Facultad Regional Córdoba: Materiales subidos recientemente
Mostrando ítems 281-300 de 712
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Influencia del proceso de síntesis de materiales mesoporosos ácidos en la obtención de HMF a partir de fructosa
(2019)Motivados por el agotamiento irreversible de los recursos fósiles, en la actualidad se realizan esfuer-zos en obtener moléculas orgánicas de valor agregado a partir de biomasa. El 5-hidroximetilfurfural (HMF) es, junto al ... -
Método para la reducción de costos en la fabricación de detalles de matricería en acero fundido D2
(2022)En este trabajo se le dará tratamiento a la problemática constante de las empresas nacionales fabricantes de matrices para lograr la reducción de costos y tiempos, y de esa manera ganar competitividad frente a sus pares ... -
Evaluación por simulador de controlador aplicado a procesos de separación e impulsión de hidrocarburos líquidos
(2021)En la producción de hidrocarburos líquidos, se extrae un flujo proveniente de pozos hidrocarburíferos que se concentra en instalaciones de superficie, llamadas baterías. En estas, se cuentan con bombas centrífugas que ... -
Influencia del proceso de síntesis de materiales mesoporosos ácidos en la obtención de hmf a partir de fructosa
(2020)Motivados por el agotamiento irreversible de los recursos fósiles, en la actualidad se realizan esfuer-zos en obtener moléculas orgánicas de valor agregado a partir de biomasa. El 5-hidroximetilfurfural (HMF) es, junto al ... -
Magnetic fe304@si02-pt and fe304@si02-pt@si02 structures for hdn of índole.
(2020)Se informa el efecto de una segunda cubierta porosa de SiO2 en la actividad y selectividad del catalizador Fe3O4@SiO2-Pt en la hidrodenitrogenación de indol. La doble estructura de Fe3O4@SiO2-Pt se preparó recubriendo ... -
2,5-dimethylfuran production by biomass via 5-hydroxymethylfurfural over bimetallic catalyst
(2020)En el presente trabajo se estudió la transformación catalítica de 5-hidroximetilfurfural (HMF) para producir 2,5-dimetilfurano (DMF) sobre catalizadores bimetálicos (PtIr) y monometálicos (Pt) soportados en materiales ... -
Bimetallic platinum/iridium modified mesoporous catalysts applied in the hydrogenation of hmf
(2020)The catalytic transformation of 5-hydroxymethylfurfural (HMF) to produce 2,5-dimethylfuran (DMF) was studied over bimetallic (PtIr) and monometallic (Pt) catalysts supported on CMK-3 and SBA-15 mesoporous materials. The ... -
New efficient syntheses of nanostructured mesoporous catalysts to be applied to catalytic hydrotreatment
(2021)The presence of polyaromatic and cyclic compounds in diesel has a negative effect on the environment and reduces the quality of diesel, in addition to lowering the cetane number, which indicates its ease of ignition. ... -
New catalyst source applied in biofuel manufacturing
(2021)A clean energy revolution is taking place all over the world in pursuit of replacing oil. This work stands out an environmental point of view by proposing biomass wastes from different industrial areas to produce not only ... -
Influence of ti incorporation to mesoporous carbon structure for 2,5 dmf production by biomass
(2021)Several metal an bimettallics catalysts were prepared in order to evaluate performance to produce 2,5- dimethylfuran (2,5-DMF) trough hydrogenolysis of 5-(hydroxymethyl) furfural (5-HMF). Detailed physico-chemical ... -
Revalorization of agro-industrial waste as a catalyst source for obtaining biofuels
(2021)This work deals with the bio-waste valorization approach for the catalyst development, the use of products derived biomass as raw material and the obtaining of biofuels. In this research activated carbons were synthesized ... -
Biofuel production using ordered mesoporous carbons with modified carbonaceous structure
(2021)Monometallic and bimetallic supported catalysts were developed to produce 2,5-dimethylfuran (DMF) trough hydrogenolysis of 5-(hydroxymethyl)furfural (HMF). Detailed physicochemical characterization was done in order to ... -
Agro-industrial waste as a source of catalyst production.
(2021)This work deals with the bio-waste valorization approach for catalyst development, the use of products derived from biomass as raw material and the obtaining of biofuels. In this research, activated carbons were synthesized ... -
Preparation, characterization and mathematical modeling of keterolac release conteined in lpsba-15 host
(2021)Drug-controlled release systems can keep the level of drugs in precise doses in the body above the optimal level and with low toxicity. We propose the LP-SBA-15 nanomaterial as a promising new host for drug delivery ... -
Hydrogen storage on a novel nanostructured carbón material modified with zirconia
(2021)In this work, we report the synthesis and characterization of zirconium oxide supported in nanostructured carbon material synthesized by a new direct synthesis technique. The goal of this new method is to avoid the use ... -
New method for Ccmk-3 synthesis modified with zr applied in h2 storage
(2021)In this work we develop a novel direct synthesis method of modified CMK-3 with zirconium oxide. This modification occurs during the synthesis process. Our assessment includes a one-step synthesis of nanostructured ... -
Mesoporous carbon cmk-3 modified with zirconia developed by direct synthesis technique applied in energy storage
(2021)Nanostructured carbon material (CMK-3) modified with zirconium oxide was synthesized by a new direct synthesis technique. Zirconium oxide dispersed in carbon materials (Zr-CMK-3) were characterized by X-ray diffraction, ... -
Novedoso método de síntesis del carbón mesoporoso cmk-3 modificado con circonio y su aplicación en almacenamiento de hidrógeno
(2021)En este trabajo, informamos la síntesis y caracterización del material de carbono nanoestructurado (CMK-3) modificado con óxido de circonio sintetizado por una nueva técnica de síntesis directa. Este material es prometedor ... -
Novel omc by nanocasting strategy for hydrogen adsorption
(2021)A silica material of the SBA-15 type with ultra-large pores (20 nm) was synthesized by the sol-gel method. This silica mesoporous material was impregnated twice consecutively with an acid solution of sucrose and the organic ... -
Mesoporous sulfate-zr-carbon nanomaterial: a new chemically active species.
(2021)In this work, we report the successful preparation of a nanomaterial with acidic properties from sulfated zirconium functionalized mesoporous carbon (SZr-MC). SZr-MC presents a new chemical species formed by bonding Carbon ...