Chelo S. Pascua, Ph.D.

Associate Professor


About the Faculty:Education:Field of Specialization:Publications:Awards:

About the Faculty:

Dr. Chelo Pascua is recognized for his important contributions in the field of carbon dioxide capture and storage (CCS) in the Philippines. His research interests include: Synthetic Clays as Nanomaterials (current), Environmental Mineralogy and Geochemistry, Hydrogeology, RS/GIS, transition metal smectites and LDHs, phyllomanganates, layered titanates, soft chemistry, hydrothermal synthesis, precipitation/nucleation in dilute aqueous systems.


Education:

  • Kanazawa University, Japan, Japan, Doctor of Philosophy in Environmental Minerology and Geochemistry, 2006
  • University of the Philippines, Diliman, Quezon City, Master of Science in Geology – Hydrogeology, 2001
  • University of the Philippines, Diliman, Quezon City, Bachelor of Science in Geology, 1997


Field of Specialization:

Environmental Minerology, Geochemistry, Thin Films and Nanotechnology, Clay Mineralogy, Material Characterization


Publications:

  • Nolasco-Javier, D.D., Pascua, C.S., David, C.P.C., & Sato, T., (2006) Assessment of heavy metal contents in bed sediments of a mineralized catchment of the Agno River, Benguet, Philippines
    Chinese Journal of Geochemistry Volume 25, No. S1
  • Pascua, C., Charnock, J., Polya, D.A., Sato, T., Yokohama, S., & Minato, M., (2005) Arsenic-bearing smectite from the geothermal environment
    Mineralogical Magazine Volume 69, No. 5
  • Pascua, C., & Foronda, J.M., (2001) Land use and groundwater quality in the Upper Agno watershed (Loo and Cayapas Valleys, Northern Benguet)
    Proceedings of the XXXI International Association of Hydrogeologists Congress, Munich, Germany Volume 2
  • Tsutsui, M., Kuroda, M., Yokohama, S., Pascua, C., Ringor, C., & Sato, T., (2005) Reactive surface area in smectite dissolution under highly alkaline condition
    Clays in Natural and Engineered Barriers for Radioactive Waste Confinement; Tours (France)
  • Pascua, C., Sato, T., & Golla, G., (2006) Mineralogical and geochemical constraints on arsenic mobility in a Philippine Geothermal environment
    Acta Geologica Sinica Volume 80, No. 2
  • Ong, J., Aguda, N., Jaraulla, C., Mateo, Z., Pascua, C.S., & Foronda, J., (2001) Tidal effect on groundwater fluctuations on a small oceanic island: A case study on the groundwater resources of Pag-asa Island, Kalayaan Island Group
    Science Diliman Volume 12
  • Pascua, C., Sato, T., Ueda, A., Kato, K., Yokohama, S., & Minato, M., (2003) Sleuthing As accumulation in geothermal scales and sinters
    47th Annual meeting of The Clay Science Society of Japan
  • Lagmay, A.M.F.A., Tengonciang, A.M.P., Marcos, H.V., & Pascua, C.S., (2003) A structural model guide for geothermal exploration in Ancestral Mount Bao, Leyte, Philippines
    Journal of Volcanology and Geothermal Research Volume 122, No. 1-2
  • Pascua, C.S., Asai, A., & Sato, T., (2005) Coprecipitation of As(III) with synthesized phyllosilicates and hydrotalcite-like phases
    Geochimica et Cosmochimica Acta Volume 69, No. 10
  • Yamada, H., Tamura, K., Yukiro, W., Pascua, C.S., Hatta, T., Nemoto, K., Komatsu, Y., & Yokohama, S., (2007) Micro-Grating of Pseudomorphic Amorphous Phase and Micro-Cubic Crystalline Phase Obtained by Alkali Dissoluiton of Isothermal Treated Nh4-Zeolite A
    Clay Science
  • Pascua, C.S., Minato, M., Yokohama, S., & Sato, T., (2007) Uptake of dissolved arsenic during the retrieval of silica from spent geothermal brine
    Geothermics Volume 36, No. 3
  • Tamura, K., Yokohama, S., Pascua, C., & Yamada, H., (2008) New Age of Polymer Nanocomposites Containing Dispersed High-Aspect-Ratio Silicate Nanolayers
    Chemistry of Materials Volume 20, No. 6
  • Yamada, H., Tamura, K., Pascua, C.S., Yokohama, S., & Hatta, T., (2009) Self-Assembled Silicate Nanolayers by Geonics
    Transaction of the Materials Research Society of Japan Volume 34, No. 2
