Ara es mostren els items 1-19 de 19

  • An eddy-current-based sensor for preventing knots in metallic wire drawing processes 

    Esteban Dalmau, Bernat; Riba Ruiz, Jordi-Roger; Baquero Armans, Grau (2011-04-07)
    Article
    Accés obert
    During metallic wire drawing processes, the presence of knots and the failure to detect them can lead to long production interruptions, significant economic losses and a lower quality of final product. Consequently, there ...
  • An evaluation of the life cycle cost of rapeseed oil as a straight vegetable oil fuel to replace petroleum diesel in agriculture 

    Baquero Armans, Grau; Esteban Dalmau, Bernat; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni; Puig Vidal, Rita (2011-08)
    Article
    Accés obert
    The use of straight vegetable oil (SVO) as biofuel has been recognized as a valid substitute of diesel fuel in the agricultural sector under specific circumstances. Its direct use reduces most of the chemical processes ...
  • Application of highly carboxylate resins in aqueous emulsion for leather coating avoiding the use of isopropyl alcohol 

    Ollé Otero, Lluís; Baquero Armans, Grau; Solé, Mercè; Cuadros Domènech, Rosa Maria; Bacardit Dalmases, Anna (2016-08-15)
    Article
    Accés restringit per política de l'editorial
    Today, the first stages of the finishing processes of buffed cattle hides or full loose grain – known as impregnation – are largely carried out with acrylic resins and penetrating agents (typically, a mixture of surfactants ...
  • Carbon footprint and energy balance of biodiesel produced from tannery fleshings 

    Kiliç, Eylem; Puig Vidal, Rita; Baquero Armans, Grau; Zengin, Gökhan (2014-09-01)
    Article
    Accés restringit per política de l'editorial
    This paper analyzes, from a life cycle perspective, the environmental performance of biodiesel obtained from leather industry fleshing waste (BDF). The indicators used for this environmental evaluation are: global warming ...
  • Carbon footprint and energy comparison of biodiesel produced from leather industry fleshings and rapeseed vegetal oil 

    Kiliç, Eylem; Puig Vidal, Rita; Baquero Armans, Grau; Zengin, Gökhan; Adigüzel Zengin, Arife Candas (2013)
    Text en actes de congrés
    Accés restringit per acord de confidencialitat
    Biodiesels from different sources have received significant interest, driven by concerns over oil price instability, sustainability of energy supplies and measures taken to reduce the increase in greenhouse gas emissions. This ...
  • Carbon footprint and toxicity indicators of alternative chromium free tanning in China 

    Xu, Xiaoying; Baquero Armans, Grau; Puig Vidal, Rita; Shi, Jiabo; Sang, Jun; Lin, Wei (2015-05-01)
    Article
    Accés restringit per política de l'editorial
    This paper analyzes, from a life cycle perspective, the environmental performance of a newly developed chromium-free tanning process compared to the conventional one, in China. Both processes were evaluated by using carbon ...
  • Environmental life cycle assessment of rapeseed straight vegetable oil as self-supply agricultural biofuel 

    Baquero Armans, Grau; Esteban Dalmau, Bernat; Puig Vidal, Rita; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni (2013-02-01)
    Article
    Accés obert
    Biofuels are nowadays considered a questionable environmental alternative to fossil fuels. In that context, this work analyses the environmental impacts when introducing rapeseed on the traditional and current wheat and ...
  • Environmental optimization of chromium recovery from tannery sludge using a life cycle assessment approach 

    Kiliç, Eylem; Puig Vidal, Rita; Baquero Armans, Grau; Font Vallès, Joaquim; Colak, Selime; Gürler, Deniz (Elsevier, 2011)
    Article
    Accés restringit per política de l'editorial
    Life cycle assessment (LCA) was used to evaluate the environmental impact of an oxidative chromium recovery method from tannery sludge, in comparison with the usual landfilling process. Three improvement options (water ...
  • Estudi econòmic de l'oli de colza com a biocarburant en explotacions agrícoles 

    Baquero Armans, Grau; Esteban Dalmau, Bernat; Puig Vidal, Rita; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni (2010-01-01)
    Report de recerca
    Accés restringit per política de l'editorial
    Actualment els biocarburants ocupen una important àrea d’estudi, essent el biodièsel i el bioetanol els més utilitzats en el nostre territori. La major part d’aquests biocarburants són de primera generació i la seva ...
  • Evaluation of a new sustainable continuous system for processing bovine leather 

