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Article
Influence of the Ag Content on the Activity of Ag/CeO2 Catalysts in the Reduction of 4-Nitrophenol at Room Temperature and Atmospheric Pressure
Functionalized aromatic amines are an important basis for the production of pharmaceuticals, agrochemicals, polymers, dyes, and other industrially significant products. The catalytic reduction of nitroarenes t...
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Article
Influence of Preparation Method of Ag–CeO2 Catalysts on Their Structure and Activity in Soot Combustion
The exhaust gases from motor vehicles contain unburned soot particles that pollute the environment and have a detrimental effect on the human health. The solution to this problem requires the development of ne...
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Article
Effect of the metal−support interaction in Ag/CeO2 catalysts on their activity in ethanol oxidation
The interaction of silver with the surface of CeO2 in the Ag/CeO2 catalysts prepared by coprecipitation and impregnation techniques was studied by temperature-programmed reduction, X-ray diffraction, and high-res...
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Article
Preparation method effect on the physicochemical and catalytic properties of a methane dehydroaromatization catalyst
The molybdenum precursor effect on the physicochemical properties of the Мо/ZSM-5 catalyst and on its catalytic properties in nonoxidative methane conversion into aromatic hydrocarbons has been investigated. T...
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Article
Synthesis of Mg2+-, Al3+-, and Ga3+-containing layered hydroxides and supported platinum catalysts based thereon
The effect of the cationic composition of MgAl(Ga) layered double hydroxides on the structure, texture, and acid–base properties of related oxide supports for platinum catalysts has been investigated. As galli...
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Article
Effect of the Cr/Fe ratio on the structure of Fe-Cr-Cu-containing oxide catalysts
The morphology and structural and electronic states of nanodispersed copper ferrite-chromites of with different Cr/Fe ratios calcined at 900°C in an atmosphere of air were studied using a set of physical metho...
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Article
Structural and textural characteristics of systems based on layered Mg-Al hydroxides
Hydrotalcite-type layered Mg-Al hydroxides with Mg/Al ≥ 2 and related oxide systems have been synthesized and characterized. During the synthesis of the Mg-Al hydroxides with Mg/Al = 2 and 3, the interplanar s...
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Article
Deactivation of a Zn-Containing zeolite in ethane aromatization
Ethane conversion into aromatic hydrocarbons over a high-silica ZSM-5-type zeolite doped with zinc by impregnation has been investigated. The deactivation of the Zn-containing zeolite at different stages of et...
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Article
Ethanol steam reforming over Co/ZnO and Rh/Al2O3 catalysts in a microchannel catalytic reactor
The activity of Co/ZnO and Rh/Al2O3 catalysts in ethanol steam reforming was studied in a traditional tubular reactor with a fixed catalyst bed and in a microchannel reactor. At temperatures of 600 and 700°C, the...
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Article
Role of the support in the formation of the properties of a Pd/Al2O3 catalyst for the low-temperature oxidation of carbon monoxide
The Pd/Al2O3 catalysts were prepared by the impregnation of aluminum hydroxide, which was synthesized by precipitation in the presence of polyvinyl alcohol, with a solution of palladium nitrate and were heat-trea...
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Article
Isomerization of n-heptane on Pt/MOR/Al2O3 catalysts
Pt/MOR/Al2O3 catalysts with mordenite zeolite contents of 10 to 50 wt % are prepared. Solutions of H2PtCl6 and [Pt(NH3)4]Cl2 are used as precursors of Pt. It is shown by means of transmission electron microscopy ...
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Article
Reactivity and thermal stability of oxidized copper clusters on the tantalum(V) oxide surface
Oxidized copper clusters 2–5 nm in size have been obtained by RF discharge sputtering of a copper wire in an oxygen atmosphere. Isolated CuO clusters or, at long deposition times, their agglomerates form on th...
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Article
Formation of carbon nanofilaments from C6-C16 alkanes over nickel-containing catalysts
The properties of 85%Ni/Al2O3 and NiO/Sibunit series catalysts have been studied in the formation of carbon nanofilaments from n-hexane, n-undecane, and n-hexadecane. In the temperature range 450–600°C, the react...
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Article
Low-temperature oxidation of carbon monoxide over (Mn1 − x M x )O2 (M = Co, Pd) catalysts
(Mn1 − x M x )O2 (M = Co, Pd) materials synthesized under hydrothermal conditions and dried at 80°C have been characterized by X-ray diffraction, diffuse ...
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Article
Ethane aromatization on galloaluminosilicate modified with platinum and palladium
Ethane conversion into aromatic hydrocarbons on galloaluminosilicate of the ZSM-5 structural type modified with platinum and palladium was studied. The acid properties of the catalyst were investigated by ammo...
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Article
Cobalt boride catalysts for hydrogen storage systems based on NH3BH3 and NaBH4
The catalytic activity of cobalt borides forming in situ under conditions of NH3BH3 and NaBH4 hydrolysis have been investigated. The reaction properties of the catalysts depend on the nature of the hydride. Accor...
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Article
Effect of surfactants on the structure and texture characteristics of aluminum oxide
The effect of surfactants (polyvinyl alcohol and cetyltrimethylammonium bromide), which were introduced at the aluminum hydroxide synthesis stage, on the structure and texture characteristics of aluminum oxide...
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Article
Formation of platinum sites on layered double hydroxide type basic supports: II. Effect of the nature of the interlayer anion of the layered aluminum-magnesium hydroxides on platinum binding and Pt/MgAlO x formation
The interaction of aqueous H2PtCl6 solutions with hydrotalcite-type aluminum-magnesium hydroxides differing in the nature of their interlayer anion is reported. In the case of CO 3 ...
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Article
Formation of platinum sites on layered double hydroxides type basic supports: I. Effect of the nature of the interlayer anion on the structure characteristics of the layered aluminum-magnesium hydroxide and the formation of an oxide phase
A layered aluminum-magnesium hydroxide of the hydrotalcite type containing interlayer carbonate counterions (HT-CO3) and activated hydrotalcite containing interlayer OH− ions (HT-OH) were studied for the subseque...
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Article
Effect of the nature of the additives of metal cations (Sr, Ba, and La) on the properties of Co-Mo hydrodesulfurization catalysts
The effect of the nature of the support modified with the ions of alkaline earth and rare earth elements (Sr, Ba, and La) on the properties of Co-Mo catalysts for the hydrodesulfurization of dibenzothiophene (...