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Article
Oxidative elongation of lower paraffins
It is shown that the oxidative condensation of ethane on CoMo/γ-Al2O3 catalysts is in principle possible. The conceivable paths of this reaction are analyzed.
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Article
Oxidative conversion of butane and pentane on superacid catalysts
Catalytic properties of AlBr3, AlBr3−CuCl2 and AlBr3−NiSO4 in liquid-phase conversion of butane and pentane have been examined. A possibility for the oxidative condensation has been revealed due to both the stoic...
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Article
Conversion of ethane over zeolite catalysts in the presence of oxygen and nitrogen(I) oxide
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A study has been made of the relationship between the catalytic properties of pentasils and mordenite in the ...
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Article
Peculiarities in oxidative conversion of methane to C2 hydrocarbons over CaO−CaCl2 catalysts
Experimental data for the oxidative dimerization of methane over CaO−CaCl2 systems indicate that C2 hydrocarbons are formed with the participation of chlorine generated by the catalyst surface under the effect of...
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Article
Several features of the dealumination of type Y zeolite using silicon tetrachloride and ethylenediaminetetraacetic acid
Dealumination of type Y zeolite using SiCl4 produces a statistically averaged distribution of Al and Si atoms in the framework. The action of H4EDTA causes defects in the backbone and partial amorphization of the...
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Article
Hydrocarbon conversion on ZSM-5 in the presence of N2O: relative reactivity
Conversions of methane, ethane, propane, benzene and hydrogen were studied on HZSM-5 at 418°C using binary mixtures R1:R2:N2O:He (where R1, R2 are substances under study). Relative reactivities were determined, a...
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Article
The Nature and Properties of Iron-Containing Nanoparticles Dispersed in an Aluminosilicate Matrix of Cenospheres
The forms of iron in the composition of cenospheres prepared from energy ashes are investigated using the electron paramagnetic resonance (EPR) method, Mössbauer spectroscopy, and thermodynamic analysis. Cenos...
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Article
Mathematical modeling of the motion of a portion of helium under pulsed injection over a fixed bed of cenospheres
A mathematical model is constructed and an analytical solution is obtained for the problem of a one-dimensional steady flow of a mixture of different gases with hollow permeable particles. The case of a one-di...
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Article
Polyfunctional microspherical materials for long-term disposal of liquid radioactive wastes
The possibility of immobilizing liquid radioactive wastes into polyfunctional microspherical materials of the block and powdered types is demonstrated. These materials are intended for reprocessing radioactive...
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Article
Helium permeability of microspherical membranes based on mullitized cenospheres
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Chapter and Conference Paper
Small Size Particles of Different Metal Alloys with Protective Shell for Hydrogen Storage
The work presents both theoretical and experimental studies of Mg–C, Ni–C, Mg–Ni–C composites. The composites were produced in carbon-helium plasma flow. The composites were hydrogenised directly in synthesis ...
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Article
Hydrogenation of the nanopowders that form in a carbon-helium plasma stream during the introduction of Ni and Mg
Composite nanoparticles consisting of magnesium, nickel, and carbon atoms are studied both theoretically and experimentally. The calculations performed in terms of the density functional theory show that the j...
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Article
New approach to the preparation of catalysts for the oxidative coupling of methane
A new approach to the preparation of systems that exhibit catalytic activity in the oxidative coupling of methane (OCM) is considered. With the use of ferrospheres separated from power-generation ashes from di...
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Article
Nature of the active sites of ferrospheres in the oxidative condensation of methane
The catalytic properties of ferrospheres containing 76–97 wt % Fe2O3 in the oxidative condensation of methane were compared with their phase composition and the distribution of iron cations over the crystallograp...
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Article
New method for regulating the activity of ABO3 perovskite catalysts
A new possibility of changing the activity and selectivity of perovskite catalysts in the oxidative conversion of methane was demonstrated using the Sr x Gd1–x ...
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Article
Crystal structure and some properties of europium(III) Catena-{tris(1,3-diethyl-2-thiobarbiturate)}
The [Eu(HDTBA)3] n complex (I), HDTBA is 1,3-diethyl-2-thiobarbituric acid (C8H12N2O2S) is synthesized and its structure is determined by X-ray crystallography. The crystals of
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Article
Crystal structure and electronic states of Co and Gd ions in a Gd0.4Sr0.6CoO2.85 single crystal
X-ray diffraction and X-ray absorption near edge structure (XANES) spectra have been measured at the Со K-edge and Gd L 3-edge in GdCoO3 and Gd0.4Sr0.6CoO2.85 cobaltites. The effec...
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Article
Thermal properties of rare earth cobalt oxides and of La1–x Gd x CoO3 solid solutions
Powder X-ray diffraction data for the crystal structure, phase composition, and molar specific heat for La1‒x Gd x CoO3 cobaltites in the temperat...
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Article
Crystal structure and properties of polymeric hexaaqua-hexakis-(2-thiobarbiturato)-disamarium(III)
The structure (CIF file CCDC No. 1401886) of the hexaaqua-hexakis(2-thiobarbiturato)-disamarium [Sm2(H2O)6(HTBA)6] n polymeric complex (I), where H2ТВА is 2-thiobarbituric acid,...
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Article
Polymeric lithium(I) diaquabarbiturate: Crystal structure
The lithium(I) catena-diaquabarbiturate complex [Li(H2O)2(HBA–O,O′)] n (I), where Н2ВА is barbituric acid, has been structurally characterized by X-ray diffraction (CIF file CCD...
