• Progress in the synthesis and applications of hexaaluminate-based catalysts 

      Torrez Herrera, Jonathan Josué Upna; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Taylor & Francis, 2020)   Artículo / Artikulua  OpenAccess
      The development of materials that can exhibit thermal resistance at very high temperatures, thus allowing them to be applied as catalysts and thermal insulators, amongst other possible uses, is a research subject of great ...
    • Saline slag waste as an aluminum source for the synthesis of Zn–Al–Fe–Ti layered double-hydroxides as catalysts for the photodegradation of emerging contaminants 

      Santamaría Arana, Leticia Upna Orcid; Vicente, Miguel Ángel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      In this work, aluminum extracted from saline slag waste is valorized to create a layered double-hydroxide series containing zinc and various proportions of aluminum/titanium. Materials were synthesized by the co-precipitation ...
    • Structure and activity of nickel supported on hibonite-type La-hexaaluminates synthesized from aluminum saline slags for the dry reforming of methane 

      Torrez Herrera, Jonathan Josué Upna; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      This work describes the procedures followed to obtain four hibonite-type La-hexaaluminates (La-HA) using aluminum saline slag waste as the aluminum source. Briefly, an acid-extracted aluminum solution (8.9 gAl/L) was used ...
    • Synthesis of Cu-Al layered double hydroxides from aluminum saline slags 

      Boulahbal, Aziza Imene; Santamaría Arana, Leticia Upna Orcid; Azizi, A.; Boutahala, Mokhtar; Korili , Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      The use of saline slag, a hazardous waste generated during the recycling of aluminum, as aluminum source for the synthesis CuAl layered double hydroxides (LDH) is for the first time reported in this study. Due to the ...
    • Synthesis strategies of alumina from aluminum saline slags 

      Grande López, Lucía Upna; Vicente, Miguel Ángel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Aluminum saline slags is a waste of the metallurgical industry that presents serious environmental problems since it needs very extensive areas for its disposal, the toxicity it causes in the atmosphere and groundwater, ...
    • Titania-triethanolamine-kaolinite nanocomposites as adsorbents and photocatalysts of herbicides 

      Ferreira, Ana Vera de Toledo Piza Figueiredo; Barbosa, Lorrana Vietro; Souza, Suelen Delfino de; Ciuffi, Katia J.; Vicente, Miguel Ángel; Trujillano, Raquel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid; Faria, Emerson H. de (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Kaolinite-titania adsorbents/photocatalysts were prepared by functionalizing a kaolinite with titanium(IV) triethanolaminate isopropoxide by the sol–gel route. These materials were characterized by various techniques and ...
    • Understanding the formation of Al13 and Al30 polycations to the development of microporous materials based on Al13-and Al30-PILC montmorillonites: a review 

      Cardona, Yaneth Upna Orcid; Gil Bravo, Antonio Upna Orcid; Korili, Sophia A. Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Hydrolysis of aluminum cations (Al3+), the third most abundant metal in the Earth’s crust, is considered relevant in many academic fields, including materials science and chemical engineering. AlIII -polycations and ...
    • White and red Brazilian Sao Simao's kaolinite-TiO2 nanocomposites as catalysts for toluene photodegradation from aqueous solutions 

      Mora, Lucas D.; Trujillano, Raquel; Rives, Vicente; Pérez Bernal, María Elena; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid; Faria, Emerson H. de (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      The presence of volatile organic compounds in groundwater is a major concern when it is used as a drinking water source because many of these compounds can adversely affect human health. This work reports on the preparation ...
    • Zeolite synthesis from aluminum saline slag waste 

      Yoldi Sangüesa, María Upna Orcid; Fuentes Ordóñez, Edwin Gustavo Upna Orcid; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      This work describes the synthetic procedures developed to obtain zeolite X (NaX), zeolite A (LTA) and sodalite (SOD) using aluminum saline slag waste (AlSSW) as aluminum source in a two-step hydrothermal method involving ...
    • Zeolite synthesis from industrial wastes 

      Yoldi Sangüesa, María Upna Orcid; Fuentes Ordóñez, Edwin Gustavo Upna Orcid; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      Conventional synthesis conditions for each type of zeolite are tabulated and reported by the International Zeolite Association Structure Commission (IZA) and most of them are synthesized from commercial reagents, but they ...
    • Zn-Ti-Al layered double hydroxides synthesized from aluminum saline slag wastes as efficient drug adsorbents 

      Santamaría Arana, Leticia Upna Orcid; López Aizpún, María Upna; García Padial, Marcos; Vicente, Miguel Ángel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      This work reports the synthesis of Zinc-Titanium-Aluminum (ZnTiAl) layered double hydroxides (LDH) with various proportions of Al[sbnd]Ti and a Zn/(Al[sbnd]Ti) molar ratio of 3:1 by the co-precipitation method. Two series, ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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