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Ni-catalysts supported on ZnxMg1-xAl2O4 for ethanol steam reforming: influence of the substitution for Mg on catalytic activity and stability
(Elsevier, 2013-04-15)
Ni catalysts supported on ZnxMg1xAl2O4 spinel oxide have been prepared by the wet impregnation method with 8 wt.% Ni. The samples were characterized by XRD, BET area, TPR, CO2–TPD, SEM–EDX and TPO and tested in the ethanol ...
Chelating agent effects in the synthesis of supported Ni nanoparticles as catalysts for hydrogen production
(Elsevier Science, 2021-07)
A series of Ni supported over MgAl2O4–CeO2 catalysts have been prepared by the wet impregnation method as catalysts for steam ethanol reforming. The synthesis was performed using nitrilotriacetic acid (NTA) or citric acid ...
Effects of adding La and Ce to hydrotalcite-type Ni/Mg/Al catalyst precursors on ethanol steam reforming reactions
(ELSEVIER SCIENCE BV, 2010)
Catalyst precursors composed of Ni/Mg/Al oxides with added La and Ce were tested in ethanol steam reforming (ESR) reactions. La and Ce were added by anion-exchange. The oxides were characterized by X-ray photoelectron ...
Reforma a vapor do etanol sobre catalisadores de Co - Ni/MgAl2O4: propriedades estruturais e catalíticas em função da temperatura de reação
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Química - PPGEQCâmpus São Carlos, 2016-08-05)
This thesis studied the effect of Co addition to Ni-based catalysts, focused on electronic and structural modification, as well as how these changes interfere on the catalytic properties, like reaction pathway and carbon ...
Óxidos mixtos derivados de hidrotalcitas como catalizadores para la obtención de n-butanol a partir de etanol
(Universidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - QuímicaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2022-10-28)
El etanol es un alcohol primario obtenido tanto por vía petroquímica como a partir de
biomasa. Entre los derivados más importantes que se obtienen del etanol se encuentra el
n-butanol, que se utiliza principalmente como ...
Steam reforming of glycerol over Ni/Mg/γ-Al 2O 3 catalysts. Effect of calcination temperatures
(Pergamon-Elsevier Science Ltd, 2012)
Determination of the spinel group end-members based on electron microprobe analyses
(Springer Wien, 2014-12-19)
The spinel group minerals have been the focus of many studies, not only because of their economic interest, but also due to the fact that they are very useful as petrogenetic indicators. The application End-Members Generator ...
A spectroscopic study of the globular cluster M28 (NGC 6626)
(2017)
We present the abundance analysis for a sample of 17 red giant branch stars in the metal-poor globular cluster M28 based on high-resolution spectra. This is the first extensive spectroscopic study of this cluster. We derive ...
Materiais estruturados para reforma a seco de metano
(Universidade Federal do Rio Grande do NorteBrasilUFRNPrograma de Pós-Graduação em Ciência e Engenharia de MateriaisCentro de Ciências Exatas e da Terra, 2012-12-10)
The implementations of new technologies that act to reduce emissions of the gases
responsible for increased greenhouse effect are often searched. The improvement of
these technologies depends mainly on the availability ...
Estudio de la influencia de la composición química y el proceso de síntesis en las propiedades fisicoquímicas de hidróxidos dobles laminares y sus derivados
(Universidad Autónoma Metropolitana (México). Unidad Azcapotzalco. Coordinación de Servicios de Información., 2014-12)
El presente trabajo resume diversos estudios realizados sobre la familia de materiales conocida como hidróxidos dobles laminares (LDHs por sus siglas en inglés) con el fin de entender y modular sus propiedades fisicoquímicas. ...