PDI - Resultado de Búsqueda

Julio César Colmenares Zerpa

- Síntesis y caracterización de zeolitas y materiales mesoporosos - Valorización catalítica de derivados de biomasa - Adsorción y valorización de CO2

Doctorado en Ciencias con Mención en Química, UNIVERSIDAD DE CONCEPCION. Chile, 2024
Licenciado en Química, Universidad de Los Andes. Venezuela, 2017

Profesos Asistente Full Time

UNIVERSIDAD DE CONCEPCION

Ciencias Química

Concepción, Chile

2026 - At present
Colaborador Académico Part Time

UNIVERSIDAD DE CONCEPCION

Ciencias Químicas

Concepción, Chile

2024 - 2025
Profesor Instructor Full Time

Universidad de Los Andes

Ciencias

Mérida, Venezuela

2017 - 2019


CO2 adsorption at room temperature on Zr-functionalized SBA-15 materials: Role of Si/Zr ratio Julio Colmenares-Zerpa; Jorge Gajardo; A.F. Peixoto; F. Gispert-Guirado; Henrique Carvalhais Milanezi; J.B.O. Santos; R.J. Chimentão Article MATERIALS LETTERS (2026)
Evolution of structure and texture of the Beta zeolite recrystallization-derived materials: Impact of alkaline concentration and exploratory application towards LDPE catalytic pyrolysis Colmenares-Zerpa, Julio; Dugarte-Dugarte, Analio; Delgado, Jose Miguel; Chimentao, Ricardo J.; Meléndrez, M. F.; da Silva, Eliane Soares; Urquieta-Gonzalez, Ernesto A.; Santos, J. B. O.; Fernandez-Andrade, Kevin Jhon; Alejandro-Martin, Serguei; et al. Article ISI JOURNAL OF POROUS MATERIALS (2026)
Ultrafast Sonochemical Synthesis of SBA-15 Mesoporous Silica at 25 °C Jorge Gajardo; Julio Colmenares-Zerpa; Giancarlo González; Francesc Gispert-Guirado; Adolfo Henríquez; Ricardo J. Chimentão Article Materials Proccedings (2026)
Hydrogen-free catalytic conversion of highly concentrated glycerol solution: Influence of Si/Al molar ratio in Cu/SBA-15 catalysts Gajardo, J; Colmenares-Zerpa J.; Peixoto A.F.; Silva D.S.A.; Gispert-Guirado, F.; Llorca, J.; Urquieta-Gonzalez E.A.; Santos J.B.O.; Ãlvarez M.G.; Chimentao R.J. Article ISI Applied Catalysis A: General (2025)
Preparation and characterization of sulfate cancrinite, a synthetic analog of vishnevite, obtained under mild hydrothermal conditions Colmenares-Zerpa J.; Dugarte-Dugarte, A; Delgado J.M.; Rodríguez-Sulbarán, P Article ISI Next Materials (2025)
Room-Temperature CO2 Capture by a Zeolite-A Synthesized from Kaolin Chimentao R.J.; Dugarte-Dugarte, A; Colmenares-Zerpa J.; Ruiz, D. Article ISI Silicon (2025)
Revealing Reaction Conditions to Drive the Oxidation Reaction of Hydroxyacetone to Lactic Acid on Cu/ZrO2 Catalyst colmenares-zerpa; J. Gonzalez; G.; Gajardo; J.; Garcia; X.; Llorca; J.; Santos; J.B.O.; Villegas-Escobar; N.; ChimentÃ£o; R.J. Article ISI (2024)
Turning Glycerol to Value-Added Chemicals in the Absence of External Hydrogen over Copper Catalysts Supported on SBA-15-Type Materials Containing Zirconium colmenares-zerpa; J.; Gajardo; J.; Peixoto; A.F.; Gispert-Guirado; F.; Llorca; J.; Urquieta-GonzÃ¡lez; E.A.; Silva; D.S.A.; Santos; J.B.O.; ChimentÃ£o; R.J. Article ISI (2024)
Alkylation of isobutane with trans-2-butene on hydrothermally prepared BEA-type zeolitic materials with different crystallization time Márquez, Génesis; Dugarte-Dugarte, Analio; González-Cortés, Sergio; Lugo, Claudio; Imbert, F; Rodriguez-Sulbaran, Pedro Article ISI SCOPUS Fuel (2023)
Catalytic valorization of glycerol in the absence of external hydrogen: Effect of the Cu/ZrO2 catalyst mass and solvent Colmenares-Zerpa, Julio; Gajardo, Jorge; Gonzalez, Giancarlo; Fierro, J. L.G.; Junkaew, Anchalee; Suthirakun, Suwit; Santos, J. B.O.; Picinini, Monize; URQUIETA-GONZALEZ, ERNESTO ANTONIO; Hirunsit, Pussana Article ISI SCOPUS Catalysis Today (2023)
Revealing the effects of high Al loading incorporation in the SBA-15 silica mesoporous material Gajardo, Jorge; Peixoto, A. F.; Urquieta-Gonzalez, E. A. Article ISI SCOPUS Journal of Porous Materials (2023)
High zirconium loads in Zr-SBA-15 mesoporous materials prepared by direct-synthesis and pH-adjusting approaches Silva, D. S. A.; Silva, J. A.; CHIMENTAO, RICARDO JOSE Article ISI SCOPUS JOURNAL OF SOLID STATE CHEMISTRY (2022)
Conversion of glycerol to hydroxyacetone over SrTiO3-type perovskite: A DFT study LIZANA-BASTIAS, IGNACIO; Pecchi, Gina; DELGADO-RAMIREZ, EDUARDO JOSE Article ISI SCOPUS Journal of King Saud University - Science (2021)
Preparation of SBA-15 and Zr-SBA-15 materials by direct-synthesis and pH-adjustment methods Article ISI SCOPUS Materials Letters (2021)


