35 Result(s)

Article

Hydrogen Production from Methane with CO₂ Utilization over Exsolution Derived Bimetallic NiCu/CeO₂ Catalysts

Hydrogen production from methane with CO₂ utilization over exsolution derived NiCu/CeO₂ catalysts was studied. To form highly dispersed supported bimetallic NiCu particles the Ce_0.75(NiCu)_0.25O_1.75 catalyst precu...

E. V. Matus, O. B. Sukhova, M. A. Kerzhentsev, I. Z. Ismagilov… in Catalysis Letters (2024)

Article

Spherical TiO₂/Cr₂O₃ Composites Synthesized with the Use of Ion-Exchange Resins as a Template

Two samples of TiO₂/Cr₂O₃ composites are synthesized in the form of spherical grains via the stagewise thermal treatment of ion-exchange resins preliminarily saturated with chromium Cr³⁺ cations and dichromate ...

A. A. Buzaev, A. O. Rogacheva, T. V. Larina, E. V. Dokuchits… in Catalysis in Industry (2023)

Article

Influence of the Preparation Method on the Physicochemical and Catalytic Properties of Platinum Catalysts Supported on Bayerite Alumina for the Partial Oxidation Reactions of Hydrocarbons

Platinum catalysts supported onto bayerite alumina were synthesized and studied. Alumina of the θ-Al₂O₃ type, which was prepared from metallic aluminum by an aluminate method, was used as a support, and platinum(...

K. I. Shefer, L. M. Kovtunova, V. N. Rogozhnikov, O. A. Stonkus… in Kinetics and Catalysis (2020)

Article

Synthesis of Highly Dispersed 2D Aluminum Cobalt Oxyhydroxide Compounds Based on Microwave-Activation Products of Crystalline Gibbsite

We have studied interaction between the microwave activation product of gibbsite and an aqueous cobalt nitrate solution at room temperature, atmospheric pressure, and pH 8.0 ± 0.3. The results demonstrate that...

A. V. Zhuzhgov, O. P. Krivoruchko, T. V. Larina, A. V. Ishchenko… in Inorganic Materials (2019)

Article

Effect of sorption conditions on the state of copper(II) ions in the phase of AN-31 ion exchange resin, according to data from ESR and UV–vis diffuse reflectance spectroscopy

It is found that the sorption recovery of copper ions from water solutions in the phase of AN-31 low basicity anion exchanger has a mixed character. It is established via diffuse reflectance spectroscopy that ...

E. A. Stroganova, V. F. Anufrienko, T. V. Larina… in Russian Journal of Physical Chemistry A (2017)

Article

Sol–gel synthesis of 2D and 3D nanostructured YSZ:Yb³⁺ ceramics

This paper presents results of a detailed study of fundamental aspects of the formation of 2D and 3D nanostructured YSZ:Yb³⁺ ceramics with a cubic structure through a key synthesis step in aqueous solutions of zi...

O. P. Krivoruchko, T. V. Larina, A. V. Ishchenko, E. V. Pestryakov… in Inorganic Materials (2017)

Article

Structural and morphological properties of Ce_1–x M _x O _y (M = Gd, La, Mg) supports for the catalysts of autothermal ethanol conversion

A complex of physicochemical methods (powder XRD analysis, transmission and scanning electron microscopy, electron spectroscopy of diffuse reflectance, low-temperature nitrogen adsorption) is used for the comp...

M. A. Kerzhentsev, E. V. Matus, I. Z. Ismagilov… in Journal of Structural Chemistry (2017)

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...

L. M. Plyasova, T. V. Larina, V. V. Kriventsov, V. I. Zaikovskii… in Kinetics and Catalysis (2015)

Article

Photoluminescence properties of microspherical alumina-chromium catalyst

The electronic structure of the model alumina-chromium catalyst CrO _x /Al₂O₃ for isobutane isomerization was investigated using the method of steady-state photoluminescence (PL)....

