Listar QICM - Contribuciones a congresos científicos por título
Mostrando ítems 40-59 de 216
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Dehydration of glucose to 5-hydroxymethylfurfural using zirconium doped mesoporous silica as catalyst
Mérida Morales, Sandra; García-Sancho, Cristina
; Ginés-Molina, María José; Cecilia-Buenestado, Juan Antonio; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2019-10-03)
In recent years, the valorization of carbohydrates coming from lignocellulosic biomass. such as glucose, is gaining attention to obtain high value-added products like 5-hydroxymethylfurfural (HMF). The objective of this ... -
Desarrollo de catalizadores sólidos para la síntesis sostenible de dimetil isosorbida
Ginés-Molina, María José; Luque, Rafael; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús (2017-06-30)
En los últimos años, el interés creciente por la biomasa lignocelulósica como fuente renovable y sostenible para la producción de energía, biocombustibles y productos químicos con un amplio espectro de aplicaciones ha ... -
Deshidratación de glucosa a 5-hidroximetilfurfural mediante sílices mesoporosas dopadas con circonio
Maireles-Torres, Pedro Jesús; Moreno-Tost, Ramón; Cecilia-Buenestado, Juan Antonio; Ginés-Molina, María José; García-Sancho, Cristina; Mérida Morales, Sandra[et al.] (2019-07-01)
La búsqueda de nuevas fuentes de carbono se ha convertido en un objetivo esencial debido tanto a la disminución de las reservas de combustibles fósiles, como a la contaminación que su uso conlleva. El empleo de la biomasa ... -
Design and optimisation of new formulations of Belite-Alite Calcium Sulfoaluminate (BACSA) eco-cements
Londono-Zuluaga, Diana; Santacruz-Cruz, María Isabel; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles (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 ... -
Diffraction for industries, businesses and health
García-Aranda, Miguel Ángel (2019-10-01)
Se adjunta abstract en PDF- PDF abstract is attached -
Dispersion and optimization of a calcium sulfoaluminate mortar prepared with superplasticizer
Canto-González, David; Zea-Garcia, Jesus D.; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel (2016-06-29)
Calcium sulfoaluminate (CSA) cements/mortars are receiving increasing attention since their manufacture produces less CO2 than ordinary Portland cement (OPC) (up to 22% of decrease depending on its composition). These ... -
Doble activación de cementos BYF (belita-ye’elemita-ferrita) y su efecto en pastas y morteros
Pérez-Bravo, Raquel; Morales-Cantero, Alejandro; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles (2022-06-30)
Los eco-cementos tipo BYF se postulan como una alternativa a los PC (Cementos Portland) por su menor demanda de caliza. Estos están principalmente constituidos por tres fases: Belita (-C2S o -Ca2SiO4), Ye’elemita (C4A3S ... -
Early hydration study of standard and doped Alite-Belite-Ye’elimite (ABY) cements through Synchrotron Radiation
Zea-Garcia, Jesus D.; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Vallcorba, Oriol; Santacruz-Cruz, María Isabel[et al.] (2018-07-09)
The manufacturing of ye'elimite-rich cements releases from 15 to 37%, depending on their composition, less CO2 to the atmosphere than ordinary Portland cement (OPC). BYF cements containing belite, ye’elimite and ferrite ... -
Efecto sinérgico entre sales inorgánicas y γ-Al2O3 para la deshidratación de xilosa a furfural
Fúnez Núñez, Inmaculada; García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Serrano Cantador, Luis; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2018-07-04)
La biomasa lignocelulósica, con un alto contenido en hemicelulosa, es una de las principales fuentes de pentosas pentosas a partir de las cuales se pueden obtener biocombustibles y productos químicos de alto valor añadido, ... -
Effect of alkanolamines in kaolinitic calcined clays pozzolanic reactivity.
