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  • All fields: Chemical Engineering
(280 results)



Display: 20

    • Biofilm Removal Using Bubbles and Sound

    • Biofilm Removal Using Bubbles and Sound

    • biofilm, bacteria, Streptococcus mutans, bubbles, sound, acoustic waves, angle

    • Bacteria in biofilms adhere well to surfaces and are quite difficult to remove. Oral plaque is one example of a biofilm. Many researchers have studied ways to remove plaque and bacteria from surfaces. It has been found that the passage of a...
    • ETD
    • Generation of Biomarkers from Anthrax Spores by Catalysis and Analytical Pyrolysis

    • Generation of Biomarkers from Anthrax Spores by Catalysis and Analytical Pyrolysis

    • anthrax, detection, biomarker, spore, analytical pyrolysis, pyrolysis, thermal pyrolysis, pyrolyzer, nanocluster, colloidal, catalysis, catalytic, platinum, nickel, thermal hydrolysis-methylation, THM

    • Anthrax spores, in weaponized form, are dangerous biological warfare agents. Handheld technology for the rapid detection of anthrax is greatly needed to improve national security. Methods to detect anthrax spores are diverse, with most taking at...
    • ETD
    • Properties Model for Aqueous Sodium Chloride Solutions near the Critical Point of Water

    • Properties Model for Aqueous Sodium Chloride Solutions near the Critical Point of Water

    • aqueous solution, critical point, Helmholtz energy, apparent molar volume, heat of dilution, apparent isobaric molar heat capacity

    • Traditional excess Gibbs energy models in terms of temperature, pressure, and concentration become progressively less effective in describing the thermodynamics of aqueous solutions at temperatures above 300 ¢ªC, and are totally inadequate in the...
    • ETD
    • A New Method for the Rapid Calculation of Finely-Gridded Reservoir Simulation Pressures

    • A New Method for the Rapid Calculation of Finely-Gridded Reservoir Simulation Pressures

    • reservoir simulation pressures, finely-gridded, finite-difference equations, physics of flow, nested-grid, oil reservoir simulation, fine-grid, coarse-grid, optimal, GMRES, SOR, accurate, pressure solution

    • A new method for the determination of finely-gridded reservoir simulation pressures has been developed. It is estimated to be as much as hundreds to thousands of times faster than other methods for very large reservoir simulation grids. The method...
    • ETD
    • Poisoning and Sulfation on Vanadia SCR Catalyst

    • Poisoning and Sulfation on Vanadia SCR Catalyst

    • vanadia catalyst, SCR, deactivation, poisoing, NH3 adsorption, NO adsorption, sulfation

    • Deactivation of titania-supported vanadia commercial SCR catalysts exposed to flue gases from both coal and coal-biomass co-firing boilers were investigated. BET surface area and average pore diameter measurements on both fresh and exposed...
    • ETD
    • Autologous Fibrinogen Purification and Concentration For Use in Fibrin Sealant

    • Autologous Fibrinogen Purification and Concentration For Use in Fibrin Sealant

    • fibrinogen, fibrin sealant, tensile strength, adhesion strength, kinetic, blood loss, hemostatic efficacy, rat model

    • Fibrinogen concentrates are used widely as a sealant during and after surgery to reduce blood loss. Commercially available fibrin sealants are made from pooled human blood, which carries the risk of blood-borne diseases, and are expensive. These...
    • ETD
    • Black Liquor Droplet Combustion and Modeling

    • Black Liquor Droplet Combustion and Modeling

    • black liquor, combustion, modeling, droplet, boundary layer thickness

    • Black liquor is an intermediate product of pulp production. Recovery boilers process black liquor to recover the inorganic material for recycling in the mill and to generate electricity and steam for the paper mill. Black liquor droplet combustion...
    • ETD
    • Modeling and Data Analysis of Conductive Polymer Composite Sensors

    • Modeling and Data Analysis of Conductive Polymer Composite Sensors

    • chemical sensor, chemiresistor, sensor array, conductive polymer composite sensor, model, polymer selection method, activity measurement

    • Conductive polymer composite sensors have shown great potential in identifying gaseous analytes. To more thoroughly understand the physical and chemical mechanism of this type of sensors, a model was developed by combining two sub-models: a...
    • ETD
    • Statistical Methods For Kinetic Modeling Of Fischer Tropsch Synthesis On A Supported Iron Catalyst

    • Statistical Methods For Kinetic Modeling Of Fischer Tropsch Synthesis On A Supported Iron Catalyst

    • fischer tropsch synthesis, bootstrap method, d optimal, computer generated experimental designs, kinetic model, statistical experimental design, kinetic model, boottstrap resampling, slurry-bubble column, supported iron catalyst, nonlinear least...

    • Fischer-Tropsch Synthesis (FTS) is a promising technology for the production of ultra-clean fuels and chemical feedstocks from biomass, coal, or natural gas. Iron catalysts are ideal for conversion of coal and biomass. However, precipitated iron...
    • ETD
    • A Plastic-Based Thick-Film Li-Ion Microbattery for...

    • A Plastic-Based Thick-Film Li-Ion Microbattery for Autonomous Microsensors

    • lithium, lithium-ion, microbattery, microsensor, hybrid power, micropower, thick-film, COC, screen print

    • This dissertation describes the development of a high-power, plastic-based, thick-film lithium-ion microbattery for use in a hybrid micropower system for autonomous microsensors. A composite porous electrode structure and a liquid state...
    • ETD
    • High-Frequency Ultrasound Drug Delivery and Cavitation

    • High-Frequency Ultrasound Drug Delivery and Cavitation

    • drug delivery, doxorubicin, cavitation, pluronic micelles, ultrasound, bubble dynamics, chaos, bifurcation, fluorescence, acoustic spectroscopy

    • The viability of a drug delivery system which encapsulates chemotherapeutic drugs (Doxorubicin) in the hydrophobic core of polymeric micelles and triggers release by ultrasound application was investigated at an applied frequency of 500 kHz. The...
    • ETD
    • Separate and Joint Analysis of Longitudinal and Survival Data

    • Separate and Joint Analysis of Longitudinal and Survival Data

    • Bayesian Hierarchical Models, longitudinal, survival, joint modeling of longitudinal and survival data,, mixed model, SAS, WinBUGS

    • Chemotherapy is a method used to treat cancer but it has a number of side-effects. Research conducted by the Department of Chemical Engineering at BYU involves a new method of administering chemotherapy using ultrasound waves and water-soluble...
    • ETD

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