Phone: 2475000 Local 3302
Email: rbleron@mapua.edu.ph

Honors and Awards

• Outstanding Young Scientist of the Philippines in the field of Chemical Engineering (2014)
• One of the Most Excellent Papers 2013 4^th International Conference on Chemical Engineering and Applications (CCEA 2013),Heat capacities of aqueous ternary mixtures of 2-amino-2-methyl-1,3-propanediol + piperazine or lithium bromide by R. W. Olivia, R. B. Leron^*, M. H. Li
• Best Paper (1^st Place), 16th ASEAN Regional Conference on Chemical Engineering (RSCE 2009), Manila, Philippines, Solubility of carbon dioxide in the aqueous blended amine system of triethanolamine and piperazine by P. Y. Chung, R. B. Leron*, A. N. Soriano, M. H. Li
• Best Poster (3^rd Place), 1^st Regional Conference on Biotechnology (2009), Manila, Philippines, Synthesis and characterization of biodiesel from petroleum nut (Hanga) oil via base-catalyzed transesterification by G.I.L.T. Go, R.M.C. Lagunzad^*, O.A.C. Alvarez III, K. B. Dagbay, R. B. Leron
• Dr. Ang Tiao Kim’s Outstanding Faculty Member Award (2007, 2016)
• President Oscar B. Mapua Silver Medal for Academic Excellence (2000)

