Ara es mostren els items 1-17 de 17

    • Cementos químicos formulados con subproductos de óxido de magnesio 

      Formosa Mitjans, Joan; Aranda, Miguel Ángel; Chimenos Ribera, Josep Maria; Rosell Amigó, Juan Ramón; Fernández Renna, Ana Inés; Ginés, O. (Consejo Superior de Investigaciones Científicas (CSIC), 2008-10-31)
      Article
      Accés obert
      Es posible obtener cementos de fosfato de magnesio y potasio (KMgPO4·6H2O; K-estruvita), mediante la reacción en medio acuoso del óxido de magnesio y el dihidrogenofosfato de potasio, siendo ésta una reacción exotérmica ...
    • Characterization of poly(ethylene-co-vinyl acetate) (EVA) filled with low grade magnesium hydroxide 

      Fernández Renna, Ana Inés; Haurie Ibarra, Laia; Formosa Mitjans, Joan; Chimenos Ribera, Josep Maria; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2008)
      Article
      Accés restringit per política de l'editorial
      Low-grade magnesium hydroxide (LG-MH) is a solid by-product that undergoes an endothermic decomposition in the temperature range of 300–750 C. Due to its thermal behaviour and its lower cost relative to pure Mg(OH)2, ...
    • Chemically bonded cements formulated with by-products of magnesium oxide 

      Formosa Mitjans, Joan; Aranda, Ma; Chimenos Ribera, Josep Maria; Rosell Amigó, Juan Ramón; Ginés, O.; Fernández Renna, Ana Inés (2008-10)
      Article
      Accés obert
      The casting of magnesium and potassium phosphate (KMgPO4•6H2O; K-struvite) cements becomes possible after the aqueous reaction between magnesium oxide and potassium dihydrogen phosphate. This reaction is quite exothermic ...
    • Comparative study of magnesium by-products and vermiculite formulations to obtain fire resistant mortars 

      Formosa Mitjans, Joan; Haurie Ibarra, Laia; Chimenos Ribera, Josep Maria; Lacasta Palacio, Ana María; Rosell Amigó, Juan Ramón (Transtec Publications, 2008-06-30)
      Article
      Accés restringit per política de l'editorial
      There exists an increasing concern about the dangers originated in a building g in case of fire. In this work the behaviour of vermiculite as aggregate in fireproof mortars was compared with mortars formulated with two ...
    • Cork as a sustainable carbon source for nature-based solutions treating hydroponic wastewaters – Preliminary batch studies 

      Bosch González, Montserrat; Brix, Hans; Formosa Mitjans, Joan; Castellar da Cunha, Joana Amèrica; Morató Farreras, Jordi; Fernández Renna, Ana Inés; Jove, Patricia; Arias, Carlos Alberto (Elsevier, 2019)
      Article
      Accés obert
      Reusing by-products is an important strategy to ensure the preservation of natural capital and climate change mitigation. This study aimed at evaluating the potential of cork granulates, a by-product of winery industry, ...
    • Crushed autoclaved aerated concrete (CAAC), A potential reactive filter medium for enhancing phosphorus removal in nature-based solutions-preliminary batch studies 

      Castellar da Cunha, Joana Amèrica; Formosa Mitjans, Joan; Chimenos Ribera, Josep Maria; Bosch González, Montserrat; Rosell Amigó, Juan Ramón; da Silva, Heraldo Peixoto; Morató Farreras, Jordi; Brix, Hans (2019-07-01)
      Article
      Accés obert
      Phosphorus (P) is a limited resource and can promote eutrophication of water streams and acidification of oceans when discharged. Crushed autoclaved aerated concrete (CAAC), a by-product from demolition, has shown great ...
    • Efecte de l'addició d'àrids lleugers a morters de protecció passiva contra el foc formulats amb subproductes de magnesi 

      Bachs Oliver, Pol; Formosa Mitjans, Joan (Universitat Politècnica de Catalunya, 2013-01)
      Projecte Final de Màster Oficial
      Accés obert
      En aquest estudi es pretén contribuir a la millora de la formulació dels morters de protecció passiva del foc (PPF) formulats amb subproductes de magnesi, prèviament desenvolupats pel grup de recerca en el que s’emmarca ...
    • Epsomite as flame retardant treatment for wood: Preliminary study 

      Elvira, J.C.; Chimenos Ribera, Josep Maria; Isabal Revilla, Carmen; Montón Lecumberri, Joaquín; Formosa Mitjans, Joan; Haurie Ibarra, Laia (2016-11-15)
      Article
      Accés obert
      The effect of epsomite as flame retardant for wood has been investigated and compared with a commercial boron salt. Both flame retardants have been introduced into wood samples by vacuum impregnation. Epsomite is a hydrated ...
    • Magnesium phosphate cement formulated with low grade magnesium oxide with controlled porosity and low thermal conductivity as a function of admixture 