  • Pascua, C., Sato, T., & Arcilla, C., (2009) Mineralogical and Geochemical Controls on Arsenic Mobility in Geothermal Areas of the Philippines
    Geochimica et Cosmochimica Acta Volume 73, No. 13
  • Honrado, M.L.L., Pascua, C., Vargas, E., Arcilla, C.A., Russel Alexander, W., Namiki, K., Fujii, N., Yamakawa, M., Sato, T., & McKinley, I.G., (2009) Smectite and zeolite formation from the pyroclastic deposits of the Aksitero Formation, Philippines
    Geochimica et Cosmochimica Acta
  • Arcilla, C.A., Pascua, C.S., Vargas, E., Honrado, M.L., Russell Alexander, W., Namiki, K., Fujii, N., Yamakawa, M., Sato, T., & McKinley, I., (2009) Reaction pathways for rising hyperalkaline groundwater in a bentonite mine in the Philippines
    Geochimica et Cosmochimica Acta Volume 73, No. 13
  • Vargas, E., Pascua, C.S., Arcilla, C.A., Honrado, M.L.L., Russell Alexander, W., Namiki, K., Fujii, N., Yamakawa, M., Sato, T., & McKinley, I.G., (2009) Origin of the Manleluag hyperalkaline hot spring, Philippines
    Geochimica et Cosmochimica Acta
  • Fujii, N., Arcilla, C.A., Yamakawa, M., Pascua, C., Namiki, K., Sato, T., Shikazono, N., & Alexander, W.R., (2010) Natural Analogue Studies of Bentonite Reaction Under Hyperalkaline Conditions: Overview of Ongoing Work at the Zambales Ophiolite, Philippines
    ASME Proceedings of the 13th International Conference on Environmental Remediation and Radioactive Waste Management, Tsukuba, Japan Volume 2
  • Pascua, C.S., Ohnuma, M., Matsushita, Y., Tamura, K., Yamada, H., Cuadros, J., & Ye, J., (2010) Synthesis of monodisperse Zn-smectite
    Applied Clay Science Volume 48, No. 1-2
  • Mendoza, E.P., Catane, S., Pascua, C., & Zarco, M.A., (2010) Geological and geotechnical characteristics of Metro Manila volcanic soils and their suitability for landfill soil liner
    EGU General Assembly Conference Abstracts Volume 12
  • Futalan, C.M., Kan, C.-C., Dalida, M.L.P., Pascua, C., Hsien, K.-J., & Wan, M.-W., (2011) Nickel removal from aqueous solution in fixed bed using chitosan-coated bentonite
    Sustainable Environment Research Volume 21, No. 6
  • Futalan, C.M., Kan, C.-C., Dalida, M.L., Pascua, C., & Wan, M.-W., (2011) Fixed-bed column studies on the removal of copper using chitosan immobilized on bentonite
    Carbohydrate Polymers Volume 83, No. 2
  • Futalan, C.M., Kan, C.-C., Dalida, M.L., Hsien, K.-J., Pascua, C., & Wan, M.-W., (2011) Comparative and competitive adsorption of copper, lead, and nickel using chitosan immobilized on bentonite
    Carbonate Polymers Volume 83, No. 2
  • Arcilla, C.A., Pascua, C.S., & Russell Alexander, W., (2011) Hyperalkaline groundwaters and tectonism in the Philippines: Significance to natural carbon capture and sequestration
    Energy Procedia Volume 4
  • Arcilla, C.A., Pascua, C.S., & Russell Alexander, W., (2013) Corrigendum to Hyperalkaline groundwaters and tectonism in the Philippines: significance to natural Carbon Capture and Sequestration Energy Procedia Volume 4 (2011) 5093-5101
    Energy Procedia Volume 4
  • Pascua, C.S., & Yamada, H., (2012) Low-Temperature Formation of Clay Minerals: Correlating Laboratory Experiments With Natural Field-Scale Processes
    Clay Science Volume 16, No. 2
  • Morimoto, K., Tamura, K., Pascua, C.S., Hatta, T., Ye, J., & Yamada, H., (2012) Photodegradation of Rhodamine B in Aqueous Suspension of Synthetic Zn-Substituted Phyllosilicates
    Clay Science Volume 16, No. 2
  • Arcilla, C., Alexander, W.R., Vargas, E., Honrado, M., Sato, T., Fujii, K., Yamakawa, M., Argayosa, J., Lazaro, J., Pascua, C., & McKinley, I.G., (2012) Hyperalkaline Springs, Serpentinized Ultramafics, Bentonite Reaction, Exotic Life Forms and Natural Carbon Sequestration: Preliminary Studies from the Philippines
    Geophysical Research Abstracts, EGU General Assembly 2012 Volume 14
