Listar Departament: Enginyeria Química por título

Mostrando ítems 1-20 de 315

    • openAccess   45S5 bioactive glass coatings by atmospheric plasma spraying obtained from feedstocks prepared by different routes 

      López, Verónica; Vicent Cabedo, Mónica; Bannier, Emilie; Cañas Recacha, Eugeni; Boccaccini, Aldo R.; Cordero Arias, L.; Sánchez-Vilches, Enrique Springer Verlag (2014-12)
      45S5 bioactive glass powders with the composition of 45 SiO2, 6 P2O5, 24.5 CaO and 24.5 wt% Na2O were melted and quenched in water to obtain a frit. The frit was milled using two different routes: dry milling followed by ...

    • openAccess   A general method to determine optimal thermal cycles based on solid-state sintering fundamentals 

      Barba-Juan, Antonio; Clausell-Terol, Carolina Elsevier (2019-04-01)
      Most technical ceramics require processing up to and including final-stage sintering to obtain a high-density bulk while inhibiting grain growth as dominant sintering process as far as possible. The literature typically ...

    • openAccess   A new cleaner process to prepare pressing-powder 

      Shu, Zheng; Monfort, Eliseo; García Ten, Francisco Javier; Zhou, Jiaji; José Luis, Amorós Albaro; Wang, Yong-Xu Sociedad Española de Cerámica y Vidrio (2011)
      An alternative cleaner process of pressing-powder preparation, based on filter-pressing and a novel granulation method, is presented to substitute the existing spray-drying process. In the new process, about two-thirds of ...

    • closedAccess   A procedure to evaluate the resistance to biological colonization as a characteristic for product quality of ceramic roofing tiles 

      Portillo, M. C.; Gazulla Barreda, Maria Fernanda; Sánchez-Vilches, Enrique; González, J. M. Elsevier (2011)
      Ceramic roofing tiles suffer deterioration through time due to environmental exposure. Biological colonization affects the appearance and integrity of building materials, such as roofing tiles. The resistance to biocolonization ...

    • openAccess   A study of the influence of TiO2 addition in Al2O3 coatings sprayed by suspension plasma spray 

      Klyatskina, Elizabeta; Rayón, E.; Darut, G.; Salvador Moya, María Dolores; Sánchez-Vilches, Enrique; Montavon, G. Elsevier (2015-09)
      In this work, five different concentrations of a mixture of TiO2/Al2O3 nanopowders in an alcoholic suspension at 10wt.% solid content were sprayed by Suspension Plasma Spraying on steel discs. The influence of the presence ...

    • openAccess   Activación alcalina de metacaolín. Efecto de la adición de silicato soluble y de la temperatura de curado 

      Monzó Fuster, María; Fernández Jiménez, Ana; Vicent Cabedo, Mónica; Palomo, M.; Barba-Juan, Antonio Sociedad Española de Cerámica y Vidrio (2008)
      El objetivo del presente trabajo es determinar el efecto que la cantidad de sílice soluble presente en la disolución activadora (relación molar SiO2/Na2O entre 0 y 0.69) y la temperatura de curado (85ºC, 150ºC y 200ºC) ...

    • openAccess   Additives for reducing the toxicity of respirable crystalline silica. SILIFE project 

      Monfort, Eliseo; López Lilao, Ana; Escrig, Alberto; Ibáñez, María Jesús; Bonvicini, Giuliana; Creutzenberg, Otto; Ziemann, Christina EDP Sciences (2017-10-23)
      Prolonged inhalation of crystalline silica particles has long been known to cause lung inflammation and development of the granulomatous and a fibrogenic lung disease known as silicosis . The International ...

    • openAccess   Air quality comparison between two European ceramic tile clusters 

      Minguillón Bengochea, María Cruz; Monfort, Eliseo; Escrig, Alberto; Celades López, Irina; Guerra, L.; Busani, G.; Sterni, A.; Querol, Xavier Elsevier (2013-08)
      The European ceramic tile industry is mostly concentrated in two clusters, one in Castelló (Spain) and another one in Modena (Italy). Industrial clusters may have problems to accomplish the EU air quality regulations because ...

    • openAccess   Alkaline activation of ceramic waste materials 

      Reig, Lucía; Tashima, M. M.; Soriano, Lourdes; Borrachero, Mª Victoria; Monzó, J.; PAYÁ, JORDI Springer (2013-12)
      Ceramic materials represent around 45% of construction and demolition waste, and originate not only from the building process, but also as rejected bricks and tiles from industry. Despite the fact that these wastes are ...

    • closedAccess   Alkaline activation of metakaolin–fly ash mixtures: Obtain of Zeoceramics and Zeocements 

      Fernández Jiménez, Ana; Monzó Fuster, María; Vicent Cabedo, Mónica; Barba-Juan, Antonio; Palomo, A. Elsevier (2008-02)
      This study examines the variation in physico-mechanical properties and mineralogical and microstructural characteristics of the alkaline inorganic polymers obtained by alkaline activation, with a mixture of sodium silica ...