    Bacardit Dalmases, Anna; Baquero Armans, Grau; Sorolla Casellas, Sílvia; Ollé Otero, Lluís (2015-08-15)
    Article
    Accés restringit per política de l'editorial
    The aim of the present work is to evaluate a new sustainable continuous system for processing bovine leather. By means of a prototype described in the international patent WO, 2010/070571 (A2) of the technological centre ...
  • LCA of forest chips versus diesel boilers in the Mediterranean region 

    Esteban Dalmau, Bernat; Baquero Armans, Grau; Puig Vidal, Rita; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni (2011)
    Text en actes de congrés
    Accés restringit per decisió de l'autor
    ABSTRACT: Obtaining energy from forest chips is a technology widely used in many regions. There are currently many studies and applications on the use of forest biomass [1,2], mainly promoted by policies aimed to reduce ...
  • Small-scale production of straight vegetable oil from rapeseed and its use as biofuel in the Spanish territory 

    Baquero Armans, Grau; Esteban Dalmau, Bernat; Rius Carrasco, Antoni; Riba Ruiz, Jordi-Roger; Puig Vidal, Rita (2010-01)
    Article
    Accés obert
    Biofuels nowadays are an important topic of study. The most significant point is the availability of bioethanol or biodiesel and their production from different raw materials. It is already known that large scale production ...
  • Sustainability assessment of straight vegetable oil used as self-supply biofuel in agriculture 

    Baquero Armans, Grau; Esteban Dalmau, Bernat; Puig Vidal, Rita; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni (2011)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    This work proposes and analyses a model for an agricultural fuel self-supply exploitation. The model is based on the current extended crop rotation of wheat and barley in Anoia region (Catalonia, Spain). The introduction ...
  • Temperature dependence of density and viscosity of vegetable oils 

    Esteban Dalmau, Bernat; Riba Ruiz, Jordi-Roger; Baquero Armans, Grau; Rius Carrasco, Antoni; Puig Vidal, Rita (2012-07)
    Article
    Accés obert
    The straight use of vegetable oils as fuel in diesel engines entails adjusting several physical properties such as density and viscosity. By adequately heating the vegetable oil before entering the injection system, its ...
  • Tècnica de grup d'experts aplicat a l'assignatura de materials 

    Esteban Dalmau, Bernat; Baquero Armans, Grau (Servei de Comunicació i Promoció UPC, 2010)
    Comunicació de congrés
    Accés obert
    L’assignatura de Ciència i Enginyeria de Materials està integrada per continguts de diferents matèries que són difícils d’impartir alhora durant un quadrimestre. Un tema que sovint es deixa per a l’última part del curs, ...
  • Use of Rapeseed Straight Vegetable Oil as Fuel Produced in Small-Scale Exploitations 

    Baquero Armans, Grau; Esteban Dalmau, Bernat; Riba Ruiz, Jordi-Roger; Puig Vidal, Rita; Rius Carrasco, Antoni (Intech, 2011-08-01)
    Capítol de llibre
    Accés obert
    This chapter presents a method to produce rapeseed and process it to obtain rapeseed oil and rapeseed cake meal from a small-scale point of view. It also shows how rapeseed oil can be used as fuel in diesel engines for ...
  • Using Life Cycle Thinking and Assessment for industrial waste management policy making 

    Fullana Palmer, Pere; Puig Vidal, Rita; Bala, Alba; Baquero Armans, Grau; Riba Ruiz, Jordi-Roger (2009)
    Text en actes de congrés
    Accés obert
  • Utilització de l'oli de colza com a biocarburant en explotacions agrícoles 

    Esteban Dalmau, Bernat; Baquero Armans, Grau; Puig Vidal, Rita; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni (2010-01-01)
    Report de recerca
    Accés restringit per política de l'editorial
    La utilització de l’oli de colza com a carburant és una tecnologia que ja s’utilitza a altres països europeus com Alemanya i Dinamarca, degut principalment a dos factors: el gasoil agrícola està menys subvencionat i el ...
  • Ús de l'oli vegetal cru com a biocarburant per autoconsum agrícola: avaluacio de la sostenibilitat del sistema a Catalunya 

    Baquero Armans, Grau (Universitat Politècnica de Catalunya, 2011-07-06)
    Tesi
    Accés obert
    La introducció de la colza en la rotació de conreus i la producció i ús d’oli vegetal cru (OVC) com a biocarburant per autoconsum agrícola presenten alguns avantatges respecte al sistema tradicional de conreu de la ...