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    Mostrando ítems 107-126 de 149

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      • Quantitative disentanglement of nanocrystalline phases in cement pastes by synchrotron ptychographic X-ray tomography 

        Cuesta-Garcia, Ana Maria; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; Santacruz-Cruz, Maria IsabelAutoridad Universidad de Málaga; Diaz, Ana; Trtik, Pavel; Holler, Mirko; Lothenbach, Barbara; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (IUCr, 2019)
        Mortars and concretes are ubiquitous materials with very complex hierarchical microstructures. To fully understand their main properties and to decrease their CO2 footprint, a sound description of their spatially resolved ...
      • Rapid synthesis of MCM-41 and SBA-15 by microwave irradiation: promising adsorbents for CO2 adsorption 

        Oliveira, Marília R.; Cecilia, Juan A.; De Conto, Juliana F.; Egues, Silvia M.; Rodriguez-Castellon, EnriqueAutoridad Universidad de Málaga (Elsevier, 2022-12-31)
        It is known that the world scenario is one of constant search for sustainable technologies that can reduce the emission of carbon dioxide (CO2) in the atmosphere. This is because CO2 is seen as the main responsible for the ...
      • Reactive belite stabilization mechanisms by boron-bearing dopants 

        Cuesta-Garcia, Ana Maria; Losilla, Enrique R.; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Sanz, Jesús; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga (Elselvier, 2012-01-27)
        Belite-rich cements hold promise for reduced energy consumption and CO2 emissions, but their use is hindered by the slow hydration rates of ordinary belites. This drawback may be overcome by activation of belite by doping. ...
      • Reactivity of C3S and model cement in presence of Na2S2O3 and NaSCN 

        Gonzalez-Panicello, Laura; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; Palacios, Marta (Springer, 2023-01)
        The impact of NaSCN and Na2S2O3 on the reactivity, microstructure and morphology of C3S and model cement (with a clinker containing 85% C3S and 15% C3A) pastes was systematically investigated. Results concluded that both ...
      • Recent Advances in C-S-H Nucleation Seeding for Improving Cement Performances 

        Cuesta-Garcia, Ana Maria; Morales-Cantero, Alejandro; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga (MDPI, 2023)
        Reducing cement CO2 footprint is a societal need. This is being achieved mainly by replacing an increasing amount of Portland clinker by supplementary cementitious materials. However, this comes at a price: lower mechanical ...
      • Recent Advances in C-S-H Nucleation Seeding for Improving Cement Performances 

        Cuesta-Garcia, Ana Maria (IOAP-MDPI, 2023-02-09)
        Reducing cement CO2 footprint is a societal need. This is being achieved mainly by replacing an increasing amount of Portland clinker by supplementary cementitious materials. However, this comes at a price: lower mechanical ...
      • Recent Advances in Mechanochemical Pretreatment of Lignocellulosic Biomass 

        Pérez Merchán, Antonio Manuel; Rodríguez Carballo, Gabriela; Torres-Olea, Benjamín; Garcia-Sancho, CristinaAutoridad Universidad de Málaga; Maireles-Torres, Pedro JesúsAutoridad Universidad de Málaga; Merida-Robles, Josefa MariaAutoridad Universidad de Málaga; Moreno-Tost, RamonAutoridad Universidad de Málaga[et al.] (IOAP-MPDI, 2022-08-17)
        Biorefineries are industrial facilities where biomass is converted into chemicals, fuels and energy. The use of lignocellulose as raw material implies the development of pretreatments to reduce its recalcitrant character ...
      • Recent Advances in Mesoporous Materials and Their Biomedical Applications 

        Cecilia-Buenestado, Juan AntonioAutoridad Universidad de Málaga; Moreno-Tost, RamonAutoridad Universidad de Málaga (IOAP-MDPI, 2022-12-09)
        Since the beginning of civilization, porous materials have been used for medical purposes. Some studies have reported that the first uses of applications of porous materials were carried out by the Ancient Egyptian or ...
      • Recent studies of cements and concretes by synchrotron radiation crystallographic and cognate methods 

        García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga (Taylon & Francis, 2015)
        The portfolio of available synchrotron radiation techniques is increasing notably for cements and pastes. Furthermore, sometimes the terminology is confusing and an overall picture highlighting similarities and differences ...
      • Recovery of pentoses-containing olive stones for their conversion into furfural in the presence of solid acid catalysts 

        Fúnez Núñez, Inmaculada; Garcia-Sancho, CristinaAutoridad Universidad de Málaga; Cecilia-Buenestado, Juan AntonioAutoridad Universidad de Málaga; Moreno-Tost, RamonAutoridad Universidad de Málaga; Serrano Cantador, Luis; Maireles-Torres, Pedro JesúsAutoridad Universidad de Málaga[et al.] (2020-06-24)
        Olive stones were employed as feedstock for furfural production in two stages: 1) autohydrolysis of hemicellulosic fraction to recover their pentoses, mainly xylose, and 2) subsequent dehydration of pentoses into furfural. ...
      • Relationship between the Structure and Transport Properties in the Ce1−xLaxO2−x/2 System 