Research Interest

• CO₂ Capture
• Materials Engineering

Publications

• Liang, Kai-Ling R. B. Leron and M. H. Li, Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N′-trimethylethylenediamine at temperatures (303.2–353.2) K, J. Chem. Thermodyn. 206, 103, 51-58.
• Chen, Zhe-Wei, R. B. Leron and M. H. Li, Equilibrium solubility of carbon dioxide in aqueous potassium l-asparaginate and potassium l-glutaminate solutions, Fluid Phase Equil., 2015, 500, 20-26.
• Chang, Yu-Tzung, R. B. Leron and M. H. Li, Carbon dioxide solubility in aqueous potassium salt solutions of l-proline and dl-α-aminobutyric acid at high pressures, J. Chem. Thermodyn. 2015, 83, 110–116.
• Garcia, A.R., R. B. Leron, A.N. Soriano and M. H. Li, Thermophysical property characterization of aqueous amino acid salt solutions containing α-aminobutyric acid, J. Chem. Thermodyn. 2015, 81, 136–142.
• Chen, Sheng-Yi, R. B. Leron, A.N. Soriano and M. H. Li, Density and vapour pressure of mixed-solvent desiccant systems (propylene glycol or dipropylene glycol or tripropylene glycol + magnesium chloride + water), J. Chem. Thermodyn. 2014, 72, 94–99.
• Hsu, Yi-Hong, R. B. Leron and M. H. Li, Solubility of carbon dioxide in aqueous mixtures of (reline + monoethanolamine) at T = (313.2 to 353.2) K, J. Chem. Thermodyn. 2014, 72, 94–99.
• Liao, C. P., R. B. Leron and M. H. Li, Mutual diffusion coefficients, density, and viscosity of aqueous solutions of new polyamine CO₂ absorbents, under review in Fluid Phase Equil., 2014, 363, 180–188.
• Olivia, R. W., R. B. Leron and M. H. Li, Molar heat capacities of aqueous 2-amino-2-ethyl-1,3-propanediol solutions and their ternary mixtures containing piperazine or lithium salts, under review in Fluid Phase Equil., 2014, 365, 74–79.
• Lin, S. Y., R. B. Leron and M. H. Li, Molar heat capacities of aqueous binary and ternary mixtures (with piperazine) of two diamines: N,N,N’,N’-tetramethyl- ethylenediamine and N,N,N’,N’-tetramethyl-1,3- propanediamine, J. Taiwan Inst. Chem. Eng., 2014, 45, 1291–1297.
• Lin, C. M., R. B. Leron, A. R. Caparanga and M.H. Li, Henry’s constant of carbon dioxide-aqueous deep eutectic solvent (choline chloride/ethylene glycol, choline chloride/glycerol, choline chloride/malonic acid) systems, J. Chem. Thermodyn. 2014, 68, 216–220.
• Lin, S. Y., R. B. Leron and M.H. Li, Molar heat capacities of diethylenetriamine and 3-(methylamino)propylamine, their aqueous binaries, and aqueous ternaries with piperazine, Thermochim. Acta 2014, 575, 34–39.
• Leron, R.B., A. R. Caparanga and M.H. Li, Carbon dioxide solubility in a deep eutectic solvent based on choline chloride and urea at T = 303.15–343.15K and moderate pressures, J. Taiwan Inst. Chem. Eng. 2013, 44, 879–885.
• Chang, Y. C., R. B. Leron and M. H. Li, Equilibrium solubility of carbon dioxide in aqueous solutions of (diethylenetriamine + piperazine), J. Chem. Thermodyn. 2013, 64, 106-113.
• Huang, C. K., K. W. Lin, Y. M. Huang, A. R. Caparanga, R. B. Leron and M.H. Li, Effect of thickness and phosphorus content on Au/Pd/Ni(P) metal finish of printed circuit board, J. Electron. Mater. 2013, 42, 2648-2657.
• Siongco, K. R., R. B. Leron and M. H. Li, Densities, refractive indices, and viscosities of N,N-diethylethanolammonium chloride–glycerol or –ethylene glycol deep eutectic solvents and their aqueous solutions, J. Chem. Thermodyn. 2013, 65, 65–72.
• Siongco, K. R., R. B. Leron, A. R. Caparanga and M. H. Li, Molar heat capacities and electrical conductivities of two ammonium-based deep eutectic solvents and their aqueous solutions, Thermochim. Acta 2013, 566, 50–56.
• Wu, S. H., A. R. Caparanga, R. B. Leron and M. H. Li, Vapor pressures of aqueous blended-amine solutions containing (TEA/AMP/MDEA) + (DEA/MEA/PZ) at temperatures (303.15–343.15) K, Exp. Therm. Fluid Sci. 2013, 48, 1–7.
• Leron, R. B. and M.H. Li, Solubility of carbon dioxide in a eutectic mixture of choline chloride and glycerol at moderate pressures, J. Chem. Thermodyn. 2013, 57, 131–136..
• Leron, R. B. and M.H. Li, Solubility of carbon dioxide in a choline chloride–ethylene glycol based deep eutectic solvent, Thermochim. Acta 2013, 551, 14–19.
• Leron, R. B. and M.H. Li, High-pressure volumetric properties of choline chloride–ethylene glycol based deep eutectic solvent and its mixtures with water, Thermochim. Acta 2012, 546, 54-60.
• Leron, R. B., D. S. H. Wong and M.H. Li, Densities of a deep eutectic solvent based on choline chloride and glycerol and its aqueous mixtures at elevated pressures, Fluid Phase Equilib. 2012, 335, 32–38.