      Niubó Eslava, Maria; Formosa Mitjans, Joan; Maldonado Alameda, Alex; del Valle Zermeño, Ricardo; Chimenos Ribera, Josep Maria (2016-10)
      Article
      Accés obert
      Magnesium phosphate cement (MPC) formulated with low-grade magnesium oxide (LG-MgO) can be better considered as sustainable MPC (sust-MPC). Among other properties, sust-MPC could be used as building material for constructive ...
    • Magnesium phosphate cements formulated with low grade magnesium oxide incorporating phase change materials for thermal energy storage 

      Maldonado Alameda, Alex; Lacasta Palacio, Ana María; Giró Paloma, Jessica; Chimenos Ribera, Josep Maria; Haurie Ibarra, Laia; Formosa Mitjans, Joan (2017-11-30)
      Article
      Accés obert
      Magnesium Phosphate Cement (MPC) has become an essential reference for investigators seeking alternatives to the use of Ordinary Portland Cement (OPC) in building sector because of its high environmental impact. The research ...
    • Mecánica. Problemas 1 

      Agea Tomás, José; Álvarez Casado, Enrique; Camí Babra, Enric; Castellví Gironès, Pedro Juan; Echebarría Domínguez, Blas; Formosa Mitjans, Joan; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano (Universitat Politècnica de Catalunya, 2009-09)
      Apunts / Problema, exercici
      Accés obert
    • Mecánica. Problemas 2 

      Agea Tomás, José; Álvarez Casado, Enrique; Camí Babra, Enric; Castellví Gironès, Pedro Juan; Echebarría Domínguez, Blas; Formosa Mitjans, Joan; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano (Universitat Politècnica de Catalunya, 2009-09)
      Apunts / Problema, exercici
      Accés obert
    • Pilot-scale road subbase made with granular material formulated with MSWI bottom ash and stabilized APC fly ash: environmental impact assessment 

      del Valle Zermeño, Ricardo; Formosa Mitjans, Joan; Prieto Fernández, Mario; Nadal Albiol, Ramon; Niubó Eslava, Maria; Chimenos Ribera, Josep Maria (2014-02-15)
      Article
      Accés restringit per política de l'editorial
      A granular material (GM) to be used as road sub-base was formulated using 80% of weathered bottom ash (WBA) and 20% of mortar. The mortar was prepared separately and consisted in 50% APC and 50% of Portland cement. A ...
    • Reutilization of low-grade magnesium oxides for flue gas desulfurization during calcination of natural magnesite: A closed-loop process 

      del Valle Zermeño, Ricardo; Formosa Mitjans, Joan; Aparicio, J.A.; Chimenos Ribera, Josep Maria (2014-10-15)
      Article
      Accés restringit per política de l'editorial
      The European Commission is encouraging the Cement, Lime and Magnesium Oxide Manufacturing Industries to reutilize collected particulate matter or wastes in the emission control of SO2 with a 100% removal efficiency. Following ...
    • Synergistic effect of the parameters affecting wet flue gas desulfurization using magnesium oxides by-products 

      del Valle Zermeño, Ricardo; Niubó Eslava, Maria; Formosa Mitjans, Joan; Guembe Contreras, Maitane; Aparicio Martín, José Antonio; Chimenos Ribera, Josep Maria (2015-02-15)
      Article
      Accés restringit per política de l'editorial
      A previous study carried out by the authors allowed to identify the optimum MgO by-product for a 100% SO2 removal efficiency in a wet flue gas desulfurization (FGD) process. The present research analyzes the synergistic ...
    • Thermal degradation and fire behaviour of thermal insulation materials based on food crop by-products 

      Lacasta Palacio, Ana María; Palumbo Fernández, Mariana; Formosa Mitjans, Joan (2015-01-28)
      Article
      Accés obert
      Natural thermal insulation materials developed from renewable crop by-products and natural binders are analysed in terms of their thermal degradation and fire behaviour. A Pyrolysis Combustion Flow Calorimetre (PCFC) is ...
    • Thermal study of low-grade magnesium hydroxide used as fire retardant and in passive fire protection 

      Formosa Mitjans, Joan; Chimenos Ribera, Josep Maria; Lacasta Palacio, Ana María; Haurie Ibarra, Laia (2011-03-12)
      Article
      Accés restringit per política de l'editorial
      Low-grade magnesium hydroxide is being used with very promising results as flame retardant filler in polymeric materials and as aggregate in the formulation of mortars for passive fire protection, combining an economic ...