Ara es mostren els items 1-12 de 31

    • An analysis of academic outcomes in graphic expression subjects in engineering by considering students’ admission profiles 

      Puig Poch, Mireia; Quintana, Elisabet; Voltas Aguilar, Jordi (Springer, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Decree 171/2022 that regulates compulsory post-High School in Catalonia, establishes that Technical Drawing I and II are modality courses, which means that they are not compulsory. So students can choose other modality ...
    • Ozone: a promising agent to functionalize cellulose 

      Valls Vidal, Cristina; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (Ca' Foscari University of Venice, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Ozone is a well-known chemical agent used in pulp bleaching, where its role is to remove lignin although carbohydrates are also affected. Toe objective ofthis work was to modify cellulose with ozone in order to create new ...
    • Materials based on cellulose for e-commerce packaging 

      Escursell Martínez, Silvia; Valls Vidal, Cristina; Llorach-Massana, Pere; Roncero Vivero, María Blanca (Ca' Foscari University of Venice, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      As a result of the pandemic and the new tax on the use of plastics in the EU, the consumption of cellulose has increased, especially for cardboard boxes as e-commerce packaging. Due to this high demand, the price of cellulose ...
    • Valorization of paper waste sludge to produce films for packaging 

      Quintana, Elisabet; Valls Vidal, Cristina; Roncero Vivero, María Blanca (Ca' Foscari University of Venice, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The global production of paper was more than 400 million tons in 2020, and about 40–50 kg of dry sludge/ton paper produced was generated. The management of this huge volume of solid waste material has become a serious ...
    • Análisis de los resultados académico en asignaturas de Expresión Gráfica en la Ingeniería atendiendo a los perfiles de acceso de los estudiantes 

      Quintana, Elisabet; Puig Poch, Mireia; Voltas Aguilar, Jordi (Universidad de Cádiz, 2023)
      Text en actes de congrés
      Accés obert
      Tal y como establece el RD 822/2021 [1], los sistemas de calidad en el ámbito universitario analizan las titulaciones universitarias a través de distintos ámbitos denominados Estándares que, a modo de ejes directivos, ...
    • Transformation of a waste from the paper industry into a nanocellulosic material 

      Huete Matute, Noemi; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (2022)
      Comunicació de congrés
      Accés obert
      The constant search for productive improvements in the paper industry and the growing awareness of society about the problems derived from the use of fossil-based materials, are pushing the research efforts towards the ...
    • Natural additives to enhance the barrier properties of nanocellulose films 

      Fernández Santos, Julia; Valls Vidal, Cristina; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (2022)
      Comunicació de congrés
      Accés obert
      Finding alternatives to fossil-based materials is one of the most important challenges of our time. Since cellulose is the most abundant natural polymer on the planet, its use to solve this challenge would be ideal. In the ...
    • Evaluation of the potential of paper fibres for better management of natural resources 

      Ferrá González, Mariana; Valls Vidal, Cristina; Carnicé Bañeres, Pilar (Asociación Española de Ingeniería de Proyectos (AEIPRO), 2022)
      Text en actes de congrés
      Accés obert
      La industria papelera española está comprometida con el reciclaje y apuesta por cumplir con los objetivos de una economía circular. Pero la elevada demanda de fibras recuperadas ha creado un alto impacto en los precios de ...
    • SOC and diffusion rate estimation in redox flow batteries: An I&I-based high-gain observer approach 

      Clemente Escuin, Antonio; Cecilia Piñol, Andreu; Costa Castelló, Ramon (2021)
      Text en actes de congrés
      Accés obert
      This paper presents an adaptive non-linear observer for the state of charge estimation in vanadium redox flow batteries. The study is based directly on the use of non-linear equations that describe the evolution of the ...
    • Flow controlling tuning for the voltage of a redox flow battery considering the effect of overpotentials 

      Clemente Escuin, Antonio; Costa Castelló, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      This conference paper presents a comparison between a H8 control technique and a classical PID, applied on a redox flow battery system. The study presents a dynamic nonlinear electrochemical model that considers the effect ...
    • Potencial de la celulosa en la construcción de nuevos materiales 

      Vidal Lluciá, Teresa; Torres López, Antonio Luis; Valls Vidal, Cristina; Cusola Aumedes, Oriol; López Martínez, Joan Antoni; Fernández Santos, Julia; Clemente Escuin, Antonio; Roncero Vivero, María Blanca; Casals Terré, Jasmina; Farré Lladós, Josep (2019)
      Text en actes de congrés
      Accés obert
      Actualmente, más de una tercera parte de los tipos de papeles que hoy empleamos son para nuevos usos que hace diez años no existían. Además, la demanda creciente de productos basados en materias primas renovables y la ...
    • Elucidating the chemical nature of laccase-modified alkyl gallates 

      Cusola Aumedes, Oriol; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (Universidade de Aveiro, 2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In the present work we investigated the chemical changes undergone by enzyme-oxidized lauryl gallate (LG, dodecyl 3,4,5,-trihydroxybenzoate) by using Fourier transform infrared (FTIR) spectroscopy, and an oxidation mechanism ...