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A study of manganese-silicoaluminophosphate molecular sieves
ArticleAbstract: Surface and chemical characterization were performed on a manganese- substituted silicoaluminophosphPalabras claves:Brönsted acidity, Dehydrogenation, Dehydroisomerization, Mn-silicoaluminophosphates, Molecular sieves, n-butane, Platinum, Skeletal isomerizationAutores:Betancourt P., Carmen Milena López, Goldwasser J., Houalla M., Machado F.J., Mendez B., Pfaff C., Ramírez-Agudelo M.M., Tovar M.A., Vieira A.Fuentes:scopusComparison of vanadium carbide and nitride catalysts for hydrotreating
ArticleAbstract: Vanadium nitride and carbide were synthesized by the temperature-programmed reaction of ammonium vanPalabras claves:hydrotreating, Vanadium carbide, Vanadium nitride, Vanadium sulfideAutores:Albornoz A., Betancourt P., Joaquin L. Brito, Labadí M., Marrero S., Moronta D., Pfaff C., Rodríguez P.Fuentes:googlescopusEffect of hydrocalumite calcination as catalyst support on thiophene hydrodesulfurization reaction
ArticleAbstract: A Ca and Al lamellar double solid, hydrocalumite, was synthesized by using the co-precipitation methPalabras claves:Calcination, characterization, Hydrocalumite, ThiopheneAutores:Álvarez R., Baamonde M., Betancourt P., Corao M.C., Delgado J., Joaquin L. Brito, Linares C.F., Ocanto F.Fuentes:googlescopusEffect of the Pd on Pd-Mo/MCM-41 mesoporous catalysts in the hydrotreating of model molecules
ArticleAbstract: Catalysts with molybdenum as active phase at 12% wt. promoted with palladium at 0, 1, 2 and 3% wt. sPalabras claves:catalysts, Hydrotreatment, MCM-41, Pd-MoAutores:Betancourt P., Ernesto Luis Bastardo Gonzalez, Joaquin L. Brito, Méndez F.J., Rosales E.Fuentes:scopusGarnierite: A new support for hydrodesulfurization catalysts
ArticleAbstract: A Venezuelan garnierite sample from "Loma de Níquel" mine was treated with acid solutions of differePalabras claves:Acid treatment, Garnierite, Ni, Surface area, Thiophene reactionAutores:Acuña G., Betancourt P., Corao C., Joaquin L. Brito, Linares C.F., Ocanto F., Pérez F.Fuentes:googlescopusErratum: A study of manganese silicoaluminophosphate molecular sieves (Journal Molecular Catalysis: A Chemical (1999) A 144 (101-116))
OtherAbstract:Palabras claves:Autores:Betancourt P., Carmen Milena López, Goldwasser J., Houalla M., Machado F.J., Mendez B., Pfaff C., Ramírez-Agudelo M.M., Tovar M.A., Vieira A.Fuentes:scopusEvaluation of calcined hydrocalumite-type materials as supports of CoMo and NiMo for thiophene hydrodesulfuration reaction
ArticleAbstract: A hydrocalumite-type material (HC) was synthesized by the co-precipitation method, mixing Ca and AlPalabras claves:CoMo, Hydrocalumite, Hydrotreatment, NiMo, ThiopheneAutores:Álvarez R., Betancourt P., Bretto P., Corao C., Joaquin L. Brito, Linares C.F., Ocanto F.Fuentes:googlescopusStudy of venezuelan garnierites modified with ammonium hydroxide as support of hydrodesulfurization catalysts
ArticleAbstract: Garnierite, it is a compound forming for talc and serpentine mineral phases, it is rich in Ni. ThisPalabras claves:Ammonium hydroxide, Garnierite, HDS, Specific surface area, ThiopheneAutores:Acuña G., Betancourt P., Corao C., Joaquin L. Brito, Linares C.F., Martínez S., Ocanto F., Pérez F.Fuentes:googlescopusSynthesis, characterization and hydrotreating activity of nanostructured systems on carbon supported vanadium
ArticleAbstract: A novel synthesis route was designed to obtain highly active vanadium based catalysts. Three differePalabras claves:Activated carbon, EPR, Hydrotreatment, Nanoparticles, Vanadium carbideAutores:Betancourt P., Diaz Y., Joaquin L. Brito, Marrero S., Pedro Silva, Pinto-Castilla S.Fuentes:googlescopusUse of electron paramagnetic resonance techniques in the study of catalysts based on vanadium: Catalytic hydrotreating
ArticleAbstract: Electron Paramagnetic Resonance (EPR) is a sensitive spectroscopic method for the determination of tPalabras claves:Activated carbon, EPR, Hydrotreating Catalyst, Oxidic Soports, VanadiumAutores:Betancourt P., Pedro Silva, Pinto-Castilla S.Fuentes:scopus