Partial oxidation of methane
Rate oscillations during partial oxidation of methane over chromel–alumel thermocouples
... The complexity of the reaction pathways involved in the partial oxidation of methane can result in oscillatory kinet- ics under certain circumstances. Such oscillations have been observed over ...
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Optimization of Partial Oxidation of Methane for Hydrogen Production on NiO-CoO/MgO Catalyst Using Design of Experiment
... Choudhary et al. (1998) and Ruckenstein and Hu (1999) reported that the Ni-MgO catalyst showed high activity and selectivity in the process with very low carbon deposition rates. It was suggested that the formation of a ...
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Core-Shell Redox Catalyst for Partial Oxidation of Methane with Active Lattice Oxygen.
... 131 be effective, the aforementioned oxides face such challenges as high cost, low activity, and/or limited selectivity due to their thermodynamic and/or kinetic properties. Nickel based oxides are one of the more ...
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Oscillatory behaviour during the partial oxidation of methane over cobalt wires and foils
... the oxidation of methane for both the cobalt foil and wire at low and high temperature are depicted in ...with methane/oxygen ratios ranging from 2:1 to ...the oxidation reaction started, it ...
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Oscillatory behaviour during the partial oxidation of methane over nickel foils
... The modi®ed thermocouple was made by spot-weld- ing a piece of rectangular nickel foil (5 mm long 4 mm wide, thickness 0.05 mm, 99.98%Ni, obtained from Goodfellow) with 0.5 mm diameter chromel and alumel wires ...
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The effects of reactor material and convective heat transfer coefficient on methane catalytic partial oxidation in a micro channel
... Laminar flow model and component transmission model is employed. The method for solving the problem is the SIMPLE algorithm. Import speed inlet boundary (the residence time of the gas mixture in the tube is much larger ...
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Review on Innovative Catalytic Reforming of Natural Gas to Syngas
... syngas. Partial oxidation is an exothermic reaction and, thus, considered more economic than the processes of steam reforming or dry reforming, because it requires a smaller amount of ther- mal ...the ...
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A single-step catalytic process for the conversion of methane to gasoline over tungsten zeolite catalysts
... of methane to more valuable chemicals without involving synthesis gas has long been considered good in catalysis ...studies. Methane can be converted to higher hydrocarbons via the oxidative coupling of ...
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Exploring Novel Catalysts for Selective Oxidation of Methane into Value added Chemicals.
... selective oxidation because of their low cost and ability to exhibit excellent partial oxidation (Larimi and Alavi 2012; Choudhary et ...of methane as well as for partial ...
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Investigation into gas flaring reduction in the oil and gas industry
... 46 reactors’ applications use inorganic membranes, which can be dense or porous, inert or catalytically active. Because of the generally severe conditions of heterogeneous catalysis, this has led scientists to pay ...
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The Problem of Toxicity of Gas Engines and their Solutions
... deep oxidation of methane, for example, in processes of heating of technological gases (synthesis of nitric acid, ...with methane, among which there can be products of decomposition, polymerisation ...
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Oscillatory behaviour during the oxidation of methane over palladium metal catalysts
... This proposed model of oxide growth can be sup- ported from the work carried out by Voogt et al. [36], who studied the adsorption of oxygen on a Pd(1 1 1) surface and also on Pd foil, using ellipsometry, LEED, AES and ...
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Catalyst Enhanced Oxidation of VOCs and Methane in Cold-Plasma Reactors109-113
... The addition of a suitable catalyst in the discharge gap of corona discharge reactors has achieved faster rates of methane conversion and better selectivity to the desired products[r] ...
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Metagenomic Approaches Unearth Methanotroph Phylogenetic and Metabolic Diversity
... Methanotrophic microorganisms utilize methane as an electron donor and a carbon source. To date, the capacity to oxidize methane is restricted to microorganisms from three bacterial and one archaeal phyla. ...
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Biotechnological conversion of methane to methanol: evaluation of progress and potential
... Methanotroph species are now known in Proteobacteria, Verrucomicrobia and candidate phylum NC10. Proteobacteria methanotrophs are divided into two classes; Alphaproteobacteria and Gammaproteobacteria. Current ...
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Nitrate decreases methane production also by increasing methane oxidation through stimulating NC10 population in ruminal culture
... tion of nitrate in our study supported this mechanism. Another mechanism of the inhibitory effect of nitrate on methane production is the toxic function of nitrite (the first intermediate of nitrate reduction) on ...
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Methane oxidation enhancement of rice roots with stimulus to its shoots
... with sterilized purified water were placed in the widemouth bottle. Rubber stopper was equipped with gas injection inlet and a glass tube linked with a U-shape tube to supply the oxygen by facilitating the electrolysis ...
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Syntheses and coordination chemistry of new organosulfur ligands containing the tetrathioethylene unit
... Oftentimes this results from an oxidation of the comprex (i.e. Thus if one wishes to predict where this.. partial oxidation will occur, an accurate knowledge of t[r] ...
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Homogeneous Palladium(II) Mediated Oxidation of Methane126-132
... In conclusion, the selective transition metal catalysed, oxidation of methane through an electrophilic pathway under mild conditions has been demonstrated.. Note that the[r] ...
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Impacts of temperature and soil characteristics on methane production and oxidation in Arctic tundra
... Thermal contraction processes create cracks in the tundra soil, which can fill with water that freezes to produce massive ground ice (French, 2007). This ice forms wedges that cre- ate the borders of three dominant ...
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