acid Mixtures as Potential Phase Change Materials for Cooling Load Reduction, PIChE Journal vol 14 (1) pp. 53-62.

 

Tambago, H.M.G., Sazon, T.A.S., Casuyon, G.S., de Leon, A.C.C., de Leon, R.L. (2012) Coconut oil as microencapsulated phase change material, PIChE Journal, vol 14(1) pp 63-72.

 

      Myra G. Borines, Mark P. McHenry, Rizalinda L. de Leon, Integrated macroalgae production for sustainable bioethanol, aquaculture and agriculture in Pacific Island nations, Biofuels, Bioproducts and Biorefining v5 (6) pp599-608, Nov/Dec 2011.
      Borines, M.G., McHenry M.P. and de Leon, R.L. (2011), Bioethanol Production from farming non-food macroalgae in Pacific Island nations: Chemical constituents, bioethanol yields, and prospective species in the Philippines, Renewable and Sustainable Energy Reviews 15:4432-4435, doi: 10.1016/j-rser2011.07.109
      Jan-Jezreel Saceda, Rizalinda L. de Leon, Kamolwan Rintramee, Sanchai Prayoonpokarach and Jatuporn Wittayakun, Properties of Silica from Rice Husk and Rice Husk Ash and their Utilization for Zeolite Y Synthesis, Quim. Nova, v no. 2011.

Chapters of Books

F. Orge, M.P. McHenry, and R.L. de Leon Emission reduction theory and results in the development of a suitable small-scale, portable, continuous rice husk carboniser for poor rural regions in transitional economies. In: Tyrone, E.N., (ed.) Charcoal: Chemical Properties, Production Methods and Applications. Nova Science Publishers, Hauppauge, New York, USA, pp. 33-60. ISBN: 978-1-62808-664-5.

 

F. Orge, M.P. McHenry, and R.L. de Leon (2013) Modelling the carbonization process to develop a cost-effective, smokeless, continuous, down-draft rice husk carbonizer suitable for rice growing regions. In: Poullikka, A., (ed.) Renewable energy: economics, emerging technologies and global practices. Nova Science Publishers, Hauppauge, New York, pp. 267-280. ISBN: 978-1-62618-264-6

 

Modified Navier Stokes equation and new law of the wall for turbulent flows in flat-plate systems. Ocon, J.,Jirkovsky, L., De Leon, R.,Rollon, A. Quantum Nature of Turbulence 107-116

 

Remolona, M.,Novopashin, S., Rollon, A., De Leon, R. A new scaling law for turbulent pipe flow (2011) Quantum Nature of Turbulence   67-72

 

Conference Proceedings

L. de Leon and S.S.Doliente, Design of Experiments and Data Analyses in Energy Research on Bioethanol from Biomass, 2013 PSA Annual Conference “Good Governance and Statistics in the Energy Sector”, 12 Sep 2013, The Legend Palawan, Puerto Princesa City.

 

de Leon, R.L., Anquillano, L.A.F.G., Jacinto, C.P.T., and Macapagal M.K.N. (2013) Cellulase from mixed cultures of Aspergillus niger and Trichoderma reesei on rice hulls. 5th Regional Conference on Biotechnology. Bandung Indonesia. January 23-24.

 

Halal , PISD and R.L. de Leon, Performance Evaluation of Gamma-Ray Radiation and Ultraviolet Light Photocatalytic Pretreatments of Sargassum Algae, Management System, Proc. 14th Asia Pacific Industrial Engineering and Management Systems Conference, Dec 3-6, 2013, Cebu, Philippines., Paper in Proceedings of conferences

 

L. de Leon, N.S.Sabud, A.L. Lego, A. Mendizabal, Characterization and in-vitro release study of supramolecular encapsulated Moringa oleifera Lam. Oil in -cyclodextrin, 20th Regional Symposium on Chemical Engineering, 13 Nov 2013, Alona Kew Beach Resort, Panglao Island, Bohol, Philippines.

