Search Results - "Kondratenko, E.V"

Highly selective and stable propane dehydrogenation to propene over dispersed VOx-species under oxygen-free and oxygen-lean conditions by Ovsitser, O., Schomaecker, R., Kondratenko, E.V., Wolfram, T., Trunschke, A.

“… [Display omitted] ► Highly selective propane dehydrogenation to propene over SiO2-supported dispersed VOx species. ► Propene selectivity above 80% was…”
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Catalytic oxidative dehydrogenation of propane in the presence of O2 and N2O: the role of vanadia distribution and oxidant activation by KONDRATENKO, E. V, BAERNS, M

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Methane conversion into synthesis gas over supported well-defined Pt, Rh or Ru nanoparticles: Effects of metal and support by Kondratenko, V.A., Karimova, U., Kasimov, A.A., Kondratenko, E.V.

“…[Display omitted] •Catalysts with 1 nm Rh, Ru or Pt nanoparticles were tested in syngas production.•High activity and selectivity are achieved at metal loading…”
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Oxidative dehydrogenation of propane over differently structured vanadia-based catalysts in the presence of O2 and N2O by KONDRATENKO, E. V, CHERIAN, M, BAERNS, M

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On the nature and reactivity of active oxygen species formed from O 2 and N 2O on VO x /MCM-41 used for oxidative dehydrogenation of propane by Kondratenko, E.V., Brückner, A.

“…V n +⋯O − ( n = 4, 5) species, able to oxidize CO, C 3H 6, and C 3H 8 even at room temperature, are formed on prereduced highly dispersed VO x /MCM-41 upon…”
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Physicochemical and catalytic properties of glass crystal catalysts for the oxidation of methane by Anshits, A.G, Kondratenko, E.V, Fomenko, E.V, Kovalev, A.M, Bajukov, O.A, Anshits, N.N, Sokol, E.V, Kochubey, D.I, Boronin, A.I, Salanov, A.N, Koshcheev, S.V

“…Magnetic microspheres and cenospheres recovered from fuel ashes were studied by SEM, XRD, electron probe microanalysis, chemical analysis and Mössbauer…”
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The influence of defect nature on catalytic performance of Li, Na-doped MgO, CaO and SrO in the oxidative coupling of methane by Maksimov, N.G, Selyutin, G.E, Anshits, A.G, Kondratenko, E.V, Roguleva, V.G

“…The study of the defects in MgO, CaO doped by alkali metals and SrO has been carried out by ESR-method using γ-irradiation at 77 K. It established the…”
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Selectivity-directing factors of ammonia oxidation over PGM gauzes in the Temporal Analysis of Products reactor: Primary interactions of NH 3 and O 2 by Pérez-Ramírez, J., Kondratenko, E.V., Kondratenko, V.A., Baerns, M.

“…The Temporal Analysis of Products (TAP) reactor has been applied to study selectivity-directing factors of the high-temperature NH 3 oxidation to NO, N 2O, and…”
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Activation of dihydrogen on supported and unsupported silver catalysts by Hohmeyer, J., Kondratenko, E.V., Bron, M., Kröhnert, J., Jentoft, F.C., Schlögl, R., Claus, P.

“…H 2 activation on silver was investigated by temporal analysis of products (TAPs), IR spectroscopy, and calorimetry. H 2 adsorption on silver catalysts is…”
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Impact of preparation method on physico-chemical and catalytic properties of VOx/γ-Al2O3 materials by Schwarz, O., Habel, D., Ovsitser, O., Kondratenko, E.V., Hess, C., Schomäcker, R., Schubert, H.

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On the nature and reactivity of active oxygen species formed from O2 and N2O on VOx/MCM-41 used for oxidative dehydrogenation of propane by KONDRATENKO, E. V, BRÜCKNER, A

“…Vn + O[radical dot] - (n = 4,5) species, able to oxidize CO, C3H6, and C3H8 even at room temperature, are formed on prereduced highly dispersed VOx/MCM-41 upon…”
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Mechanistic aspects of N2O and N2 formation in NO reduction by NH3 over Ag/Al2O3: The effect of O2 and H2 by Kondratenko, V.A., Bentrup, U., Richter, M., Hansen, T.W., Kondratenko, E.V.

“…A mechanistic scheme of N2O and N2 formation in the selective catalytic reduction of NO with NH3 over a Ag/Al2O3 catalyst in the presence and absence of H2 and…”
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Oxidative dehydrogenation of propane over differently structured vanadia-based catalysts in the presence of O 2 and N 2O by Kondratenko, E.V., Cherian, M., Baerns, M.

“…The effect of the nature and distribution of VO x species over amorphous and well-ordered (MCM-41) SiO 2 as well as over γ-Al 2O 3 on their performance in the…”
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Selectivity-directing factors of ammonia oxidation over PGM gauzes in the Temporal Analysis of Products reactor: Secondary interactions of NH3 and NO by PEREZ-RAMIREZ, J, KONDRATENKO, E. V, KONDRATENKO, V. A, BAERNS, M

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Fundamental and combinatorial approaches in the search for and optimisation of catalytic materials for the oxidative dehydrogenation of propane to propene by Buyevskaya, O.V, Brückner, A, Kondratenko, E.V, Wolf, D, Baerns, M

“…An evolutionary approach was applied to create five generations of α-Al 2O 3-supported multi-metal-oxides to be used as catalytic materials for the oxidative…”
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A novel multi-channel reactor system combined with operando UV/vis diffuse reflectance spectroscopy: Proof of principle by Fait, M.J.G., Abdallah, R., Linke, D., Kondratenko, E.V., Rodemerck, U.

“…A 36 channel reactor system combining high-throughput experimentation (HTE) with operando UV/vis diffuse reflectance (UV/vis-DR) spectroscopy is introduced and…”
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Catalytic oxidative dehydrogenation of propane in the presence of O 2 and N 2O—the role of vanadia distribution and oxidant activation by Kondratenko, E.V, Baerns, M

“…For the oxidative dehydrogenation of propane (ODP), the initial rates of products formation over differently-loaded VO x /γ-Al 2O 3 catalytic materials…”
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Impact of preparation method on physico-chemical and catalytic properties of VO x /γ-Al 2O 3 materials by Schwarz, O., Habel, D., Ovsitser, O., Kondratenko, E.V., Hess, C., Schomäcker, R., Schubert, H.

“…Two preparation methods (wet saturation impregnation and ball-milling) were applied to produce VO x /γ-Al 2O 3 materials with comparable physico-chemical and…”
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Temperature-dependent N 2O decomposition over Fe-ZSM-5: Identification of sites with different activity by Berrier, E., Ovsitser, O., Kondratenko, E.V., Schwidder, M., Grünert, W., Brückner, A.

“…Decomposition of N 2O has been studied in the temperature range 293 < T < 673   K over Fe-ZSM-5 with 0.3 wt% extra-framework Fe after prereduction in H 2/Ar or…”
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Selectivity-directing factors of ammonia oxidation over PGM gauzes in the Temporal Analysis of Products reactor: Secondary interactions of NH 3 and NO by Pérez-Ramírez, J., Kondratenko, E.V., Kondratenko, V.A., Baerns, M.

“…Factors that direct the selectivity of ammonia oxidation for NO were determined previously (J. Catal. 227 (2004) 90) by the investigation of primary NH 3–O 2…”
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