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Selective adsorption of nitrogen compounds using silica-based mesoporous materials as a pretreatment for deep hydrodesulfurization
(Elsevier, 2018)
The adsorption of quinoline (Q) and dibenzothiophene (DBT)—model compounds for nitrogen and sulfur in
diesel fuels—over mesoporous SBA-15, SBA-16, and MCM-41 was studied. The Langmuir model was suitable for describing the ...
Síntese e avaliação catalítica de catalisadores microporoso, mesoporosos e micro-mesoporosos
(Universidade Federal de São Paulo, 2014)
ESTUDIO DE CATALIZADORES DE ORO PARA LA PRODUCCIÓN DE HIDRÓGENO
(2011-11-17)
Our present civilization strongly depends upon fossil fuels such as petroleum, natural
gas and coal. The increase in the concentration of CO2, a major green house effect gas in
the atmosphere, is due to the continuous ...
Improved stability in SBA-15 mesoporous materials as catalysts for photo-degradation processes
(Elsevier Science, 2016-09)
SBA-15 materials were modified with Cr, Ni and Fe and characterized by ICP, SAXS, XRD, N2 adsorption, TPR and UV–Vis DRS. Their photo-catalytic activity was evaluated for the degradation of Acid Orange 7 (AO7) in aqueous ...
Valorization of Rhizoclonium sp. algae via pyrolysis and catalytic pyrolysis
(Elsevier, 2016-03)
The valorization of Rhizoclonium sp. algae through pyrolysis for obtaining bio-oils is studied in this work. The reaction is carried out at 400 C, at high contact time. The bio-oil has a practical yield of 35% and is rich ...
Nopyl acetate production by esterification of acetic acid and nopol over heterogeneous catalysts
(Catálisis AmbientalMedellín, Colombia, 2020)
Formação de mesoporos na síntese de zeólitas ZSM-5 via nanomoldagem avaliação no craqueamento de n-decano
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Química - PPGEQ, 2008-04-04)
The use of zeolites in the cracking of hydrocarbons is limited because the molecules higher than 0.74 nm do not diffuse in their micropores. In the other hand, molecular sieves as MCM-41, MCM-48 ou SBA-15, whose diameters ...
Síntesis, funcionalización y caracterización de SBA-15 para la adsorción de fenol, p-nitrofenol y p-clorofenol desde solución acuosa
(Universidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - QuímicaDepartamento de QuímicaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2021)
Se sintetizaron sílices mesoporosas de tipo SBA-15 y se funcionalizaron con polianilina (SBA-15/PA), APTES (SBA-15/NH2) y EDTA (SBA-15/EDTA), a estos adsorbentes se les determinaron: parámetros texturales por medio de ...