    • openAccess   Alumina-zirconia coatings obtained by suspension plasma spraying from highly concentrated aqueous suspensions 

      Carpio Cobo, Pablo; Salvador, M. D.; Borell, A.; Sánchez-Vilches, Enrique; Moreno, R. Elsevier (2016)
      Suspension plasma spraying (SPS) deposition represents an innovative technique to produce coatings that exhibit improved properties. However, the key to obtain coatings with superior functional properties relies on the ...

    • closedAccess   An estimate of quartz content and particle size in porcelain tiles from young's modulus measurements 

      Dal Bó, Marcelo; Cantavella Soler, Vicente; Sánchez-Vilches, Enrique; Gilabert Villegas, Francisco A.; Boschi, Anselmo O.; Hotza, Dachamir Elsevier (2017)
      The influence of quartz particle size, weight content and firing temperature on the Young's modulus of porcelain tiles was studied. To simulate a porcelain tile microstructure, an albite glass matrix with added crystalline ...

    • openAccess   Analysis of bending strength of porous titanium processed by space holder method 

      Amigó Borrás, Vicente; Reig, Lucía; Busquets Mataix, David Jerónimo; Ortiz, J. L. Maney on behalf of the Institute of Materials, Minerals and Nining (2011-02)
      Porous titanium specimens have been produced by means of the space holder method. Titanium grade 3 (TiCP3) has been used as material and ammonium bicarbonate as spacer. Process parameters (compaction pressure, metal grain ...

    • closedAccess   Analysis of the development of microscopic residual stresses on quartz particles in porcelain tile 

      De Noni, Agenor; Hotza, Dachamir; Cantavella Soler, Vicente; Sánchez-Vilches, Enrique Elsevier (2008-10)
      This paper examines the development of microscopic residual stresses on quartz particles in porcelain tile using the XRD technique. The study was conducted with a typical porcelain tile composition consisting of sodium ...

    • openAccess   Análise e medida de fatores que afetam as curvaturas retardadas em porcelanato 

      Cantavella Soler, Vicente; García Ten, Francisco Javier; Sánchez-Vilches, Enrique; Bannier, Emilie; Sánchez, J.; Soler, C.; Sales, J. Associação Brasileira de Cerâmic (2008)
      Os revestimentos cerâmicos de porcelanato, tanto os esmaltados como os não esmaltados, apresentam um fenômeno conhecido como “curvaturas retardadas”, que consiste na mudança de curvatura das peças depois da saída do ...

    • openAccess   Anion transport through ceramic electrodialysis membranes made with hydrated cerium dioxide 

      Mora Gómez, Julia; García Gabaldón, Montserrat; Martí Calatayud, Manuel César; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Wiley (2017-05)
      In this research, low-cost ceramic anion-exchange membranes have been developed from porous supports manufactured, using a chamotte as a pore former. An inorganic anion-exchanger (hydrated cerium dioxide) has been deposited ...

    • openAccess   Antibacterial properties of photochemically prepared AgTiO2 membranes 

      Che Abdul Rahim, Azzah Nazihah; Hoshida, Hisashi; Mestre Beltrán, Sergio; kumakiri, izumi IWA Publishing (2023)
      Biofouling reduces the membrane performance and has become a problem in many applications. One of the strategies to reduce biofouling is to apply antibacterial materials to the membrane surface, which prevents the attachment ...

    • openAccess   Application of plasma-sprayed TiO2 coatings for industrial (tannery) wastewater treatment 

      Bordes, M. Carmen; Vicent Cabedo, Mónica; Moreno, Rodrigo; García Montaño, J.; Sánchez-Vilches, Enrique Elsevier (2015-12)
      Fine-structured photocatalytic TiO2 coatings were deposited by atmospheric plasma spraying (APS) on austenitic stainless steel coupons. One commercial spray-dried nanostructured TiO2 powder and five spray-dried powders ...

    • openAccess   Application of the Service-Learning Methodology to the Development of the End of Degree Project in chemical Engineering 

      Pacherres Ato, Adriana Elizabeth; Gil-Gómez, Jesús; Chiva-Bartoll, Oscar; Sánchez-Vilches, Enrique Servicio Editorial de la Universidad del País Vasco (2017-07)
      This paper aims to demonstrate how the SL methodology can be incorporated into the development of the End of Degree Project (EDP) in a Bachelor Degree in Chemical Engineering, allowing the students, while performing the ...

    • openAccess   Aqueous suspension processing of multicomponent submicronic Y-TZP/Al2O3/SiC particles for suspension plasma spraying 

      Carnicer Cervera, Víctor; Alzazar, C.; Sánchez, E.; Moreno, R. Elsevier (2018-01)
      In order to obtain thermal barrier coatings by Suspension Plasma Spraying (SPS) process with potential new self-healing ability multicomponent submicronic Y-TZP/Al2O3/SiC suspensions were prepared. For this purpose, ...