• NB2O5 soportado en SBA-15 para la deshidratación de glicerol a acroleína 

      Moreno-Tost, Ramon; Cecilia, Juan Antonio; Moreno Ruíz, A.; García Sancho, Cristina; Merida-Robles, Josefa Maria; [et al.] (2013)
      La producción industrial de la acroleína se basa en la oxidación selectiva del propeno, de origen fósil, en presencia de catalizadores complejos de BiMoOx . Debido a la disminución de los recursos petroquímicos, los recursos ...
    • Structural Variability in Multifunctional Metal Xylenediaminetetraphosphonate Hybrids 

      Colodrero, Rosario M.P.; Bazaga-García, Montse; Olivera-Pastor, Pascual; Losilla, Enrique R.; Martos, E.Q.; [et al.] (2013)
      The two cornerstones in the field of MOFs are the Secondary Building Units (SBU’s or “bricks”) and the organic linkers. The structural tunability of crystalline MOFs coupled, when possible, with high chemical and thermal ...
    • In-situ hydration studies of ye’elemite at early ages for understanding eco-cement performances' 

      Cuesta-Garcia, Ana Maria; Álvarez-Pinazo, Gema; Peral, Inma; García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles (2013-09-12)
    • In-situ hydration study of sulfobelite eco-cements 

      Álvarez-Pinazo, Gema; Cuesta-Garcia, Ana Maria; García-Maté, Marta; Santacruz-Cruz, Maria Isabel; Ramirez-Losilla, Enrique; [et al.] (2013-09-12)
    • Mesoporous niobium oxide for dehydration of D-xylose into furfural 

      García Sancho, Cristina; Rubio Caballero, Juan Miguel; Moreno-Tost, Ramon; Merida-Robles, Josefa Maria; Santamaria-Gonzalez, Jose; [et al.] (2013-09-13)
      El furfural posee un gran potencial como molécula plataforma de origen renovable para la síntesis de una alta variedad de compuestos químicos. Se obtiene mediante la deshidratación de pentosas, principalmente a partir de ...
    • Influence of the calcium sulfate source on the rheological behaviour of calcium sulfoaluminate cement pastes 

      Santacruz-Cruz, Maria Isabel; García-Maté, Marta; García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles (2013-09-13)
      Calcium sulfoaluminate (CSA) cements are receiving increasing attention since their manufacture produces much less CO2 than ordinary Portland cement (OPC) [1]. In addition, they show interesting properties such as high ...
    • Photocatalytic behavior of phosphonate-based hybrid materials on dyes and phenols degradation 

      Bazaga-García, Montse; Colodrero, Rosario M.P.; Olivera-Pastor, Pascual; Santacruz-Cruz, Maria Isabel; García-Aranda, Miguel Ángel (2013-09-25)
      There is increasing interest in using heterogeneous catalysis for mineralization of organic pollutants. Within Advanced Oxidation Processes (AOPs), Photo-Fenton reaction is one of the most efficient methodologies. To ...
    • Caracterización de tobelita obtenida mediante síntesis hidrotermal de caolinita a 200ºC 

      Bentabol-Manzanares, Maria Jose; Ruiz-Cruz, Maria Dolores (2014-01-20)
      El objetivo de este trabajo es la caracterización mediante difracción de rayos X (DRX), espectroscopía infrarroja (FTIR), espectroscopía Raman, y microscopía electrónica de transmisión (HRTEM-AEM) de tobelita formada a ...
    • Proton Conductors based on Metal Phosphonate Hybrid Materials for PEM Fuel Cells 

      Cabeza-Diaz, Aurelio; Colodrero, Rosario M.P.; Bazaga-García, Montse; Hernández Alonso, Daniel; Compaña Prieto, José Manuel; [et al.] (2014-06-25)
      The necessity of energy and power generation is constantly growing. Fossils fuels are quickly becoming unsatisfactory substrates due to both their emission of pollutants and their finite expectancy. Fuel cells are one of ...
    • Tuning Proton Conductivity in A Multifunctional Calcium Phosphonate Hybrid Framework 

      Cabeza-Diaz, Aurelio; Bazaga-García, Montse; Colodrero, Rosario M.P.; Papadaki, M.; Olivera-Pastor, Pascual; [et al.] (2014-06-25)
      Multi-chelating phosphonate ligands are organic linkers alternative to polycarboxylates and other ligands providing synthetic access to a number of thermally- and chemically-stable MOFs [1]. Metal phosphonates are amenable ...
    • X-ray powder diffraction applied to cement related phases: in-situ and high resolution applications 

