• A biological insight of hops wastes vermicomposting by Eisenia Andrei 

      González Moreno, Miguel Ángel Upna Orcid; García Gracianteparaluceta, Beñat; Marcelino Sádaba, Sara Upna Orcid; Prieto Cobo, Eduardo Upna Orcid; Seco Meneses, Andrés Upna Orcid (Springer, 2024)   Artículo / Artikulua  OpenAccess
      The study was conducted to assess the feasibility of using Eisenia andrei earthworms for vermicomposting hop remains from a lupulin extraction enterprises for the brewing industry. Vermicomposting process was conducted ...
    • Characterization of biomass briquettes from spent coffee grounds and xanthan gum using low pressure and temperature 

      Seco Meneses, Andrés Upna Orcid; Espuelas Zuazu, Sandra Upna Orcid; Marcelino Sádaba, Sara Upna Orcid; Echeverría, Angel María Upna Orcid; Prieto Cobo, Eduardo Upna Orcid (Springer, 2020)   Artículo / Artikulua  OpenAccess
      This paper analyzes the ability of the SCG for briquettes production based on the use of xanthan gum as binder under low-pressure and low-temperature biomass manufacturing conditions. Briquettes were manufactured at room ...
    • Estimation of the solar thermal power generation potential in Pamplona (northern Spain) 

      García Ruiz, Ignacio Upna Orcid; Prieto Cobo, Eduardo Upna Orcid; Torres Escribano, José Luis Upna Orcid (Universidad Carlos III, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, an analysis of the potential of the city of Pamplona to produce solar thermal energy was carried out, according to the solar radiation received. As a result, for each residential, industrial, or service ...
    • Experimental study of the valorization of sulfate soils for use as construction material 

      Seco Meneses, Andrés Upna Orcid; Del Castillo García, Jesús María; Perlot, Céline; Marcelino Sádaba, Sara Upna Orcid; Prieto Cobo, Eduardo Upna Orcid; Espuelas Zuazu, Sandra Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      This article shows an experimental investigation carried out for the stabilization of a sulfate soil. The stabilization was carried out in two phases: the first phase was the consumption of the sulfate present in the ...
    • Vermicomposting of lavender waste: a biological laboratory investigation 

      González Moreno, Miguel Ángel Upna Orcid; García Gracianteparaluceta, Beñat; Marcelino Sádaba, Sara Upna Orcid; Prieto Cobo, Eduardo Upna Orcid; Seco Meneses, Andrés Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      In the present work, lavender waste, a residue of the essential oil extract industry, was used to feed Eisenia andrei with mature horse manure at ratios of 0:100, 25:75, 50:50, 75:25 and 100:0 on dry weight basis. ...

      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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