Search Results - "Bonini, Norberto A."

Acidity evolution on highly dispersed chromium supported on mesostructured silica: The effect of hydrothermal treatment and calcination temperature by Cuesta Zapata, Pablo M., Gonzo, Elio E., Parentis, Mónica L., Bonini, Norberto A.

“…Mesoporous Cr-MCM-41 catalysts were synthesized, under different hydrothermal temperatures, by the sol-gel procedure using tetraethylorthosilicate (TEOS) as…”
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Cr/SiO2 mesoporous catalysts: Effect of hydrothermal treatment and calcination temperature on the structure and catalytic activity in the gas phase dehydration and dehydrogenation of cyclohexanol by Cuesta Zapata, Pablo M., Nazzarro, Marcelo S., Gonzo, Elio E., Parentis, Mónica L., Bonini, Norberto A.

“…•Sol–gel method (CTAB) followed by hydro-treatment leads to Cr-MCM-41 materials.•Hydrotreatment develops unsaturated Cr3+ centers catalyzing dehydration…”
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Amorphous Cr/SiO2 Materials Hydrothermally Treated: Liquid Phase Cyclohexanol Oxidation by Miranda, José Feliciano, Cuesta Zapata, Pablo M., Gonzo, Elio E., Parentis, Mónica L., Davies, Lilian E., Bonini, Norberto A.

“…Amorphous Cr–SiO 2 materials were synthesized by the sol–gel method and hydrothermally treated at temperatures between 150 and 220 °C. These materials were…”
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Effect of hydrothermal treatment on Cr-SiO2 mesoporous materials by Cuesta Zapata, Pablo M., Nazzarro, Marcelo S., Parentis, Mónica L., Gonzo, Elio E., Bonini, Norberto A.

“…Cr/SiO2 (MCM-41) materials were prepared by the sol–gel method by hydrolysis of tetraethylortosilicate (TEOS) using cetyltrimethylammonium bromide (CTAB) as a…”
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Acid sites development on Cr3+/SiO2 catalysts obtained by the sol–gel method and hydrothermal treatment: Effect of calcination temperature by Cuesta Zapata, Pablo M., Parentis, Mónica L., Gonzo, Elio E., Bonini, Norberto A.

“…•The sol–gel and hydrothermal treatment let to obtain Cr3+ incorporated to SiO2 support.•The Cr3+ ions are stable and resistant to segregation in air up to…”
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Synthesis of Cu/SiO2(MCM-41) mesostructured catalysts. Effect of the preparation method on the textural properties and chemical structure by Cuesta Zapata, Pablo M., Miranda, José F., Orellana, Francisco, Gonzo, Elio, Bonini, Norberto A.

“…Two Cu/SiO2 mesoporous materials (Cu-MCM-41) were synthesized, one by the ion exchange (IE) post-synthesis method and the other, by the sol-gel (SG) method by…”
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Study of bitterness perception of quinoa (Chenopodium quinoa wild.) saponin extracts by Bonfiglio, Gisella V., Wierna, Rita V., Bonini, Norberto A., Armada, Margarita, Goldner, María C.

“…The thresholds and behavior of bitterness perception over time were studied for quinoa saponins. The detection threshold was calculated in two ways using…”
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Amorphous Cr/SiO.sub.2 Materials Hydrothermally Treated: Liquid Phase Cyclohexanol Oxidation by Miranda, José Feliciano, Cuesta Zapata, Pablo M, Gonzo, Elio E, Parentis, Mónica L, Davies, Lilian E, Bonini, Norberto A

“…Amorphous Cr-SiO.sub.2 materials were synthesized by the sol-gel method and hydrothermally treated at temperatures between 150 and 220 °C. These materials were…”
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Acid sites development on Cr(3+)/SiO(2) catalysts obtained by the sol-gel method and hydrothermal treatment: Effect of calcination temperature by Cuesta Zapata, Pablo M, Parentis, Monica L, Gonzo, Elio E, Bonini, Norberto A

“…Cr/SiO(2) catalysts (4-8% Cr, w/w), obtained from Cr(III) salts and tetraethylortosilicate (TEOS), were prepared by the sol-gel method. After TEOS hydrolysis…”
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