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  1. No Access

    Article

    Key Intermediates in the Hydrogenation of Carboxylic Acids on the Pt–ReOx/TiO2 Catalyst

    The reactivity of adsorbed acetic acid forms on the Pt–ReOx/TiO2 catalyst has been studied. Three adsorbed acetic acid forms were identified by in situ Fourier IR spectroscopy at 200°С: bidentate acetates and two...

    N. V. Makolkin, E. A. Paukshtis, V. V. Kaichev, A. P. Suknev… in Catalysis in Industry (2022)

  2. No Access

    Article

    Reactivity of Platinum Hydrides in the Selective Hydrogenation of Acetic Acid on Pt–ReOx/TiO2 Catalysts

    The interaction between hydrogen and subnanometer deposited Pt–ReOx particles active in dehydrogenation of carboxylic acids is investigated via in situ diffuse reflectance IR spectroscopy. Absorption bands of pla...

    N. V. Makolkin, H. U. Kim, E. A. Paukshtis, J. Jae… in Catalysis in Industry (2020)

  3. No Access

    Article

    INFLUENCE OF SILICA NANOPARTICLES ON THE PROPERTIES OF PAINT-AND-VARNISH COATING MADE OF PERCHLORVINYL ENAMEL

    Effect of nanosized silicon on mechanical properties, texture, and structure of a polymer paint-and-varnish coating made of gray KhV-16 enamel based on perchlorovinyl and glyphthalic resins is studied. It is e...

    V. Ts. Lygdenov, V. V. Syzrantsev… in Journal of Applied Mechanics and Technical… (2020)

  4. No Access

    Article

    Modern Catalysts and Methods of Nonoxidative Methane Conversion

    Modern methods of nonoxidative methane conversion, as well as catalysts used for this process were considered. The mechanisms of the transformation of the methane molecules on zeolite and metal oxide systems (...

    D. V. Golinskii, N. V. Vinichenko, E. V. Zatolokina… in Russian Journal of General Chemistry (2020)

  5. No Access

    Article

    Surface Properties of Gas Chromatographic Adsorbents Based on Silochrome S-80 Modified by Transition Metal 8-Oxyquinolinates

    IR spectroscopy and gas chromatography are used to study the acid–base and adsorption properties of the surface of Silochrome S-80 modified with 8-oxyquinolinates of cobalt(II), nickel(II) and copper(II). The ...

    A. I. Makarycheva, E. A. Paukshtis… in Russian Journal of Physical Chemistry A (2020)

  6. No Access

    Article

    Selective Hydrogenation of Acetylene on Pd Fiberglass Catalysts

    Key properties of silicate glasses are determined. These include the ability to stabilize the highly dispersed Pd nanoparticles in a bulk of fiberglass (FG), the high solubility of acetylene and hydrogen, and ...

    B. S. Bal’zhinimaev, E. A. Paukshtis, E. V. Kovalev in Catalysis in Industry (2020)

  7. No Access

    Article

    Hexadecane Conversion on an Alumina–Nickel Catalyst

    The conversion of hexadecane on a 4% Ni/Al2O3 catalyst in a temperature range of 20–300°C was studied using IR spectroscopy and catalytic methods. It was found that the dehydrogenation of hexadecane occurred at 2...

    V. V. Chesnokov, A. S. Chichkan, E. A. Paukshtis, Yu. A. Chesalov… in Kinetics and Catalysis (2019)

  8. No Access

    Article

    Catalytically Active Composite Material Based on TiO2/Cr2O3 Hollow Spherical Particles

    A method for the preparation of a SiO2–TiO2/Cr2O3(840) porous composite material in a block form with walls made of a silicate matrix and the interconnected channels of the matrix containing TiO2/Cr2O3(840) spher...

    A. O. Rogacheva, A. A. Buzaev, A. S. Brichkov, O. S. Khalipova… in Kinetics and Catalysis (2019)

  9. No Access

    Article

    Studying the Interaction between Water Vapor and a γ-Al2O3 Surface by IR Spectroscopy

    The interaction between a γ-Al2O3 surface and vapors of H2O and D2O is studied via IR spectroscopy. It is shown that surface hydroxyl groups of ОН and OD form at temperatures as low as 100–200°С. It is estimated ...

    S. D. Badmaev, E. A. Paukshtis, V. D. Belyaev… in Russian Journal of Physical Chemistry A (2019)

  10. No Access

    Article

    1H and 93Nb Solid-State NMR and IR Study of Acidity of Nanodisperse Nb2O5·nH2O

    Niobium oxide hydrate is a promising material for various heterogeneous catalytic processes due to its strong acidity and stability in aqueous medium. While different synthesis conditions may lead to various p...

    I. V. Yakovlev, E. Papulovskiy, E. A. Paukshtis… in Applied Magnetic Resonance (2019)

  11. No Access

    Article

    Joint Conversion of Methane with Pentane on Alumina–Platinum Catalysts Modified with Zirconium Oxide under Nonoxidizing Conditions

    The physicochemical properties of alumina–platinum catalysts with supports prepared by mixing aluminum and zirconium hydroxides have been studied. The chemisorption and nonoxidative conversion of methane in th...

    N. V. Vinichenko, D. V. Golinskii, E. V. Zatolokina… in Kinetics and Catalysis (2019)

  12. No Access

    Article

    Effect of Carbon Nanotube Admixture on Anthracene Coking

    The anthracene coking process has been investigated in the temperature range of 400–600°C. It has been shown that intermolecular interaction of two anthracene molecules resulting in the elimination of hydrogen...

    V. V. Chesnokov, A. S. Chichkan, E. A. Paukshtis in Petroleum Chemistry (2019)

  13. No Access

    Article

    New Data on the Ability of Alumina–Platinum Systems to Catalyze the Methane Aromatization Reaction under Nonoxidizing Conditions

    The state and size of the metal on the surface of aluminum oxide and the acidic properties of the support depending on the concentration of supported platinum were studied in this work. The effect of the Pt co...

    N. V. Vinichenko, D. V. Golinskii, E. V. Zatolokina… in Kinetics and Catalysis (2018)

  14. No Access

    Article

    Gas-Phase Carbonylation of Dimethoxymethane to Methyl Methoxyacetate on Solid Acids: The Effect of Acidity on the Catalytic Activity

    The gas-phase carbonylation reaction of dimethoxymethane (DMM) to methyl methoxyacetate on different solid acids was studied. It was established that this reaction was accompanied by the occurrence of a side r...

    S. D. Badmaev, A. S. Smorygina, E. A. Paukshtis, V. D. Belyaev… in Kinetics and Catalysis (2018)

  15. No Access

    Article

    Surface modification of single-walled carbon nanotubes by functional nitrogen-containing groups and study of their properties

    Treatment of single-walled carbon nanotubes (SWCNT) in a gaseous 40%NH3–1%С2Н2–C2H4 mixture at 600 and 700°С led to “nitrogen-containing carbon coating–single-wall carbon nanotubes” composites. Single-walled carb...

    V. V. Chesnokov, A. S. Chichkan, E. A. Paukshtis… in Doklady Physical Chemistry (2017)

  16. No Access

    Article

    Effect of the acid–base properties of the support on the catalytic activity of ethylene polymerization using supported catalysts composed of Cp2ZrX2 (X = Cl, Me) and Al2O3(F)

    Supported catalysts Al2O3/Cp2ZrX2 and Al2O3(F)/Cp2ZrX2 (X = Me, Cl) for the ethylene polymerization were synthesized by anchoring zirconocene on alumina and alumina, modified with 1–7 wt% fluorine (Al2O3(F)). The...

    V. N. Panchenko, I. G. Danilova… in Reaction Kinetics, Mechanisms and Catalysis (2017)

  17. No Access

    Article

    Steam reforming of dimethoxymethane, methanol and dimethyl ether on CuO–ZnO/γ-Al2O3 catalyst

    The performance of a СuO–ZnO/γ-Al2O3 catalyst for the reactions of methanol, dimethyl ether (DME) and dimethoxymethane (DMM) steam reforming (SR) to hydrogen-rich gas was studied. The catalyst was found to be act...

    A. A. Pechenkin, S. D. Badmaev, V. D. Belyaev, E. A. Paukshtis… in Kinetics and Catalysis (2017)

  18. No Access

    Article

    Hydrocracking vegetable oil on borate-containing catalysts: Effect of nature of support

    The structure, texture, and acid properties of platinum catalysts on oxide (Al2O3, ZrO2, ZrO2–Al2O3) and borate-containing supports (B2O3–Al2O3, B2O3–ZrO2) are studied. The catalysts are tested in the process of ...

    Yu. A. Chumachenko, M. V. Trenikhin, V. P. Talzi, T. I. Gulyaeva… in Kinetics and Catalysis (2017)

  19. No Access

    Article

    Preparing and studying Pt/WO3/ZrO2 catalysts for the isomerization of n-heptane

    The effect of the temperature of WO3/ZrO2 support calcination in the range of 700–1000°C on the phase composition, acid, and catalytic properties of Pt/WO3/ZrO2 catalysts is studied. Using ammonia TPD, it is foun...

    M. D. Smolikov, V. A. Shkurenok, S. S. Yablokova, D. I. Kir’yanov… in Catalysis in Industry (2017)

  20. No Access

    Article

    Study of the factors affecting the formation of copper–chromium/aluminum oxide compounds with a spinel structure

    The effect of the Cr3+/Al3+ ratio on the crystallization temperature of mixed oxide compounds with a spinel structure and their structural features and morphological characteristics have been studied using a comb...

    I. I. Simentsova, L. M. Plyasova, N. V. Shtertser… in Russian Journal of Inorganic Chemistry (2017)

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