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Showing 1 to 19 of 19 for “"Hydrocarbon oxidation"”.
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Effect of inhibitors on hydrocarbon oxidation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1961.
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Predictive kinetic modeling of low-temperature hydrocarbon oxidation
Low temperature oxidation in the gas and condensed phases has been the subject of experimental investigations for many decades owing to applications in many areas of practical significance like thermal stability, combustion, atmospheric chemistry and industrial syntheses. Owing to several practical …
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A flow reactor study of gas phase hydrocarbon oxidation
… was adapted to study the rate of formation of hydrocarbons in the low pressure, 10mmHg, Oxidation of propanal, n-butanal and iso-butanal over the temperature range 710-783K.
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CO and Hydrocarbon Oxidation on PD/Ceria-Zirconia/Alumina Three-Way Catalysts
… tailpipe emissions of carbon monoxide (CO), hydrocarbons (HCs), and nitrogen oxides (NOx) by converting these harmful and undesirable species to CO2, H2O, and N2. The oxidation behavior of CO and model hydrocarbons (propylene, acetylene, and ethylene) and performance of model TWCs is …
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Hydrocarbon oxidation in the exhaust port and runner of a spark ignition engine
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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Bioinorganic hydrocarbon oxidation : mechanistic and kinetic studies of the soluble methane monooxygenase from Methylococcus capsulates (bath)
… and Stopped-Flow Spectroscopy -- Chapter 5. Oxidation of Radical Clock Substrate Probes by the Soluble Methane Monooxygenase System -- Chapter 6. Tritiated Chiral Alkanes as Probes for the Mechanism of Hydroxylation by the Soluble Methane Monooxygenase.
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Uncertainty analysis in automatic reaction mechanism generation : neopentyl + O₂
… of building accurate chemical mechanisms for hydrocarbon oxidation systems is difficult since these mechanisms can have hundreds of species and thousands of reactions. Computer programs have recently been developed to construct these models automatically, but until this work, these programs …
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Dioxygen activation and substrate hydroxylation by the hydroxylase component of toluene/O-xylene monooxygenase from pseudomonas sporium OX1
… substrates: electrons, protons, dioxygen, and hydrocarbons. Protein component complexes control the delivery of these substrates to the diiron center in the hydroxylase ensuring selective hydrocarbon oxidation. A detailed mechanistic understanding of structural and chemical consequences of such …
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Structural investigations of hydroxylase proteins and complexes in bacterial multicomponent monooxygenase systems
… soluble methane monooxygenase (sMMO) catalyze hydrocarbon oxidation reactions at a carboxylatebridged non-heme diiron center common to many systems in biology, as discussed in the first and subsequent chapters of this document. Chapter 1 provides a summary of various relationships between …
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C-H on the Oxo Ferryl Wheel: Comparison of Pyridine and Imidazole-Substituted Ligands for C-H Activation and Functionalization
<p>The selective and efficient transformation of hydrocarbon feedstocks is of high value for industry and research. While Shilov-type organometallic methods have facilitated this goal, systems designed after nature’s use of cheap and abundant iron-based enzymes are desired for wider-scale …
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Numerical simulations of ion transport membrane oxy-fuel reactors for CO₂ capture applications
… the key features of oxygen permeation and hydrocarbon conversion in ion transport membrane (ITM) reactors. ITM reactors have been suggested as a novel technology to enable air separation and fuel conversion to take place simultaneously in a single unit. Possessing the mixed ionic and …
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Photochemical Oxidation Studies of Porphyrin Ruthenium Complexes
… important, attractive and efficient catalytic oxidation reactions. Many transition metal catalysts have been designed to mimic the predominant oxidation catalysts in nature, namely, the cytochrome P450 enzymes. Ruthenium porphyrin complexes have been the center of this research and have …
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The catalytic reduction of emissions from a natural gas fueled spark ignited engine
… Both catalysts had difficulty reducing the hydrocarbon emissions for natural gas fueling and the N Ox reduction was inadequate for both catalysts with natural gas and gasoline. Open-loop results showed marked improvement in catalyst effectiveness for NOx reduction for rich mixtures. For lean …
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Thermochemistry and kinetics in pyrolysis and oxidation reaction of oxygenate chlorocarbons, neopentane, and ortho-xylene
… for combustion or incineration of chlorinated hydrocarbons. The entropy and heat capacities from vibrational, translational, and external rotational contributions are calculated by statistical mechanics, and the hindered rotational contributions to S_{298} and C_p(T)'s are calculated by using …
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Synthesis, Kinetic and Photocatalytic Studies of Porphyrin-Ruthenium-Oxo Complexes
… a variety of important biological and catalytic oxidation reactions. Many transition metal catalysts have been designed to mimic the predominant oxidation catalysts in Nature, namely the cytochrome P450 enzymes. Ruthenium porphyrin complexes have been the center of the research and have …
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Thermochemical properties of c3 to c5 unsaturated carbonyl alkenes: enthalpies of formation, entropy, heat capacity, bond enthalpy
… and are also produced as intermediates of hydrocarbon oxidation in chemistry of the atmosphere and in combustion. These unsaturated carbonyls are common environmental pollutants, are frequently associated with adverse effects, and are considered to play an important role in human cancer. …
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Continuous synthesis of metallic and oxidic palladium nanoparticles with tunable sizes for catalytic applications
… catalytic active sites, optimal metal oxidation states and nanoparticle sizes for the different reactions, as well as understanding the dynamic behaviour of this system. Furthermore, differences between systems operating under realistic conditions using a full gas mixture, as opposed to …
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Insights into communities, metabolic and ecological potential of the bacteria of two extreme acidic environments
… locationsoriginates from the natural pyrite ore oxidation processes, the sites show a dramaticcontrast in microbial compositions, function, complexity, and diversity. The chemicalcomposition of the sites is suggestive of that of acid mine drainage (AMD) systems;however, the habitats of the Paint …
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Reaction mechanisms of hydrocarbon and mercury systems in the atmosphere and in combustion: A theoretical study of thermochemical and kinetic properties
… on smaller cyclic alkanes and ethers, and on the oxidation of mercury by the addition of halogens, in atmospheric and combustion environments. As illustrated in the combustion models developed, a fundamental understanding of the processes can enable optimization, and lead to reductions in …