A novel and integrated process of CO2 adsorption from air and in-situ methanation over nickel catalysts supported on zeolite materials prepared from a natural raw source Julio Colmenares-Zerpa; Alejandro Ivan Karelovic Burotto Proyecto (2025)
Turning waste CO2 into valuable chemicals using a neutral carbon footprint strategy Ricardo Jose Chimentão Proyecto (2022)
One Pot Conversion of Glycerol to lactic Acid on Copper Based Catalysts Ricardo Jose Chimentão Proyecto (2019)
Preparación y caracterización de materiales micro/mesoporosos BEA/MCM-41 Julio Colmenares-Zerpa; Pedro Rodríguez-Sulbarán Proyecto (2019)
Síntesis y caracterización de zeolita BEA a diferentes tiempos de cristalización Pedro Rodríguez-Sulbarán; Julio Colmenares-Zerpa Proyecto (2017)

Doris Ruiz

Associate Professor

Physical Chemistry

UNIVERSIDAD DE CONCEPCIÓN

Concepción, Chile

Ricardo Chimenton

Profesor Asociado

Fisico-Quimica

Universidad de Concepción

Concepción, Chile

Nery Villegas

Profesor Asistente

Universidad de Concepción

Concepción, Chile

Julio César Colmenares Zerpa

Líneas de Investigación

Educación

Doctorado en Ciencias con Mención en Química, UNIVERSIDAD DE CONCEPCION. Chile, 2024

Licenciado en Química, Universidad de Los Andes. Venezuela, 2017

Experiencia Académica

Profesos Asistente Full Time

Colaborador Académico Part Time

Profesor Instructor Full Time

Article (14)

CO2 adsorption at room temperature on Zr-functionalized SBA-15 materials: Role of Si/Zr ratio

Evolution of structure and texture of the Beta zeolite recrystallization-derived materials: Impact of alkaline concentration and exploratory application towards LDPE catalytic pyrolysis

Ultrafast Sonochemical Synthesis of SBA-15 Mesoporous Silica at 25 °C

Hydrogen-free catalytic conversion of highly concentrated glycerol solution: Influence of Si/Al molar ratio in Cu/SBA-15 catalysts

Preparation and characterization of sulfate cancrinite, a synthetic analog of vishnevite, obtained under mild hydrothermal conditions

Room-Temperature CO2 Capture by a Zeolite-A Synthesized from Kaolin

Revealing Reaction Conditions to Drive the Oxidation Reaction of Hydroxyacetone to Lactic Acid on Cu/ZrO2 Catalyst

Turning Glycerol to Value-Added Chemicals in the Absence of External Hydrogen over Copper Catalysts Supported on SBA-15-Type Materials Containing Zirconium

Alkylation of isobutane with trans-2-butene on hydrothermally prepared BEA-type zeolitic materials with different crystallization time

Catalytic valorization of glycerol in the absence of external hydrogen: Effect of the Cu/ZrO2 catalyst mass and solvent

Revealing the effects of high Al loading incorporation in the SBA-15 silica mesoporous material

High zirconium loads in Zr-SBA-15 mesoporous materials prepared by direct-synthesis and pH-adjusting approaches

Conversion of glycerol to hydroxyacetone over SrTiO3-type perovskite: A DFT study

Preparation of SBA-15 and Zr-SBA-15 materials by direct-synthesis and pH-adjustment methods

Proyecto (5)

A novel and integrated process of CO2 adsorption from air and in-situ methanation over nickel catalysts supported on zeolite materials prepared from a natural raw source

Turning waste CO2 into valuable chemicals using a neutral carbon footprint strategy

One Pot Conversion of Glycerol to lactic Acid on Copper Based Catalysts

Preparación y caracterización de materiales micro/mesoporosos BEA/MCM-41

Síntesis y caracterización de zeolita BEA a diferentes tiempos de cristalización

Doris Ruiz

Ricardo Chimenton

Nery Villegas

Julio Colmenares