Search Results - "Carriazo, J.G."

Cu and Co oxides supported on halloysite for the total oxidation of toluene by Carrillo, A.M., Carriazo, J.G.

“…•New catalysts for the toluene oxidation to CO2 were synthesized.•Copper and cobalt mixed oxides were supported on halloysite nanotubes.•Active and stable…”
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CuCo2O4 spinel supported on dealuminized metakaolinite for partial glycerol oxidation by Paredes-Quevedo, Laura C., Carriazo, J.G., Velasquez, Mauricio

“…A set of catalysts based on the mixed Cu-Co oxide supported on a porous dealuminized metakaolinite was synthesized and evaluated in the partial oxidation of…”
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Characterization of the carbonaceous materials obtained from different agro-industrial wastes by Ensuncho-Muñoz, A.E, Carriazo, J.G

“…This paper reports the preparation and characterization of carbonaceous materials obtained from three types of vegetable wastes provided by agricultural…”
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Spray-drying for the preparation of Al–Co–Cu pillared clays: A comparison with the conventional hot-drying method by Urruchurto, C.M., Carriazo, J.G., Osorio, C., Moreno, S., Molina, R.A.

“…This work reports the synthesis of pillared clays with Al, Al–Co, Al–Cu, and the new ternary system Al–Co–Cu. Natural clay (bentonite) was intercalated with…”
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Porous aluminosilicic solids obtained by thermal-acid modification of a commercial kaolinite-type natural clay by Torres-Luna, J.A., Carriazo, J.G.

“…Transformation of natural clay minerals is an interesting way to design new microporous solids with potential applications as adsorbents or heterogeneous…”
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Comparison of the Catalytic Performance of Ni, Mo, and Ni–Mo Impregnated on Acid Halloysite Nanotubes in the n‑Decane Hydroconversion by Torres-Luna, J. A, Moreno, S, Molina, R, Carriazo, J. G

“…Three catalysts such as Ni, Mo, and Ni–Mo, impregnated over acid halloysite (Ha-A), were synthesized and evaluated in the n-decane hydroconversion reaction. A…”
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Influence of iron removal on the synthesis of pillared clays: A surface study by nitrogen adsorption, XRD and EPR by Carriazo, J.G.

“…The present paper reports a surface study on the synthesis of pillared clays before and after removal of iron oxides (with sodium dithionite) from the clay…”
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Effect of Fe and Ce on Al-pillared bentonite and their performance in catalytic oxidation reactions by Carriazo, J.G., Centeno, M.A., Odriozola, J.A., Moreno, S., Molina, R.

“…A Colombian bentonite was modified by intercalation with polyhydroxocationic solutions of Al 3+ containing Fe 3+ and Ce 3+. Addition of these solutions led to…”
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A study on Al and Al–Ce–Fe pillaring species and their catalytic potential as they are supported on a bentonite by Carriazo, J.G., Molina, R., Moreno, S.

“…This work describes the synthesis and characterization by XRD of pillaring species in solid state, obtained from Al or Al–Ce–Fe polyhydroxocationic solutions,…”
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Incorporation of titanium and titanium–iron species inside a smectite-type mineral for photocatalysis by Carriazo, J.G., Moreno-Forero, M., Molina, R.A., Moreno, S.

“…The present paper reports the modification of a clay mineral by the incorporation of TiO 2 (anatase) and iron–TiO 2 species to obtain delaminated solids with…”
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Fractal dimension and energetic heterogeneity of gold-modified Al–Fe–Ce pilc’s by Carriazo, J.G., Molina, R., Moreno, S.

“…This paper studies the energetic and topographical changes that occur on the surface of a series of clays pillared with the mixed Al–Fe–Ce system and on the…”
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Gold supported on Fe, Ce, and Al pillared bentonites for CO oxidation reaction by Carriazo, J.G., Martínez, L.M., Odriozola, J.A., Moreno, S., Molina, R., Centeno, M.A.

“…A series of gold catalysts supported on Fe, Ce, and Al pillared bentonites have been prepared, characterized by means of X-ray diffraction (XRD), transmission…”
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Catalytic wet peroxide oxidation of phenol over Al–Cu or Al–Fe modified clays by Carriazo, J.G., Guelou, E., Barrault, J., Tatibouët, J.M., Moreno, S.

“…Al–Fe or Al–Cu modified clays were prepared from two natural montmorillonites and employed in the phenol oxidation with hydrogen peroxide in water. The samples…”
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Characterization by XRD and electron paramagnetic resonance (EPR) of waste materials from “Cerro Matoso” Mine (Colombia) by Hernández, Y., Carriazo, J.G., Almanza, O.

“…Materials from a mining process, in which ferronickel metal extraction is the principal aim, were studied. The residual solid (scum) obtained in this process…”
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