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Preparation and characterization of new Ni-aluminosilicate catalysts and their performance in the epoxidation of (Z)-cyclooctene
(2007)
This work reports the preparation of two series of Ni-aluminosilicates by the sol–gel and the co-precipitation methods. The main difference between the two processes of synthesis is the pH of the initial mixture, 2 for the ...
Simulação clássica para análise de terras-raras em cristais e em vidro
(Pós-Graduação em FísicaUniversidade Federal de Sergipe (UFS), 2023)
Effect of nickel loading on hydrogen adsorption capacity of different mesoporous supports
(Springer, 2019-10-03)
Pure siliceous and aluminosilicate mesoporous molecular sieves of MCM-41 type have been used as support for nickel incorporation (2.5 wt%) by wet impregnation method. The hydrogen adsorption capacities at 77 K of these ...
Biolixiviación de níquel a partir de un saprolito garnierítico usando dos cepas de Acidithiobacillus thiooxidans
(Escuela de biocienciasUniversidad Nacional de Colombia - Sede Medellín, 2019)
This study evaluated independently two commercial strains of Acidithiobacillus thiooxidans, in the nickel bioleaching of a high grade laterite saprolite type sample, from the Cerro Matoso mine in Montelíbano, Colombia. The ...
Diseño y evaluación de nanomateriales tipo janus para aplicaciones en procesos de recobro químico mejorado (EOR)
(Departamento de Procesos y EnergíaUniversidad Nacional de Colombia - Sede Medellín, 2019-04-05)
La tecnología de inyección de nanofluidos (nanopartículas dispersas en un fluido de acarreo) ha sido estudiada en reducciones de tensión interfacial, aumentos de viscosidad de fase desplazante y en alteraciones de ...