Výsledky vyhledávání - "O. V. Udalova"

Porous Silica Particles Modified in a NH3 + H2O + H2O2 Mixture: Structure, Filling with Cobalt Oxide, and Catalytic Activity for CO Conversion

Autor: T. N. Rostovshchikova, D. A. Eurov, M. V. Tomkovich, O. V. Udalova, M. I. Shilina, D. A. Kurdyukov, Demid A. Kirilenko

Publikováno v: Inorganic Materials. 57:906-912

Silica particles containing large mesopores (5–25 nm in size) and micropores (0.6–2 nm in size) have been prepared by chemical etching of spherical micro- and mesoporous silica particles in an ammonia + water + hydrogen peroxide mixture. The spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77486b82ed4f5ef792e5c00c37e885f9
https://doi.org/10.1134/s0020168521090053

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Laser Electrodispersion of Metals for the Synthesis of Nanostructured Catalysts: Achievements and Prospects

Autor: Irina Tarkhanova, Elena V. Golubina, I. N. Krotova, A. A. Bryzhin, Konstantin I. Maslakov, S. A. Gurevich, M. I. Shilina, O. V. Udalova, Ekaterina S. Lokteva, Denis A. Yavsin, T. N. Rostovshchikova, Vladimir M. Kozhevin

Publikováno v: Russian Journal of Physical Chemistry A. 95:451-474

Laser electrodispersion (LED) uniformly distributes metal over the external surface of a support as particles of strictly controlled size, composition, and shape. LED is used to synthesize model catalysts and determine the role of interaction between

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::befd672642a5b841b95d1ffffcab52ea
https://doi.org/10.1134/s0036024421030171

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Synergism in the actions of a transition metal cation and a Lewis acid in the liquid- and gas-phase catalytic conversion of alkanes over modified ZSM-5 zeolites under mild conditions

Autor: M. I. Shilina, S. M. Nevskaya, O. V. Udalova

Publikováno v: Kinetics and Catalysis. 54:691-702

Bimetallic catalysts have been prepared by successively modifying the high-silica zeolite ZSM-5 with cobalt and aluminum salts. The performance of these catalysts in the conversion of higher alkanes at medium temperatures (130–190°C) depends on wh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::338d3cd09f08e1354030562f5e035d6b
https://doi.org/10.1134/s0023158413060116

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The influence of additives and their concentration on the selectivity of catalysts based on heteropoly compounds in the reaction of propane oxidation

Autor: Vladimir N. Korchak, D. P. Shashkin, M. D. Shibanova, O. V. Krylov, O. V. Udalova

Publikováno v: Catalysis in Industry. 2:38-41

The catalytic properties and X-ray phase structure of molybdophosphoric heteropoly acid modified with Sb, W, and Nb ions have been studied in the reaction of propane oxidation. The additive of Nb ions increases the total activity of catalyst and its

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f2ee871b7f8114ce24699eaaf574560
https://doi.org/10.1134/s207005041001006x

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Changes in the phase composition of a multicomponent Co-Mo-Bi-Fe-Sb-K-O catalyst under conditions of the partial oxidation of isobutylene to methacrolein: A comparison with the oxidation of propylene to acrolein

Autor: D. P. Shashkin, O. V. Krylov, O. V. Udalova, M. D. Shibanova

Publikováno v: Kinetics and Catalysis. 49:407-412

The partial oxidation of isobutylene to methacrolein on a multicomponent multiphase Co-Mo-Bi-Fe-Sb-K-O catalyst and on catalysts from which some components were absent was studied. Activity and selectivity changes in the case of isobutylene oxidation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa8fe9911b05d049743ecc64a148d52c
https://doi.org/10.1134/s0023158408030142

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The heterogeneous catalytic oxidation of propylene in the presence of singlet oxygen in the reaction mixture

Autor: O. V. Udalova, Yu. N. Rufov, E. V. Khaula

Publikováno v: Russian Journal of Physical Chemistry A. 81:1511-1514

Three methods for the introduction of singlet oxygen into the reaction mixture were tested, including thermal generation of singlet oxygen on the catalyst itself, the introduction of singlet oxygen from an external source, and photogeneration of sing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cbf1b524df1015d01d3256547a35e36
https://doi.org/10.1134/s0036024407090324

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Action of Co-Mo-Bi-Fe-Sb-K Catalysts in the Partial Oxidation of Propylene to Acrolein: 1. The Composition Dependence of Activity and Selectivity

Autor: D. P. Shashkin, O. V. Krylov, O. V. Udalova, M. D. Shibanova

Publikováno v: Kinetics and Catalysis. 46:535-544

The role of various components of a multiphase oxide catalytic system in the partial oxidation of propylene to acrolein is investigated. Catalytic activity is studied for the Co6–8Mo12Fe2–3Bi0.5–0.75Sb0.1K0.1Ox catalyst, which is taken to be th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3701e8ba37c8610cda04165f074d485
https://doi.org/10.1007/s10975-005-0106-8

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