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.

Sex: Male

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

Researches:

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

Award:

  • Balik Scientist Awardee, DOST, 2008