  • Vargas, E.P., Tangunan, D.N., Peleo-Alampay, A.M., ABuda, J.B., Mambuay, L.A.T., Ramos, C.R.A., Fernando, A.G.S., Dimalanta, C.B., Faustino-Eslava, D.V., & Pascua, C.S., (2014) Post-Collision Deposition of Balanga Formation in northwest Mindoro, Philippines: Calcareous Nannofossil Evidence
    Stratigraphy Volume 11, No. 3-4
  • Calamba, K., Ringor, C., Pascua, C., & Miyazawa, K., (2015) Pleated Surface Morphology of C60 Fullerene Nanowhiskers Incorporated by Polyaniline in N-Methyl-2-Pyrrolidone
    Fullerenes, Nanotubes and Carbon Nanostructures Volume 23, No. 8
  • Ringor, C.L. , Pascua, C.S., Villanueva, J.C.B., Garcia, A.K.H., Agulo, I.J.A., Matsushita, Y., & Miyazawa, K., (2017) Multiwalled Carbon Nanofibers and Nanocapsules Synthesized from Plant Oil via Atmospheric CVD Process
    Journal of Nanoscience and Nanotechnology Volume 17, No. 5
  • Villanueva, J.C.B., Ringor, C.L., Pascua, C.S., & Miyazawa, K., (2018) Size, structure, and conductivity of plant oil-derived carbon nanospheres synthesized by atmospheric ionization CVD
    Materials Chemistry and Physics Volume 225
  • Ringor, C.L., Calamba, K.M., Pascua, C.S., & Miyazawa, K., (2019) Chapter 6: Morphological Controls of Fullerene Nanowhiskers and Nanotubes
    In Book: Fullerene Nanowhiskers, 2nd Edition, Eds. Kun’ichi Miyazawa, Yuichi Ochiai, Masaru Tachibana, Tokushi Kizuka, Shigeo Nakamura, Pan Stanford Publishing Pte. Ltd.
  • Sato, T., Kuroda, M., Yokohama, S., Tsutsui, M., Ringor, C., Pascua, C., Fukushi, K., Tanaka, T., & Nakayama, S., (2005) Dissolution kinetics of smectite under alkaline conditions
    Clays in Natural and Engineered Barriers for Radioactive Waste Confinement; Tours (France), International Nuclear Information System Volume 37, No. 8
  • Javier, G.M.N., Pascua, C.S., & Agulo, I.J.A., (2014) Synthesis of zinc oxide on ceramic substrates via electrochemical deposition
    Proceedings of the 32nd Samahang Pisika ng Pilipinas Volume 32
  • Pascua, C., & Gillado, A., (2011) Elastic moduli of Nontronite-Polyaniline nanocomposite films
    Proceedings of the 29th Samahang Pisika ng Pilipinas Volume 29
  • Garcia, M.C., & Pascua, C., (2011) Effects of initial particle size on the porosity of mullite ceramics
    Proceedings of the 29th Samahang Pisika ng Pilipinas Volume 29
  • Pascua, C.S., Tamura, K., & Yamada, H., (2007) P42 Photacatalytic activity of 3 Zn-smectites in the decomposition of methylene blue under ultraviolet light irradiation
    The Clay Science Society of Japan , No. 51
  • Pascua, C.S., Asai, A., Arcilla, C., Yamada, H., & Sato, T., (2007) Chemical weathering of basaltic rocks in the tropical environment
    Geochimica et Cosmochimica Acta Volume 71, No. 15
  • Pascua, C., Yamada, H., Tamura, K., Hatta, T., & Sato, T., (2006) Zinc-stevensite syntheses from aqueous starting materials at relatively low temperatures
    50th Clay Science Symposium Conference Proceedings , No. 50
  • Pascua, C., Minato, M., Yokohama, S., Ueda, A., Kato, K., & Sato, T., (2004) As uptake by precursory phases: Insights from the geothermal environment
    Geochimica et Cosmochimica Acta Volume 68, No. 11
  • Minato, M., Pascua, C., Yokohama, S., Ueda, A., Kato, K., & Sato, T., (2004) Dissolved As Uptake by Inorganic Solids at Geothermal Conditions
    Geochimica et Cosmochimica Acta Volume 68, No. 11
  • Alexander, W.R., Honran, M.L.L., Arcilla, C.A., Pascua, C., Vargas, E., McKinley, I.G., Namiki, K., & Kawamura, H., (2009) A natural analogue of bentonite alteration by hyperalkaline water: results from the FY’08 field programme in the Philippines
    Bedrock Geosciences Technical Report 09-01, Bedrock Geosciences, Auenstein, Switzerland
  • Arcilla, C.A., Pascua, C.S., & Alexander, W.R., (2010) Hyperalkaline springs in the Philippines: significance to natural Carbon Capture and Sequestration
    Proceedings of the 10th International Conference on Greenhouse Gas Control Technologies, Amsterdam, The Netherlands, IEA Greenhouse Gas R&D Programme, IEA, London, UK

Awards:

  • Balik Scientist Awardee, DOST, 2008