Koufany, Imane; Santacruz-Cruz, María Isabel; Rodríguez-Ruiz, María Dolores; Bescher, Eric P.; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles[et al.] (2023)
Five kaolinitic clays with different amounts of kaolinite, ranging between ~70 wt% and ~30 wt%, have been studied to unravel the possible activation effect of alkanolamines on the aluminate fraction of calcined clays. ... -
Effect of different retarders on the hydration of calcium sulfoaluminate eco-cement pastes
García-Maté, Marta; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Santacruz-Cruz, María 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 ... -
Effect of preparation conditions on the polymorphism and transport properties of lanthanum molybdates
Porras-Vázquez, José Manuel; López Vergara, Adrián; Infantes-Molina, Antonia; Canales-Vázquez, J.; Cabeza-Díaz, Aurelio; Losilla, Enrique R.; Marrero-López, David[et al.] (2017-10-24)
In this work, La6MoO12-based compounds were investigated as part of a new family of materials very competitive as hydrogen separation membranes [1,2]. La5.4MoO11.1 was synthesized by the freeze-drying precursor method and ... -
Effect of the modification of the cationic and anionic framework on the structural and electrical properties of lanthanum molybdates
López Vergara, Adrián; Bergillos-Ruíz, Marta; Porras-Vázquez, José Manuel; Marrero-López, David; Losilla, Enrique R. (2019-07-19)
Fluorinated lanthanum molybdates have been prepared at 1500 and 1200 ºC for 1 h and cooled down at 5 ºC min-1. The combination of anionic (F-) and cationic (Nb5+) doping stabilizes the cubic polymorph without needing a ... -
An efficient and sustainable biodiesel production in a mechanochemical pilot reactor under heterogeneous catalysis
Malpartida-García, Irene; Maireles-Torres, Pedro Jesús; Lair, Valentin; Halloumi, Samy; Thiel, Julien; Lacoste, François[et al.] (2018-07-17)
Fatty acid methyl esters (FAME) produced from vegetable oils or animal fats by transesterification, or from the esterification of fatty acids, with methanol, is labeled as ‘‘Biodiesel”. Current industrial processes for ... -
Electrocatalytic properties of cobalt phosphides and pyrophosphates derived from phosphonate-based-MOFs
Pérez-Colodrero, Rosario Mercedes; Cabeza-Díaz, Aurelio; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Cañamero-Cebrián, Fernando; Olivera-Pastor, Pascual[et al.] (2022)
As a class of coordination polymers (CPs), metal phosphonates (MPs) are constructed by coordination bonds connecting metal sites and phosphonate (RPO32−) ligands, where the metal sites are dispersed uniformly at the atomic ... -
Electrocatalytic properties of metal hydroxy-phosphonoacetate derivatives for OER, ORR and HER
Pérez-Colodrero, Rosario Mercedes; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Olivera-Pastor, Pascual; López González, María del Mar; Cabeza-Díaz, Aurelio; Del Río, Carmen[et al.] (2021)
Although Pt and Ru/Ir-based noble metal materials are the state-of-the-art electrocatalysts for energy storage and conversion, their applications are still limited by their scarcity and high price. Therefore, the design ... -
Electrocatalytic properties of spray-drying-synthesized cobalt or nickel phosphonate-derived materials.
Cabeza-Díaz, Aurelio; Vílchez-Cózar, Álvaro; Pérez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Cañamero-Cebrián, Fernando; Olivera-Pastor, Pascual[et al.] (2023)
As a class of coordination polymers (CPs), metal phosphonates (MPs) are constructed by coordination bonds connecting metal sites and phosphonate (RPO32−) ligands, where the metal sites are dispersed uniformly at the atomic ... -
Empleo conjunto de difracción de rayos X de polvo y microtomografía de laboratorio en la hidratación del cemento Portland.
Fernández-Sánchez, Jaime; Cuesta-García, Ana María; Shirani, Shiva; Redondo-Soto, Cinthya; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; León-Reina, Laura; Salcedo, Inés R.; García-Aranda, Miguel Ángel[et al.] (2023)
Se trataron los aspectos más generales sobre la química del cemento, la ciencia del hormigón, el empleo de nuevos materiales más eco-eficientes en la preparación de nuevos sistemas cementantes, revalorización de residuos ... -
Enhanced acidity properties of KIT6_Zr as solid catalyst for the dehydration of sorbitol to isosorbide
he modification of mesoporous silicas by incorporating heteroatoms (Zr, Al, Ti, among others) and / or treatment with mineral acids are an attractive strategy in heterogeneous catalysis for the preparation of solid acid ... -
Enseñanza-aprendizaje de contenido académico en inglés: análisis de una innovación/intervención/experiencia en un grado no bilingüe
Dos-Santos-Gómez, Lucía; Infantes-Molina, Antonia (2020-10-26)
La estrategia nacional de enseñanza superior dictada por la CRUE y la institucional de la Universidad de Málaga (UMA) afronta el reto de ofrecer una enseñanza de calidad en un idioma distinto a la lengua materna, mejorando ...