        Zamudio-García, Javier; Porras-Vazquez, Jose ManuelAutoridad Universidad de Málaga; Canales-Vázquez, J.; Cabeza-Diaz, AurelioAutoridad Universidad de Málaga; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga[et al.] (American Chemical Society, 2019-06-25)
        La-doped CeO2 materials have been widely investigated for potential applications in different high-temperature electrochemical devices, such as fuel cells and ceramic membranes for hydrogen production. However, the crystal ...
      • Rheological and hydration characterization of calcium sulfoaluminate cement pastes 

        García-Maté, Marta; Santacruz-Cruz, Maria IsabelAutoridad Universidad de Málaga; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; León-Reina, Laura; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga (2015-05-14)
        Calcium sulfoaluminate (CSA) cements are currently receiving a lot of attention because their manufacture produces less CO2 than ordinary Portland cement (OPC). However, it is essential to understand all parameters which ...
      • Rietveld quantitative phase analyses of SRM 2686a: a standard Portland clinker 

        García-Maté, Marta; Álvarez-Pinazo, Gema; León-Reina, Laura; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga (2018-10-03)
        SRM 2686a is a NIST reference Portland clinker with reported mineralogical analysis from powder diffraction and electron microscopy. This sample is used in ASTM C1365 test method for Rietveld quantitative phase analysis ...
      • Rietveld Quantitative Phase Analysis of Oil Well Cement: in Situ Hydration Study at 150 Bars and 150 °C 

        Fraga, Edmundo; Cuesta-Garcia, Ana Maria; Zea-Garcia, Jesus D.; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; Yañez-Casal, Armando; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (MDPI - Publisher of Open Access Journals, 2019-06)
        Oil and gas well cements are multimineral materials that hydrate under high pressure and temperature. Their overall reactivity at early ages is studied by a number of techniques including through the use of the consistometer. ...
      • Rietveld Quantitative Phase Analysis of OPC Clinkers, Cements and Hydration Products 

        García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; León-Reina, Laura (Mineralogical Society of America, 2012)
      • Rietveld quantitative phase analysis of yeelimite-containing cements 

        Álvarez-Pinazo, Gema; Cuesta-Garcia, Ana Maria; García-Maté, Marta; Santacruz-Cruz, Maria IsabelAutoridad Universidad de Málaga; Ramirez-Losilla, EnriqueAutoridad Universidad de Málaga; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; León-Reina, Laura; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (Karen Scrivener, 2012)
        Yeelimite-containing cements are attracting attention for their tailored properties. Calcium sulfoaluminate, CSA, cements have high contents of Yeelimite and they are used for special applications. Belite calcium sulfoaluminate, ...
      • Rietveld quantitative phase analysis of Yeelimite-containing cements 

        Álvarez-Pinazo, Gema; Cuesta-Garcia, Ana Maria; García-Maté, Marta; Santacruz-Cruz, Maria IsabelAutoridad Universidad de Málaga; Ramirez-Losilla, EnriqueAutoridad Universidad de Málaga; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; León-Reina, Laura; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (Elsevier, 2012-03-26)
        Yeelimite-containing cements are attracting attention for their tailored properties. Calcium sulfoaluminate, CSA, cements have high contents of Yeelimite and they are used for special applications. Belite calcium sulfoaluminate, ...
      • Rietveld quantitative phase analysis with molybdenum radiation 

        Cuesta-Garcia, Ana Maria; Álvarez-Pinazo, Gema; García-Maté, Marta; Santacruz-Cruz, Maria IsabelAutoridad Universidad de Málaga; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Gomez-de-la-Torre, Maria de los AngelesAutoridad Universidad de Málaga; León-Reina, Laura[et al.] (Cambridge Core, 2014)
        Building materials are very complex samples of worldwide importance; hence quantitative knowledge of their mineralogical composition is necessary to predict performances. Rietveld quantitative phase analysis (RQPA) allows ...
      • Selective Catalytic Reduction of NOx by CO over Cu(Fe)/SBA-15 Catalysts: Effects of the Metal Loading on the Catalytic Activity 

        Souza, Monique S.; Martins, Antonio J.; Ribeiro, Jackson Anderson S.; Campos, Adriana; Oliveira, Alcineia C.; Jucá, Raí F.; Saraiva, Gilberto D.; Rodriguez-Castellon, EnriqueAutoridad Universidad de Málaga; Araujo, Rinaldo S.[et al.] (IOAP-MDPI, 2023-03-04)
        Mesoporous Cu(Fe)/SBA-15 catalysts were prepared with distinct metal loadings of ca. 2–10 wt.%. A detailed set of characterizations using X-ray diffraction (XRD), electron paramagnetic resonance (EPR), transmission electron ...
      • Selective Conversion of Glucose to 5-Hydroxymethylfurfural by Using L-Type Zeolites with Different Morphologies 

        Ginés-Molina, María José; Ahmad, Nur Hidayahni; Mérida-Robles, Sandra; Garcia-Sancho, CristinaAutoridad Universidad de Málaga; Mintova, Svetlana; Ng, Eng-Poh; Maireles-Torres, Pedro JesúsAutoridad Universidad de Málaga[et al.] (MDPI, 2019-12-16)
        In the present work, the morphology of L-type zeolite (LTL topology) has been modified in order to evaluate the influence of several protonated-form LTL-zeolites with different morphologies on their stability and catalytic ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA