Listar QICM - Contribuciones a congresos científicos por título
Mostrando ítems 124-143 de 209
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Photocatalytic behavior of phosphonate-based hybrid materials on dyes and phenols degradation
(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 ... -
Porous aluminosilicates as acid catalysts for glucose dehydration to 5-hydroxymethylfurfural
(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 ... -
Portland cement pastes analysed by synchrotron and laboratory X-ray imaging
(2020)Portland Cement (PC) is the most used construction material and the derived building materials have very complex hierarchical microstructures. Quantitative characterization of their microstructures is of paramount importance ... -
Preparation and characterization of phosphorus-containing electrocatalyst for OER, HER and ORR.
(2022-11)Phosphorus-based materials, such as transition metal phosphides and phosphates/pyrophosphates, have drawn considerable attention as promising alternatives to noble metal-based catalysts (Pt, Ru, Ir) owing to their widely ... -
Preparation of N-doped Carbon/Metal Phosphides as Promising Trifunctional Electrocatalysts Toward the OER, ORR and HER
(2022-07-27)Sustainable energy storage and conversion technologies, such as electrochemical water splitting and fuel cells, attracts increasing attention as alternative processes to advance toward a global decarbonation. However, the ... -
Processing and characterisation of Calcium SulfoAluminate (CSA) eco-cements coated with a hybrid organo-inorganic material for photocatalytic applications
(2015-07-27)On the one hand, Calcium SulfoAluminate (CSA) eco-cements are receiving increasing attention since their manufacture produces up to 40% less CO2 than ordinary Portland cement (OPC). In addition, they show interesting ... -
Processing and characterisation of calcium sulphoaluminate ecocements containing Microencapsulated Phase Change Materials
(2018-07-17)Calcium SulphoAluminate (CSA) cements can be considered as ecocements, since their production releases up to 40% less CO2 than Ordinary Portland Cement (OPC) [1]. In addition, Microencapsulated Phase Change Materials (MPCM) ... -
Processing and hydration activation of limestone calcined clay belite rich cements.
(2023)Belite-rich limestone calcined clay cements, BR-LC3, could be an alternative for low carbon binders with potentially very good durability properties, given the high amount of C-S-H gel from the cement hydration with ... -
Producción de 5-etoximetilfurfural desde azúcares derivados de la biomasa usando zeolitas en procesos de 1 y 2 pasos
(2021)En este trabajo se ha comprobado la efectividad de la zeolita beta (relación molar Si/Al= 10) en la isomerización de glucosa a fructosa y su deshidratación a HMF, y posterior eterificación a EMF, en un solo paso en etanol, ... -
Proton Conduction Properties of Metal phosphonates and Application as Fillers in PEMFCs
(2022-07)Metal phosphonate (MP)-based coordination polymers (CPs) are structurally versatile multifunctional compounds containing different acidic groups such as P-OH; SO3H, COOH, N+-H, etc. These features result in the formation ... -
Proton conductivity and luminiscence properties of lanthanide aminotriphosphonates
(2016)Metal phosphonates are multifunctional solids with tunable properties, such as internal H-bond networks, and high chemical and thermal stability [1]. In the present work, we describe the synthesis, structural characterization, ... -
Proton Conductivity in Sulfate-Containing Lanthanide Nitrilotris-methylphosphonates
(2019-09-12)Multifunctional metal phosphonates are coordination polymers (CPs) whose structures are usually composed of extended hydrogen-bond networks and thus making them potential candidates as proton conductors [1]. Moreover, these ... -
Proton conductivity of lanthanide nitrilotris-methylphosphonates
(2017-07-10)Multifunctional metal phosphonates are acidic coordination polymers (CPs) with remarkable stability and proton conducting properties owing to their structure is usually composed of extended hydrogen-bond networks that favor ... -
Proton conductivity of multifunctional metal phosphonate frameworks
(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 ... -
Proton conductivity properties of novel tin(II) phosphonates
(2024-01-16)Metal phosphonates (MPs), a subclass of coordination polymers, may exhibit acidic groups such as P-OH, SO3H, COOH, N+-H, etc. Combining these features with interesting metals make them highly appealing in the field of fuel ... -
Proton Conductors based on Metal Phosphonate Hybrid Materials for PEM Fuel Cells
(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 ... -
El proyecto GLOSARIO-SEA. Traducción y adapatación del glosario de la Clay Minerals Society (CMS)
(Macla, 2022)El proyecto de realización de un glosario relacionado con las arcillas se planteó como objetivo de la Sociedad Española de Arcillas (SEA) durante su reunión en Madrid en 2016. Para el proyecto se propuso como coordinador ... -
Pt-Fe2O3 based catalysts for anisole hydrodeoxygenation
(2021)The depletion of fossil fuels along with massive emissions of greenhouse gases (GHG) emissions are serious issues facing society nowadays. Considering that almost a quarter of fossil fuel consumption is associated with the ... -
Ptychographic X-ray computed tomography analysis of cement pastes
(2019-10-04)Ptychographic X-ray computed tomography provides 3D electron mass density and attenuationcoefficient distributions of unaltered cement pastes with an isotropic resolution below 100 nm. Thisimaging technique allows ... -
PXRD and PDF analysis of multifunctional lanthanide nitrilotris-methylphosphonate-based proton conductors
(2017-10-17)Metal phosphonates are multifunctional solids which possess tunable properties, such as H-bond networks, while exhibiting high chemical and thermal stability. Depending on the protonation of the ligand, different crystalline ...