Listar Química Inorgánica, Cristalografía y Mineralografía - (QICM) por título
Mostrando ítems 208-227 de 454
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Kaolinite-based zeolites synthesis and their application in CO2 capture processes
(Elsevier, 2022-07-15)In light of the urgent need of reducing the atmospheric CO2 emissions, the use of low-cost adsorbents, that exhibit a high affinity and CO2 adsorption capacity, is a promising method from the economic and environmental ... -
Kinetic model for ye’elimite polimorphs formation during clinkering production of CSA cement
(Elsevier, 2022)The calcium sulfoaluminate, orthorhombic (OY) and pseudo- cubic (CY) ye’elimite polymorphs, were synthesized by solid state reaction from SiO2, Al2O3, Fe2O3, CaCO3, Na2CO3, CaSO4·2H2O in specific oxide relationships. Thermal ... -
La(III), Cd(II) and Ni(II) biosorption using algae residue
(Real Sociedad Española de Química, 2022-07-28)Brown algae have the capacity to accumulate metal ions, thanks mainly to the alginate present in the cell wall containing functional groups (hydroxyl, carboxyl, amines, etc.) [2]. During the extraction of bio-stimulants ... -
Laboratorio de química forense medio ambiental del Servicio de Criminalística de la Guardia Civil
(2017-12-14)El Servicio de Criminalística de la Guardia Civil, situado en Madrid da servicio especializado a Policía Judicial en toda España, dispone de Laboratorios Provinciales y se estructura en departamentos técnicos: Ingeniería ... -
LaCr0.75Mn0.25O3+δ –CGO nanocomposite electrodes for highly efficient Solid Oxide Fuel Cells
(2021-07-24)One of the most recent strategies to enhance the electrode performance is the preparation of nanocomposite materials, leading to an increase of the triple-phase-boundary (TPB) length. In this way, ... -
Lanthanide molybdates, Ln5.4MoO11.1 (Ln = Nd, Sm and Gd), for hydrogen separation membranes
(Advanced Nano Materials, ANM2022, 2022-07-27)Nowadays, lanthanide molybdates (Ln6-xMoO12-, Ln = La-Lu) are attracting attention as candidates for hydrogen separation membranes due to its high ambipolar proton-electron conductivity. In these compounds, a very high ... -
Lanthanum Molybdates: a comprehensive study for hydrogen separation membranes
(UMA Editorial, 2023)En esta Tesis doctoral, los materiales La6−xMoO12−δ (0 ≤ x ≤ 0.8) se investigan como una nueva familia de conductores cerámicos de protones. Se obtienen diferentes fases polimórficas con estructura romboédrica y cúbica, ... -
Layered Lanthanide Sulfophosphonates and Their Proton Conduction Properties in Membrane Electrode Assemblies
(ACS publications, 2019-11-07)Metal phosphonates containing acidic groups exhibit a wide range of proton conduction properties, which may enhance the performance of membrane electrode assemblies (MEAs). In this work, focus is placed on proton conduction ... -
Learning strategies for the acquisition of specific skills, and its evaluation through an integrated rubric in several degrees of University of Malaga (Spain).
(2015-07-28)It is essential for the university lecturers/professors to design new strategies that help students to acquire skills in the new framework of the European Higher Education Area. Furthermore, the assessment of the effectiveness ... -
Limestone calcined clay binders based on a Belite-rich cement
(Elsevier, 2023)Portland-based Limestone Calcined Clay Cements, LC3, are receiving considerable attention because the CO2 footprint can be reduced up to 40 %. Here, we report a related family: Belite-rich-LC3. These blends are expected ... -
Local structure and Ca/Si ratio in C-S-H gels from hydration of blends of tricalcium silicate and silica fume
(Elsevier, 2021-03)At the microscale, C-S-H gels from alite, or neat Portland cements, has a Ca/Si ratio close to 1.80. At the nanoscale, C-S-H is described by a defective tobermorite structure which allows a maximum Ca/Si ratio close to ... -
LSCF-CGO nanocomposite cathodes deposited in a single step by spraypyrolysis.
(Elsevier, 2018-01-01)La0.6Sr0.4Co0.2Fe0.8O3-δ-Ce0.9Gd0.1O1.95 (LSCF-CGO) nanostructured cathodes with different LSCF-content are prepared in a single step by spray-pyrolysis deposition, simplifying notably the fabrication process compared ... -
Luminescent and Proton Conducting Lanthanide Coordination Networks Based On a Zwitterionic Tripodal Triphosphonate
(American Chemical Society, 2016-07-14)The synthesis, structural characterization, luminescence properties, and proton conduction performance of a new family of isostructural cationic 2D layered compounds are reported. These have the general formula ... -
M/TiO2 (M = Fe, Co, Ni, Cu, Zn) catalysts for photocatalytic hydrogen production under UV and visible light irradiation
(2021-05-28)In order to improve the photocatalytic response of TiO2 to UV and visible light for hydrogen photoproduction, low cost M/TiO2 semiconductor catalysts were prepared by the impregnation method of five different first row ... -
Magnetitas utilizadas para la obtención de alcohol furfurílico a partir de furfural mediante transferencia catalítica de hidrógeno
(2018-07-16)El furfural es considerado como una molécula plataforma debido a su alta reactividad en procesos de hidrogenación, oxidación, alquilación o deshidratación, originando una gran variedad de productos de alto valor añadido. ... -
Manufacture of rich-sulfoaluminate belite cement at low temperature from waste mixture by dry and hydrothermal processes
(sciencedirect, 2022)This study, within the framework of eco-cement development, aims to manufacture reactive belite-sulfoaluminate cement (BYF) as alternative to Portland cement (PC). This ecological cement is obtained at low temperature from ... -
Materiales puzolánicos para bajar las emisiones de CO2: soluciones locales para un problema global.
(2023)In recent decades, the cement sector has been looking for solutions to reduce the carbon footprint, being one of the most promising strategies, the replacement of clinker with supplementary cementitious materials, SCMs. ... -
Materials chemistry: design and synthesis of luminescent and biologically active materials
(2018-10-02)The need to synthesise new materials is driven by the need for materials with specific properties. Those properties are determined by the final application. In this talk we will explore the design of materials which are ... -
Materials chemistry: Design, Synthesis and Functionality
(2017-09-28)The need to synthesise new materials is driven by the need for materials with specific functionality, which is in turn driven by the intended final application. In this talk we will explore the design of materials based ... -
Materials Design for N2O Capture: Separation in Gas Mixtures
(IOAP-MDPI, 2022-11-29)The adsorption of greenhouse gases (GHG) as a method to reduce their emissions into the atmosphere is an alternative that is easier to implement industrially and cheaper than other existing technologies, such as chemical ...