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315 Newest Publications in kinetics and catalysis

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Fischer-Tropsch synthesis catalysts as the core of the strategy for obtaining synthetic liquid fuels

27-Nov-2012 | A. Yu. Krylova, Kinetics and Catalysis, 2012

The Fischer-Tropsch synthesis is a practically significant reaction catalyzed by Fe and Co, which are active at different H2: CO ratios of 0.5 and 2, respectively. For this reason, Fe-containing catalysts are preferentially used in coal-to-liquids (CTL) and biomass-to-liquids (BTL) processes, ...

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Nonlinear base models of macrokinetics

27-Nov-2012 | V. I. Bykov, S. B. Tsybenova, Kinetics and Catalysis, 2012

The conception of base macrokinetic models of processes taking place on the catalyst surface has been developed by analysis of nonlinear distributed models. This conception implies a parametric analysis of the simplest models allowing multiple steady states, self-oscillations, and the existence ...

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Ethane aromatization on galloaluminosilicate modified with platinum and palladium

27-Nov-2012 | V. I. Zaikovskii, L. N. Vosmerikova, A. V. Vosmerikov, Kinetics and Catalysis, 2012

Ethane conversion into aromatic hydrocarbons on galloaluminosilicate of the ZSM-5 structural type modified with platinum and palladium was studied. The acid properties of the catalyst were investigated by ammonia temperature-programmed desorption. The microstructure and composition of the Pt- and ...

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Synthesis of nanostructured electrocatalysts based on magnetron ion sputtering

27-Nov-2012 | A. A. Fedotov, S. A. Grigor’ev, A. S. Glukhov, K. A. Dzhus’, V. N. Fateev, Kinetics and Catalysis, 2012

Nanostructured platinum catalysts for electrochemical systems with proton-exchange membranes (PEMs) have been synthesized by magnetron ion sputtering on a carbon support. The design of the powder support stirrer has been optimized to ensure uniform surface coverage with platinum metal ...

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Novel double-SO3H functionalized ionic liquid for acetylation

27-Nov-2012 | Lili Zhu, Xuezheng Liang, Kinetics and Catalysis, 2012

Novel double-SO3H functionalized ionic liquid (DFIL) was synthesized and its catalytic activities for acetylation studied. The result showed that the DFIL possess high acidity and was very efficient for the acetylation of alcohols, amines and phenols with good to excellent yields in short ...

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Role of α-Sites in the selective catalytic reduction of NO x with ammonia over Fe-ZSM-5 catalysts

27-Nov-2012 | D. E. Doronkin, L. V. Piryutko, E. V. Starokon’, G. I. Panov, A. Yu. Stakheev, Kinetics and Catalysis, 2012

The catalytic properties of Fe-ZSM-5 zeolites with different iron contents have been investigated in the selective catalytic reduction (SCR) of NOx with ammonia. The observed catalytic properties the zeolites are correlated with the concentration of the iron-containing sites that are stabilized ...

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Nafion-H®: A recyclable and diastereoselective solid acid catalyst for three-component mannich reaction

27-Nov-2012 | Yang Suling, Li Gang, Long Yunling, Kinetics and Catalysis, 2012

One-pot, three-component Mannich reactions of ketones, aldehydes and amines are efficiently catalyzed by heterogeneous Nafion-H® ambient temperature to give the corresponding β-amino ketones compounds in good to excellent yields. The catalyst can be easily recovered and reused without any ...

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Main reactions determining heat evolution in hydrogen-oxygen combustion

27-Nov-2012 | V. V. Azatyan, Z. S. Andrianova, A. A. Borisov, A. N. Ivanova, Kinetics and Catalysis, 2012

The contributions from various elementary reactions to the overall heat evolution rate in the propagation of hydrogen-air flames at atmospheric pressure have been determined. The study has been carried out by solving the system of kinetic equations and a heat balance equation, involving component ...

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Inhibiting effect of 5-amino-5-methyluracil and its derivatives on the free-radical oxidation of 1,4-dioxane

27-Nov-2012 | L. R. Yakupova, R. A. Sakhautdinova, E. Yu. Pankratyev, R. L. Safiullin, Kinetics and Catalysis, 2012

The antiradical activity of 5-amino-6-methyluracil in the initiated radical-chain oxidation of 1,4-dioxane as a model system was studied quantitatively. The rate constant k 7 of its reaction with the peroxyl radical of 1,4-dioxane was measured to be (5.6 ± 1.8) × 105 L mol−1 s−1 at 333 K. The ...

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Lipase-catalyzed acylation in a continuous down-flow fixed-bed reactor

27-Nov-2012 | S. Sahin, P. Mäki-Arvela, M. Kangas, K. Eränen, J. Wärnnå, T. Salmi, D. Yu. Murzin, Kinetics and Catalysis, 2012

The kinetic resolution of racemic 1-phenylethanol with ethyl acetate was investigated in a down-flow fixed-bed reactor operated in a continuous mode mainly at the molar ratio of 1: 3 in 400 mL toluene at 70°C. The catalytic activity of the immobilized lipase was studied by: (i) changing the flow ...

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