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Article
Water radiolysis in the presence of uranyl silicate
Uranyl silicates with different uranyl contents were synthesized. For comparison, the radiation catalytic activity of uranyl silicate with 10% uranium and starting silicate during the radiolytic decomposition ...
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Article
Heterogeneous water radiolysis in the presence of uranyl silicate
Uranyl silicates with different contents of uranyl are synthesized. For comparison, the radiationcatalytic activities of uranyl silicate with 10% of uranium and initial silicate are studied in the process of r...
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Article
Investigations of the temperature stability of constant magnets by the method of the Mössbauer spectroscopy
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Article
Temperature-programmed reaction of methane with Re- and Pt-containing oxide contacts
Mass-spectrometric data for the products of temperature-programmed reaction of methane with Re- and Pt-containing Al2O3 contacts show that the active sites for methane conversion to benzene over these systems are...
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Article
Mass-spectrometric an EPR studies of methane interaction with Re−Al−O oxide catalysts
The effect of oxidative-reductive pretreatment of Re−Al−O catalysts on their activity in methane aromatization has been established. Paramagnetic centers have been identified and their contribution to the conv...
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Article
IR spectra of methane adsorbed on MgO
Methane adsorbed on MgO is activated to form CH3 fragments stabilized on cations and OH groups.
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Article
Contribution of one-electron acceptor centers to oxidative dimerization of methane
The ESR method was used to identify paramagnetic centers in the Pb−Mg oxide system and to study its catalytic properties in oxidative dimerization of methane. Reaction rate is shown to correlate well with the ...
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Article
Activation of hydrocarbons in the oxidative dimerization of methane over alkaline earth metals
Oxidative dimerization of methane over alkaline earth metal oxides and phosphates has been studied. The ratedetermining step is heterolytic C−H bond dissociation of methane on surface basic sites of the cataly...
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Article
Influence of CO2 and H2O on methane conversion over oxide catalysts
It has been established that the introduction of CO2 and H2O to the reaction mixture when using freshly prepared catalysts, increases the overall methane conversion and decreases the yield of hydrocarbons. On cok...
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Article
High temperature catalytic synthesis of higher hydrocarbons from methane
It has been revealed that methane conversion to higher hydrocarbons over MgO catalyst involves the direct participation of heterogeneous catalyst at contact times of up to τ∼3s and is a homogeneous reaction at...
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Article
Silica-immobilized binuclear chromium-molybdenum complexes
ESR and UV spectra of a binuclear complex [n-(C4H9)4N]3 CrMoOCl9 in solution and supported on SiO2 have been studied. Upon fixing this complex followed by oxidation-reduction treatment, a highly disperse state is...
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Article
Reaction product distribution in allylic oxidation of propylene on a zinc-stibium oxide catalyst
Physico-chemical (ESR, X-ray photoelectron spectroscopy and phase analysis) and catalytic properties of a Zn−Sb−O catalyst have been studied. The distribution of the products of allylic oxidation was shown to ...
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Article
Propylene oxidation on supported molybdenum complexes of different nuclearity
Studies of the catalytic properties of supported mono-, bi- and polynuclear molybdenum complesex in propylene oxidation indicate that the most coordinatively saturated polynuclear complexes with the maximum br...
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Article
Ammoxidation of ethane on oxide catalysts
Ammoxidation of ethane on chromium- and scandium-molybdenum oxide catalysts has been studied. The rate-determining step of acetonitrile formation is shown to be C−H bond breaking in n-paraffins.
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Article
Synthesis of thiophene-2-thiol derivatives
New sulfides of the thiophene series were synthesized by reaction of thiophene-2-thiol with compounds containing active halogen atoms and double bonds. The products were characterized.
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Article
Synthesis and investigation of new synthetic sulfonate additives SSK-1 and SSB-1
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New synthetic sulfonate additives, SSK-1 and SSB-1, have been synthesized and studied. These additives are pr...
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Article
Production of mixed o- and p-isopropyltoluene by alkylation of toluene with propylene on aluminosilicates
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The process of obtaining mono-, di-, and triisopropyltoluenes by alkylating toluene with propylene in the pre...
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Article
Production of polymer resins from liquid pyrolytic products on a large experimental plant
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We have studied the initiation of the polymerization of a styrene concentrate isolated from liquid pyrolytic ...
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Article
Preparation of trimethylbenzenes
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The intermolecular methyl group redistribution of xylenes in the presence of aluminosilicate catalyst has bee...
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Article
Initiation of the polymerization of alkenylaromatic monomers in the 120–200°c fraction of tars obtained by oxidative pyrolysis of gasoline
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We have studied the initiated polymerization of the alkenylaromatic fractions boiling at 120–200°C and distil...
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