• Leron, R. B. and M.H. Li, High-pressure density measurements for choline chloride: Urea deep eutectic solvent and its aqueous mixtures at T = (298.15 to 323.15) K and up to 50 MPa, J. Chem. Thermodyn. 2012, 54, 293-301.
• Leron, R. B. and M.H. Li, Molar heat capacities of choline chloride-based deep eutectic solvents, Thermochim. Acta 2012, 530, 52-57.
• Leron, R. B., A. N. Soriano and M.H. Li, Densities and refractive indices of the deep eutectic solvents (choline chloride + ethylene glycol or glycerol) and their aqueous mixtures at the temperature ranging from 298.15 to 333.15 K, J. Taiwan Inst. Chem. Eng. 2012, 43, 551-557.
• Hsieh, Y. P., R. B. Leron, A. R. Caparanga, A. N. Soriano and M. H. Li, Diffusivity, density, and viscosity of aqueous solutions choline chloride/ethylene glycol and choline chloride/malonic acid, J. Chem. Eng. Jpn. 2012, 45, 393-947.
• Lu, Y. C., A. R. Caparanga, R. B. Leron, and M.H. Li, Molar heat capacity of several aqueous solutions of n-[tris(hydroxymethyl)methyl-3-amino]propanesulfonic acid (TAPS) + glycol, Thermochim. Acta 2012, 540, 69-73.
• Hsu, Z. J., A. R. Caparanga, R. B. Leron, A. N. Soriano and M.H. Li, Density of PG + AMP + H₂O and solubility of N₂O in PG + AMP + H₂O, J. Chem. Eng. Jpn. 2012, 46, 93-99.
• Wu, S. H., A. R. Caparanga, R. B. Leron and M. H. Li, Vapor pressure of aqueous choline chloride-based deep eutectic solvents (ethaline, glyceline, maline and reline) at 30–70 C, Thermochim. Acta 2012, 544, 1-5.
• Lin, P. Y., A. N. Soriano, R. B. Leron and M.H. Li, Measurements and correlations of electrolytic conductivity and molar heat capacity for the aqueous ionic liquid systems containing [Emim][EtSO₄] or [Emim][CF₃SO₃], Exp. Therm. Fluid Sci. 2011, 35, 1107-1112.
• Hu, H. C., A. N. Soriano, R. B. Leron and M.H. Li, Molar heat capacity of four aqueous ionic liquid mixtures, Thermochim. Acta 2011, 519, 44-49.
• Hu, H. C., A. N. Soriano, R. B. Leron and M.H. Li, Measurements and correlations of electrical conductivity of aqueous solutions of some ionic liquids, J. Chem. Eng. Jpn. 2011, 44, 209-213.
• Peng, S. W., A. N. Soriano, R. B. Leron and M.H. Li, Ternary diffusion coefficients of DEG and LiBr in aqueous glycol-salt system (DEG + LiBr + H₂O), J. Taiwan Inst. Chem. Eng. 2011, 42, 230-239.
• Lin, P. Y., A. N. Soriano, R. B. Leron and M.H. Li, Electrolytic conductivity and molar heat capacity of two aqueous solutions of ionic liquids at room-temperature: measurements and correlations, J. Chem. Thermodyn. 2010, 42, 994-998.
• Chung, P. Y., A. N. Soriano, R. B. Leron and M.H. Li, Equilibrium solubility of carbon dioxide in the amine solvent system of triethanolamine + piperazine + water, J. Chem. Thermodyn. 2010, 42, 802-807.
• Su, C. L., C.H. Hsu, K.H. Lan, R. B. Leron, A. N. Soriano and M.H. Li, Texturization of silicon wafers for solar cells by anisotropic etching with sodium silicate solutions, Renewable Energy & Power Quality J., ISSN 2172-038X 2012, 10.
• Soriano, A. N., R. B. Leron and M. H. Li, Estimation of dissociation constant and thermodynamic functions of some ionic liquids from conductimetric data at dilute concentration, PICHE Journal 2011, 13, 18-26.
• Go, G. I., R. M. C. Lagunzad, O. A. Alvarez, K.B. Dagbay and R. B. Leron, Synthesis and characterization of biodiesel from petroleum nut oil via based-catalyzed transesterification, PICHE Journal 2010, 1, 102-111.
• Lin, S. Y., R. B. Leron and M. H. Li, Molar heat capacities of diethylenetriamine and its aqueous binary and ternary (with piperazine) solutions, Proceedings of the 2013 International Membrane Conference in Taiwan and 12^th Conference on Membrane Science and Technology, August 9-10, 2013, Chungli, Taiwan.
• Lin, C. M., R. B. Leron, A. R. Caparanga and M.H. Li, Henry’s constants for carbon dioxide-aqueous deep eutectic solvent (choline chloride/ethylene glycol and choline chloride/glycerol) systems, Proceedings of the 2013 International Membrane Conference in Taiwan and 12^th Conference on Membrane Science and Technology, August 9-10, 2013, Chungli, Taiwan.
• Maranca, O. S., D. A. C. Ambito, R. B. Leron, A. R. Caparanga, B. T. Doma, Jr. and M. H. Li, Some physical properties of aqueous solutions of n-[tris(hydroxymethyl)- methyl]-3-amino-2-hydroxypropanesulfonic acid (TAPSO) and 3-(n-morpholino)-2- hydroxy-1-propanesulfonic acid (MOPSO), Proceedings of the 2012 Taiwan Institute of Chemical Engineers Annual Conference (TWICHE 2012), November 23-24, 2012, Taichung, Taiwa
   

Research Presentation

• Olivia, R.W., R. B. Leron^*, M. H. Li. Heat capacities of aqueous ternary mixtures of 2-amino-2-methyl-1,3-propanediol + piperazine or lithium bromide. 2013 4^th International Conference on Chemical Engineering and Applications (CCEA 2013), Paris, France, October 2013.
• Wu, S.H., R.B. Leron, M.H. Li. Vapor pressure of aqueous solutions of choline chloride-based deep eutectic solvents. 3rd International Conference on Green Process Engineering (GPE 2011), Kuala Lumpur, Malaysia, December 2011.
• Wu, S.H., R.B. Leron, M.H. Li. Vapor pressures of carbon dioxide absorbents: alkanolamines and deep eutectic solvents. 11th International Chemical and Biological Engineering Conference (ChemPor 2011), Lisbon, Portugal, September 2011.
• Leron, R.B., A.N. Soriano, M.H. Li. Density and Refractive Index of Aqueous Solutions of the Deep Eutectic Solvent based on Choline Chloride and Malonic Acid. 13th Asia Pacific Confederation of Chemical Engineering Congress (APPChE 2011), Taipei, Taiwan, October 2010.
• Lin, P.Y., A.N. Soriano, R. B. Leron, M.H. Li. Electrolytic Conductivity and Molar Heat Capacity of Aqueous Solutions of 1-Ethyl-3-Methylimidazolium Dicyanamide. 7th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT 2010), Antalya, Turkey, July 2010.
• P.Y. Lin, A.N. Soriano, R. B. Leron, M.H. Li. Electrolytic conductivity and molar heat capacity of aqueous solutions of 1-ethyl-3-methylimidazolium 2-(2-methoxyethoxy) ethylsulfate. 2009 Taiwan Institute of Chemical Engineers Annual Conference (TICHE 2009), Taichung, Taiwan, November 2009.
• Chung, P.Y., A.N. Soriano, R. B. Leron, M.H. Li. Solubility of Carbon Dioxide in Aqueous Blended Amine System of Triethanolamine and Piperazine. 16th ASEAN Regional Conference on Chemical Engineering (APPChE 2009), Manila, Philippines, December 2009.

Poster Presentation

• Lin, S. Y., R. B. Leron and M. H. Li, Molar heat capacities of diethylenetriamine and its aqueous binary and ternary (with piperazine) solutions, 2013 International Membrane Conference in Taiwan and 12^th Conference on Membrane Science and Technology
• Lin, C. M., R. B. Leron, A. R. Caparanga and M.H. Li, Henry’s constants for carbon dioxide-aqueous deep eutectic solvent (choline chloride/ethylene glycol and choline chloride/glycerol) systems, 2013 International Membrane Conference in Taiwan and 12^th Conference on Membrane Science and Technology, , Chungli, Taiwan, August 9-10, 2013.
• Go, G.I.L.T. , R.M.C. Lagunzad, R.B. Leron, K.B.Dagbay and O.A.C. Alvarez III. Synthesis and characterization of biodiesel from petroleum nut oil via based-catalyzed transesterification. 1^st Regional Conference on Biotechnology, Manila, Philippines, July 2009.