      Cuesta-Garcia, Ana Maria; Álvarez-Pinazo, Gema; Gomez-de-la-Torre, Maria de los Angeles; Santacruz-Cruz, Maria Isabel; Peral, Inma; [et al.] (2014-07-03)
      XRPD is a powerful tool for material characterization in general, and for in-situ studies of chemical processes in particular. The use of an intense X-ray source, .i.e. synchrotron X-rays, coupled with fast X-ray detection ...
    • Effect of different retarders on the hydration of calcium sulfoaluminate eco-cement pastes 

      García-Maté, Marta; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel (2014-07-09)
      The manufacture of Calcium SulfoAluminate (CSA) cements is more environmentally friendly than that of OPC [1] as their production releases up to 40% less CO2 than the latter. The main performances of CSA cements are fast ...
    • Influence of synthesis conditions in the catalytic performance of Nb-P catalysts 

      Cecilia, Juan Antonio; García Sancho, Cristina; Merida-Robles, Josefa Maria; Santamaria-Gonzalez, Jose; Maireles-Torres, Pedro Jesús; [et al.] (2014-07-14)
      Glycerol is a natural byproduct of the manufacture of soaps from the hydrolysis of animal fats and vegetable oils. Due to the incessant increment of the worldwide production of biodiesel, the production of glycerol, a ...
    • Proton conductivity of multifunctional metal phosphonate frameworks 

      Cabeza-Diaz, Aurelio; Bazaga-García, Montse; Colodrero, Rosario M.P.; Papadaki, M.; Olivera-Pastor, Pascual; [et al.] (2015-03-23)
      Metal phosphonates exhibit attractive characteristics for proton conductivity, such as tunable functionality, chemical and thermal stability and the existence of H-bond networks with acidic protons within their structure.1 In ...
    • Porous aluminosilicates as acid catalysts for glucose dehydration to 5-hydroxymethylfurfural 

      Moreno Recio, Mercedes; Moreno-Tost, Ramon; Merida-Robles, Josefa Maria; Santamaria-Gonzalez, Jose; Maireles-Torres, Pedro Jesús (2015-05-12)
      In the present work, the catalytic behavior of micro- and mesoporous aluminosilicates in glucose dehydration is compared. In this sense, different commercial zeolites (Beta, Y and ZSM-5, in their protonic form) and ...
    • In-situ hydration studies of C4AF at early ages in the presence of other phases 

      Cuesta-Garcia, Ana Maria; Santacruz-Cruz, Maria Isabel; Fauth, François; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel (2015-06-22)
      The ferrite phase, C4AF in cement nomenclature, also called brownmillerite, is the major iron-containing phase in Ordinary Portland Cement (OPC) and in iron rich belite calcium sulfoaluminate cements. The term “ferrite” ...
    • Hydration studies of ye’elimite by using Ptychographic X-ray nano-tomography 

      Cuesta-Garcia, Ana Maria; Da Silva, Julio C.; Diaz, Ana; Holler, Mirko; Gomez-de-la-Torre, Maria de los Angeles; [et al.] (2015-06-26)
      CSA (Calcium SulfoAluminate) cements may have variable compositions but all of them contain ye’elimite(Ca4Al6O12SO4). The manufacture of CSA cements is more environmentally friendly than that of ordinary Portland cements ...
    • In situ high pressure powder diffraction study of proton conductors based on metal phosphonates 

      Bazaga-García, Montse; Colodrero, Rosario M.P.; Olivera-Pastor, Pascual; Losilla, Enrique R.; Salcedo, I.R.; [et al.] (2015-06-30)
      Soft Porous Metal Organic frameworks (MOFs) are referred to as a class of coordination polymers that exhibit structural flexibility in response to guest interactions or physical stimuli [1]. By combining softness and ...
    • In-situ early age hydration of cement-based materials by synchrotron X-ray powder diffraction 

      García-Maté, Marta; Álvarez-Pinazo, Gema; León-Reina, Laura; Gomez-de-la-Torre, Maria de los Angeles; Santacruz-Cruz, Maria Isabel; [et al.] (2015-07-01)
      Cement based binders are building materials of worldwide importance. Since these samples are very complex, the knowledge/control of their mineralogical composition are essential to design and predict materials with ...
    • Design and optimisation of new formulations of Belite-Alite Calcium Sulfoaluminate (BACSA) eco-cements 

      Londono-Zuluaga, Diana; Santacruz-Cruz, Maria Isabel; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles (2015-07-02)
      Belite Calcium SulfoAluminate (BCSA) eco-cements were developed as OPC substitutes since in their production release 22% less CO2 than OPC. BCSA eco-cements contain belite as main phase (>50 wt%) and ye'elimite as secondary ...