Browsing by Author "Anthony, Rayford G."
Now showing items 1-20 of 34
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Acidity and catalytic activity of zeolite catalysts bound with silica and alumina
Wu, Xianchun (Texas A&M University, 2004-09-30)Zeolites ZSM-5 (SiO2/Al2O3=30~280) and Y(SiO2/Al2O3=5.2~80) are bound with silica gel (Ludox HS-40 and Ludox AS-40) and alumina (γ- Al2O3 and boehmite) by different binding methods, namely, gel-mixing, powder-mixing and ... -
Applications of hydrogenation and dehydrogenation on noble metal catalysts
Wang, Bo (2009-05-15)Hydrogenation and dehydrogenation on Pd- and Pt- catalysts are encountered in many industrial hydrocarbon processes. The present work considers the development of catalysts and their kinetic modeling along a general and ... -
The catalytic behaviors of lanthanum and neodymium oxides for dehydrogenation/dehydration of ethanol
Koprowski, Robert John (Texas A&M University. Libraries, 1985)The ethanol dehydrogenation and dehydration reactions have been employed to investigate the nature and behavior of catalytically active sites on lanthanum and neodymium sesquioxides. In support of this objective, x-ray ... -
Catalytic hydrogenation of an aromatic sulfonyl chloride into thiophenol
Rouckout, Nicolas Julien (2009-05-15)The catalytic hydrogenation of an aromatic sulfonyl chloride was investigated in continuous and semi-batch mode processes using a Robinson-Mahoney stationary basket reactor. A complete experimental unit was designed and ... -
Catalytic oxidative dimerization of methane
Lin, Chiu-Hsun (Texas A&M University. Libraries, 1987)The results of this research indicate that [M⁺O⁻] centers (M = Group IA ions) in Group IA/Group IIA oxides are responsible for the catalytic production of CH₃[superscript dot] radicals from CH₄ through hydrogen atom ... -
Cationic Ruthenium Catalysts for Olefin Hydrovinylation
Sanchez, Richard P., Jr (2010-01-14)Stereoselective carbon?carbon bond formation is one of the most important types of bond construction in organic chemistry. A mild and acid free catalyst system for the hydrovinylation reaction utilizing a cationic, ruthenium ... -
A continuous-lumped phase-equilibrium model for complex multiphase reactions
Moore, Patrick Kevin (Texas A&M University. Libraries, 1988)The accurate prediction of phase equilibrium is vital to the modeling of many complex, multiphase reaction mixtures. Phase-equilibrium calculations for such mixtures often become computationally intensive due to the large ... -
Conversion of methanol to light olefins on SAPO-34: kinetic modeling and reactor design
Al Wahabi, Saeed M. H. (Texas A&M University, 2005-02-17)In this work, the reaction scheme of the MTO process was written in terms of elementary steps and generated by means of a computer algorithm characterizing the various species by vectors and Boolean relation matrices. The ... -
Conversion of synthesis gas to isobutylene over precipitated zirconia based catalysts
Postula, Walter Stanley (Texas A&M University. Libraries, 1994)Recent amendments to the Clean Air Act have renewed interest in synthesizing isobutylene from coal derived synthesis gas for use in producing methyl tertiary-butyl ether. Previous work on isosynthesis was performed at ... -
Effect of potassium and copper promoters on reduction behavior of precipitated iron catalysts
Li, Chiuping (Texas A&M University. Libraries, 1988)Precipitated iron catalysts were characterized using temperature-programmed methods, isothermal reduction, and X-ray photoelectron spectroscopy to study the influence of copper and potassium promoters on reduction behavior ... -
Ethylbenzene dehydrogenation into styrene: kinetic modeling and reactor simulation
Lee, Won Jae (Texas A&M University, 2007-04-25)A fundamental kinetic model based upon the Hougen-Watson formalism was derived as a basis not only for a better understanding of the reaction behavior but also for the design and simulation of industrial reactors. Kinetic ... -
An integrated methodology for optimum operation and economic capacity expansion of stochastic multi-facility systems
Hasan, SayeedThe objective of this research is to develop a computer methodology for optimum operating criteria and economic capacity expansion decisions for large multi-facility systems with stochastic inputs and demands. This work ... -
Ion exchange kinetics of cesium for various reaction designs using crystalline silicotitanate, UOP IONSIV IE-911
Kim, Sung Hyun (Texas A&M University, 2004-09-30)Through collaborative efforts at Texas A&M University and Sandia National Laboratories, a crystalline silicotitanate (CST), which shows extremely high selectivity for radioactive cesium removal in highly concentrated sodium ... -
The ion-exchange and catalytic properties of titanium phosphates and mixed titanium-zirconium phosphates
Frianeza, Teresita Naila de la Cueva (Texas A&M University. Libraries, 1980)[alpha]-Titanium phosphate, Ti(HPO4)2 * H2O, has layered structure isomorphous with [alpha]-zirconium phosphate, Zr(HPO4)2 * H2O. Thus, solid solutions of the two compounds were prepared and their properties correlated ... -
Kinetic modeling of the hydrotreatment of light cycle oil/diesel
Castaneda-Lopez, Luis Carlos (2009-05-15)A rigorous kinetic model of hydrodesulfurization (HDS) of complex mixtures such as light cycle oil (LCO) or diesel has been developed. An experimental setup was constructed to investigate the hydrotreatment of complex ... -
Mechanisms of transition-metal catalyzed additions to olefins
Nowlan, Daniel Thomas (Texas A&M University, 2005-08-29)Transition metal catalyzed reactions have an important place in synthetic chemistry, but the mechanistic details for many of these reactions remain undetermined. Through a combination of experimentally determined 13C kinetic ... -
Mechanistic kinetic modeling of the hydrocracking of complex feedstocks
Kumar, Hans (2009-05-15)Two separate mechanistic kinetic models have been developed for the hydrocracking of complex feedstocks. The first model is targeted for the hydrocracking of vacuum gas oil. The second one addresses specifically the ... -
Metal-Catalyzed Carbon-Carbon Bond Forming Reactions for the Synthesis of Significant Chiral Building Blocks
Bugarin Cervantes, Alejandro (2011-08-08)Morita Baylis-Hillman (MBH) reaction a carbon-carbon bond forming reaction between an α,β-unsaturated carbonyl and aldehydes or activated ketones in the presence of a nucleophilic catalyst. The MBH reaction is an ... -
Method for converting natural gas to liquid hydrocarbons
Hall, Kenneth R.; Bullin, Jerry A.; Eubank, Philip T.; Akgerman, Aydin; Anthony, Rayford G. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2000-10-10)A process for converting natural gas to a liquid includes heating the gas to a selected range of temperature to convert a fraction of the gas stream to reactive hydrocarbons, primarily acetylene, and reacting methane and ... -
Method for converting natural gas to liquid hydrocarbons
Hall, Kenneth R.; Bullin, Jerry A.; Eubank, Philip T.; Akgerman, Aydin; Anthony, Rayford G. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2003-08-05)A process for converting natural gas to a liquid includes heating the gas to a selected range of temperature to convert a fraction of the gas stream to reactive hydrocarbons, primarily ethylene or acetylene, and reacting ...