Browsing by Subject "Biofuels"

Now showing items 1-11 of 11

    • Assessing the potential of soil cyanobacteria for simultaneous wastewater treatment and carbohydrate-enriched biomass production 

      Arias Lizarraga, Dulce María; Uggetti, Enrica; García Serrano, Joan (Elsevier, 2020-10)
      Article
      Open Access
      In this study, a mixed nitrogen-fixing soil cyanobacterial culture was tested to treat municipal wastewater and produce total carbohydrates in a one-stage operation. Four photobioreactors were operated in semi-continuous ...

    • Comparing biofuels through the lens of sustainability: A data envelopment analysis approach 

      Cabrera Jiménez, Richard; Mateo Sanz, Josep Maria; Gavaldà Casado, Jordi; Jiménez Esteller, Laureano; Pozo Fernández, Carlos (2022-02-01)
      Article
      Open Access
      Liquid biofuels can facilitate the transition towards a more sustainable transportation sector by curbing carbon emissions while maintaining most of the current vehicle fleet. Today, a myriad of alternatives are available ...

    • Estudi comparatiu de les diferents solucions energètiques per a la propulsió de vehicles automòbils 

      Ros Moreno, Eduard (Universitat Politècnica de Catalunya, 2016-06)
      Bachelor thesis
      Open Access
      En el projecte redactat a continuació es realitzarà un estudi comparatiu sobre les diferents energies de propulsió per a vehicles automòbils. Primer de tot es durà a terme un estudi previ per conèixer més a fons les ...

    • Estudio de la viscosidad y densidad de diferentes aceites para su uso como biocombustible 

      Legaz Berbel, Ramsés (Universitat Politècnica de Catalunya, 2010-06)
      Master thesis (pre-Bologna period)
      Open Access
      En este proyecto se realiza una breve introducción al mundo de las energías renovables, como alternativa muy importante al uso del petróleo. Más concretamente se explicará la importancia del uso de los biocombustibles, así ...

    • Impact of low temperature pretreatment on the anaerobic digestion of microalgal biomass 

      Passos, Fabiana Lopes del Rei; García Serrano, Joan; Ferrer Martí, Ivet (2013-06)
      Article
      Restricted access - publisher's policy
      The aim of this study was to investigate the effect of low temperature pretreatment on the anaerobic digestion of microalgal biomass grown in wastewater. To this end, microalgae were pretreated at low temperatures (55, 75 ...

    • Implementation of quality systems for biofuels 

      Seyda Mohammed, Zakira (Universitat Politècnica de Catalunya, 2018-07-09)
      Bachelor thesis
      Open Access
      Covenantee:   Centre Tecnològic Forestal de Catalunya
      The present document has been performed by the student with the collaboration of CTFC (Forest Technology Center of Catalonia) as the memory of the final degree thesis. The purpose of this thesis is to evaluate the current ...

    • 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)
      Conference report
      Restricted access - author's decision
      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 ...

    • Producción de biomasa algal en lagunas de alta carga para la depuración de aguas residuales 

      Gutiérrez Martínez, Raquel (Universitat Politècnica de Catalunya, 2012-06)
      Minor thesis
      Open Access
      [ANGLÈS] High rate algae ponds (HRAP) belong to the systems of unconventional wastewater treatment. These systems achieve the process of depurationby means of symbiosis algae (providing oxygen) and bacteria (decomposing ...

    • Production of polymers by cyanobacteria grown in wastewater: current status, challenges and future perspectives 

      Arias Lizarraga, Dulce María; García Serrano, Joan; Uggetti, Enrica (Elsevier, 2020-03)
      Article
      Open Access
      Cyanobacteria are prokaryotic oxygenic phototrophs receiving attention in a wide variety of technological applications such as food and feed supplements and production of valuable polymers. Among these, carbohydrates (e.g. ...

    • Techno-economic analysis of the tubular Photo-Bio-Reactor for microalgae cultivation with a focus on biofuel production 

      Barrabia Gil, Laura (Universitat Politècnica de Catalunya / Eidegenössische Technische Hochschule Zürich, 2013)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Covenantee:   Eidgenössische Technische Hochschule Zürich
      Biofuels are considered a key element in meeting the growing energy demand in the transportation sector while contributing to climate change mitigation. However, the challenge resides in obtaining an economically viable ...

    • 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)
      Research report
      Restricted access - publisher's policy
      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 ...