Search Results - "Asencios, Yvan JO"

Synthesis of high-surface-area γ-Al2O3 from aluminum scrap and its use for the adsorption of metals: Pb(II), Cd(II) and Zn(II) by Asencios, Yvan J.O., Sun-Kou, María R.

“…[Display omitted] ► Aluminum hydroxide obtained from aluminum scrap led to the formation of gamma alumina. ► Acidic pH of precipitation favored the formation…”
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Dry reforming of methane on Ni–Mg–Al nano-spheroid oxide catalysts prepared by the sol–gel method from hydrotalcite-like precursors by González, Albert R., Asencios, Yvan J.O., Assaf, Elisabete M., Assaf, José M.

“…•Nanospheric structures of mixed oxides were generated from Ni–Mg–Al layered double hydroxides.•The higher the calcining temperature of Ni–Mg–Al layered double…”
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Photocatalytic activity of Nb heterostructure (NaNbO3/Na2Nb4O11) and Nb/clay materials in the degradation of organic compounds by Asencios, Yvan J.O., Quijo, Marcella V., Marcos, Francielle C.F., Nogueira, André E., Rocca, René R., Assaf, Elisabete M.

“…[Display omitted] •Heterostructure of Nb (NaNbO3/Na2Nb4O11) showed very good photocatalytic activity.•Heterostructure of Nb was obtained by a simple and…”
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Removal of azo dyes in aqueous solutions using magnetized and chemically modified chitosan beads by Muedas-Taipe, Golfer, Maza Mejía, Ily M., Santillan, Fátima A., Velásquez, Carlos J., Asencios, Yvan J.O.

“…Azo dyes in wastewater coming from textile industry are detrimental, toxic, and affect the human health; therefore efficient wastewater treatments are needed…”
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Alkaline Modification of Arabica -Coffee and Theobroma -Cocoa Agroindustrial Waste for Effective Removal of Pb(II) from Aqueous Solutions by Lavado-Meza, Carmencita, De la Cruz-Cerrón, Leonel, Asencios, Yvan J O, Marcos, Francielle Candian Firmino, Dávalos-Prado, Juan Z

“…Arabica-coffee and Theobroma-cocoa agroindustrial wastes were treated with NaOH and characterized to efficiently remove Pb(II) from the aqueous media. The…”
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Hexagonal-Nb2O5/Anatase-TiO2 mixtures and their applications in the removal of Methylene Blue dye under various conditions by Ferraz, Nathália P., Marcos, Francielle C.F., Nogueira, André E., Martins, Alysson S., Lanza, Marcos R.V., Assaf, Elisabete M., Asencios, Yvan J.O.

“…To the best of our knowledge, catalysts based on mixtures of Hexagonal-Nb2O5/Anatase-TiO2 have not been well studied yet. In this sense, the aim of the present…”
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Combination of dry reforming and partial oxidation of methane on NiOaMgOaZrO2 catalyst: Effect of nickel content by Asencios, Yvan JO, Assaf, Elisabete M

“…The effect of nickel content on NiOaMgOaZrO2 catalysts was investigated. They were characterized by XRD, in-situ XRD, TPR and BET and tested in POM and DRM…”
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Alternative route for the synthesis of high surface-area η-Al^sub 2^O^sub 3^/Nb^sub 2^O^sub 5^ catalyst from aluminum waste by Nogueira, Francisco GE, Asencios, Yvan JO, Rodella, Cristiane B, Porto, André LM, Assaf, Elisabete M

“…This paper describes an alternative route for the production of a high-surface-area η-Al2O3/Nb2O5 catalyst synthesized from aluminum waste and niobium ammonium…”
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Hydrogen production by steam reforming of ethanol over Co sub(3)O sub(4)/La sub(2)O sub(3)/CeO sub(2) catalysts synthesized by one-step polymerization method by Carvalho, Flavio LS, Asencios, Yvan JO, Rego, Ana MB, Assaf, Elisabete M

“…Catalysts composed of Co sub(3)O sub(4)/La sub(2)O sub(3)/CeO sub(2) mixtures were synthesized by the one-step polymerization method, with the three precursors…”
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Oxidative-reforming of model biogas over NiO/Al2O3 catalysts: The influence of the variation of support synthesis conditions by Asencios, Yvan J.O., Elias, Kariny F.M., Assaf, Elisabete M.

“…•Precipitation pH and ageing T°C of Al2O3 influenced the performance of Ni/Al2O3.•Ni catalysts supported on Al2O3 obtained at pH 7 recorded high conversion…”
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Oxidative reforming of model biogas over NiOaY2O3aZrO2 catalysts by Asencios, Yvan JO, Rodella, Cristiane B, Assaf, Elisabete M

“…Catalysts composed of NiO/Y2O3/ZrO2 mixtures were synthesized by the polymerization method in a single step. They were characterized by X-ray diffraction…”
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Oxidative reforming of model biogas over NiO-Y sub(2)O sub(3)-ZrO sub(2) catalysts by Asencios, Yvan JO, Rodella, Cristiane B, Assaf, Elisabete M

“…Catalysts composed of NiO/Y sub(2)O sub(3)/ZrO sub(2) mixtures were synthesized by the polymerization method in a single step. They were characterized by X-ray…”
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Partial oxidation of methane on NiOaMgOaZrO2 catalysts by Asencios, Yvan JO, Nascente, Pedro AP, Assaf, Elisabete M

“…Catalysts containing mixtures of NiO, MgO and ZrO2 were synthesized by the polymerization method. They were characterized by X-ray diffraction (XRD),…”
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