A. A. Rastorguev, M. G. Baronskiy, N. A. Zaitseva… in Inorganic Materials: Applied Research (2014)

Article

State of the copper-containing component and the catalytic properties of Cu/ZSM-5 in selective NO reduction with propane

Supported Cu/ZSM-5 catalysts have been synthesized by ion exchange and impregnation using aqueous ammonia solutions of copper nitrate containing orbital-ordered copper ions. The state of the copper-containing ...

R. A. Shutilov, G. A. Zenkovets, V. Yu. Gavrilov… in Kinetics and Catalysis (2014)

Article

Regularities of Lewis site formation upon the microwave irradiation of gibbsite-γ-Al(OH)₃

Spatially separated Lewis acidic and basic sites can be formed upon the microwave irradiation of gibbsite. This is demonstrated by IR spectroscopy and indicates the possibility of the selective activation of c...

A. V. Zhuzhgov, E. A. Paukshtis… in Russian Journal of Physical Chemistry A (2013)

Article

Low Temperature Catalytic Decomposition of Hydrogen Sulfide into Hydrogen and Diatomic Gaseous Sulfur

A new catalytic reaction of hydrogen sulfide decomposition is discovered, the reaction occurs on metal catalysts in gas phase according to equation ...

A. N. Startsev, O. V. Kruglyakova, Yu. A. Chesalov, S. Ph. Ruzankin… in Topics in Catalysis (2013)

Article

Appearance of absorption in the visible range in the microwave-induced dielectric gibbsite

O. P. Krivoruchko, A. V. Zhuzhgov, T. V. Larina, V. N. Parmon in Doklady Physical Chemistry (2013)

Article

The state of Cu²⁺ ions in concentrated aqueous ammonia solutions of copper nitrate

Stabilization of Cu²⁺ ions in concentrated aqueous ammonia solutions of copper nitrate in a wide range of ammonium ion concentrations has been studied by EPR and electronic absorption spectroscopy. Three types of...

V. F. Anufrienko, R. A. Shutilov, G. A. Zenkovets… in Russian Journal of Inorganic Chemistry (2012)

Article

Gas-phase epoxidation of butadiene: Effect of the concentration and distribution of cesium on the properties of the Ag/α-Al₂O₃ catalyst

Using the well-known patent methods, we have synthesized 1,3-butadiene epoxidation α-Al₂O₃ supported catalysts containing 15 wt % of Ag and 250–1500 ppm of Cs (Johnson Matthey, H16P07). The physicochemical proper...

D. S. Afanasev, T. V. Larina, N. I. Kuznetsova in Catalysis in Industry (2012)

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 ...

O. B. Belskaya, T. I. Gulyaeva, N. N. Leont’eva, V. I. Zaikovskii… in Kinetics and Catalysis (2011)

Article

Influence of heat treatment conditions on the physicochemical and catalytic properties of a chromium-containing catalyst for tetrachloroethylene hydrofluorination to pentafluoroethane

The physicochemical properties of coprecipitated 95% Cr₂O₃-5% Al₂O₃ oxide systems obtained by heat treatment of the precursor in nitrogen and air between 110 and 600°C and their influence on the catalytic activit...

L. G. Simonova, A. A. Zirka, S. I. Reshetnikov, T. V. Larina… in Kinetics and Catalysis (2011)

Article

Effect of oxygen adsorption on the surface plasmon resonance of oxide-supported silver nanoparticles

D. S. Afanasev, V. F. Anufrienko, S. F. Ruzankin… in Doklady Physical Chemistry (2011)

Article

Deactivation and oxidative regeneration of modern catalysts for deep hydropurification of diesel fuel: Oxidative regeneration of IK-GO-1 catalyst

Oxidative regeneration of a deactivated IK-GO-1 catalyst was studied in removal of carbonaceous deposits and sulfur from the catalyst composition. Elemental analysis data, texture characteristics, and catalyti...

S. V. Budukva, O. V. Klimov, G. S. Litvak… in Russian Journal of Applied Chemistry (2011)