 

Rizalinda L. de Leon, Bemboy Subosa, Optimization of the Production of Peptone from Chicken Feathers, 20th Regional Symposium on Chemical Engineering 13 Nov 2013, Alona Kew Beach Resort, Panglao Island,Bohol, Philippines. Paper in Proceedings of conferences

 

GE Tanguilan, SS Doliente, RL de Leon, SD Arco, MT Escoto, Jr., Thermal Conductivity Enhancement of Alumina Nanoparticles in an Aqueous [HMIM]LS Solution, Proceedings of RSCE 2012, Nov 5-7, 2012, Bali, Indonesia, ISBN: 978-602-9494-30-3.

 

R. Tolod, C.J. E. Bajamundi, R.L. de Leon, P.Sreearunothai, N. Grisdanurak, Synthesis and Characterization of Visible Light-Responsive Cu-doped SrTiO3 Photocatalyst for Hydrogen Production, 19th Regional Symposium on Chemical Engineering, November 7-8, 2012, Bali, Indonesia. Paper in Proceedings of Conference.

 

V.L. Canseco, V.P.Bongolan, K.R. Tolod, R.L. de Leon, Agent-based Modeling of Visible Light-Driven Hydrogen Production, 19th Regional Symposium on Chemical Engineering, November 7-8, 2012, Bali, Indonesia. Paper in Proceedings of Conference.

 

SS Doliente, GE Tanguilan, RL de Leon, SD Arco, Stable Aluminum Oxide/Water Nanofluids with Ionic Liquid Dispersant, Proceeings of RSCE 2012, Nov 5-7, 2012, Bali, Indonesia, ISBN: 978-602-9494-30-3.

 

CM Montealegre, ER Dionisio, LV Sumera, JT Adolacion, RL de Leon, Continuous Bioethanol Production Using Saccharomyces cerevisiae Cells Immobilized in Nata De Coco (Biocellulose), 2012 2nd International Conference on Environment and Industrial Innovation IPCBEE vol. 35 (2012)

 

HMG Tambago, TAS Sazon, GS Casuyon, ACC de Leon, RL de Leon, Synthesis and Properties of Microencapsulation of Coconut Oil as Phase Change Material for Cooling Load Reduction, 4th AUN/SEED-Net Regional Conference on Chemical Engineering, February 2011.

 

Patrick D. Ramoso, Michelle T. Ang, Shyne Marie E. Baticulon, Al Christopher C.de Leon, Rizalinda de Leon, Determinaton of Phase Change Material from Philippine Indigenous Products for Cooling Load Reduction, Proceedings of RSCE 2010, Sharing Visions, Sharing Tomorrow, November 22-23, 2010, Queen Sirikit National Convention Center, Bangkok, Thailand, ISBN 978-974-466-513-3.

 

Patrick D. Ramoso, Michelle T. Ang, Shyne Marie E. Baticulon, Al Christopher C.de Leon, Rizalinda de Leon, Coconut oil-Stearic Acid Mixtures as Potential Phase Change Material for Cooling Load Reduction, Proceedings of RSCE 2010, Sharing Visions, Sharing Tomorrow, November 22-23, 2010, Queen Sirikit National Convention Center, Bangkok, Thailand, ISBN 978-974-466-513-3.

 

Joey Ocon, Rizalinda de Leon, Trinh Ngoc Tuan, Jaeyoung Lee, Catalytic Hydrogen Generation from Sodium Borohydride in Water-Methanol Mixtures using Structured Fe-B Catalyst. Proceedings of RSCE 2010, Sharing Visions, Sharing Tomorrow, November 22-23, 2010, Queen Sirikit National Convention Center, Bangkok, Thailand, ISBN 978-974-466-513-3.

 

De Leon, R.L., Bartolo, E.A.A., Capiral, G.A., Espina, B.B., Tuballa, C.M.L., Solar-Assisted Pervaporation for Ethanol Concentration, Proceedings of the 1st AUN/SEED-Net Regional Workshop on New and Renewable Energy, 12-13 March 2009, Institut Teknologi Bandung, Bandung, Indonesia.

 

De Leon, R.L., Tumolva, T.P., De la Cruz, D. S., Developing a Predictive Emission Model for a Diesel Fuel-Fired Power Plant., Proceedings of 2008 Asian-Pacific Regional Conference on Practical Environmental Technologies, 30 June – 1 July, 2008, Quezon City.

 

de Leon, R. Country Report on New Energy Inititatives. Proceedings of the 3rd Sustainable Energy and Environment Forum, Pattaya, Thailand, Nov 21-23, 2007.