Browsing by Subject "Catalyst supports"
Now showing items 1-11 of 11
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Effects of reaction temperature and support composition on the mechanism of water - Gas shift reaction over supported-Pt catalysts
(2011)The present work reports on a detailed study of the effect of support chemical composition and reaction temperature on the mechanism of the water-gas shift (WGS) reaction over supported-Pt catalysts. The effect of the same ...
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Effects of W6+ doping of TiO2 on the reactivity of supported Rh toward NO: Transient FTIR and mass spectroscopy studies
(1997)The transient adsorption and dissociation of NO over Rh supported on undoped and W6+-doped TiO2 in the temperature range of 25-450°C has been studied by FTIR and mass spectroscopy. It was found that at 25 °C three kinds ...
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Low-temperature catalytic decomposition of ethylene into H2 and secondary carbon nanotubes over Ni/CNTs
(2010)The present work reports on the production of H2 and secondary carbon nanotubes (CNTs) during catalytic decomposition of ethylene over a novel catalytic system, namely, nickel supported on carbon nanotubes (Ni/CNTs) at ...
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Low-temperature conversion of phenol into CO, CO 2 and H 2 by steam reforming over La-containing supported Rh catalysts
(2012)The steam reforming of phenol in the low-temperature range of 350-550°C was studied over 0.5wt% Rh supported on Ce 0.15Zr 0.85O 2, Zr 0.93La 0.07O 2, and Ce 0.13Zr 0.83La 0.04O 2 mixed metal oxides. The reforming specific ...
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Low-temperature purification of gas streams from phenol by steam reforming over novel supported-Rh catalysts
(2010)The purification of gas streams from phenol at low-temperatures (350-550 °C) was investigated by its reaction with steam over novel catalytic systems, namely 0.5 wt% Rh supported on Ce0.15Zr0.85O2, Ce0.15Zr0.83Mg0.02O2 and ...
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N2O decomposition over ceria-promoted Ir/Al2O3 catalysts: The role of ceria
(2016)The impact of CeO2 in the Al2O3-20wt% CeO2 support prepared by the co-precipitation method on the Ir particle size, morphology and oxidation state, and in turn on the deN2O catalytic activity (1000ppmN2O) of supported Ir ...
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Article
NO x control via H 2-selective catalytic reduction (H 2-SCR) technology for stationary and mobile applications
(2012)This review paper provides an overview of the use of hydrogen (H 2) gas towards the selective catalytic reduction of nitrogen oxides (NO x) under strongly oxidizing conditions found in many industrial flue gas streams and ...
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Reforming of methane with carbon dioxide to synthesis gas over supported Rh catalysts
(1994)Reforming of methane with carbon dioxide to synthesis gas (CO/H2) has been investigated over rhodium supported on SiO2, TiO2, γ-Al2O3, MgO, CeO2, and YSZ (ZrO2 (8 mol% Y2O3)) catalysts in the temperature range of 650-750°C ...
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Tailoring MgO-based supported Rh catalysts for purification of gas streams from phenol
(2012)The present work is focused on the sol-gel synthesis, characterization and catalytic performance evaluation of novel Mg-Ce-Zr-O-based mixed oxides supported Rh catalysts for the purification of H 2-rich gas streams from ...
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Temperature programmed reduction of silica supported nickel catalysts
(1993)Nickel oxide promoted catalysts are prepared by simple precipitation, precipitation from homogeneous solution and impregnation methods and their reduction behavior is monitored with temperature programmed reduction (TPR) ...
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Transient isotopic kinetic study of the NO/H2/O2 (lean de-NOx) reaction on Pt/SiO2 and Pt/La-Ce-Mn-O catalysts
(2004)Steady-state isotopic transient kinetic analysis (SSITKA) coupled with temperature-programmed surface reaction (TPSR) methods and using in situ mass spectroscopy and DRIFTS have been applied for the first time to study ...