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open access

Method for high temperature mercury capture from gas streams

Description: A process to facilitate mercury extraction from high temperature flue/fuel gas via the use of metal sorbents which capture mercury at ambient and high temperatures. The spent sorbents can be regenerated after exposure to mercury. The metal sorbents can be used as pure metals (or combinations of metals) or dispersed on an inert support to increase surface area per gram of metal sorbent. Iridium and ruthenium are effective for mercury removal from flue and smelter gases. Palladium and platinum ar… more
Date: April 25, 2006
Creator: Granite, E. J. & Pennline, H. W.
open access

Fail Save Shut Off Valve for Filtering Systems Employing Candle Filters

Description: The invention relates to an apparatus that acts as a fail save shut off valve. More specifically, the invention relates to a fail save shut off valve that allows fluid flow during normal operational conditions, but prevents the flow of fluids in the event of system failure upstream that causes over-pressurization. The present invention is particularly well suited for use in conjunction with hot gas filtering systems, which utilize ceramic candle filters. Used in such a hot gas system the presen… more
Date: January 3, 2006
Creator: VanOsdol, John
open access

In-Situ Containment and Extraction of Volatile Soil Contaminants

Description: The invention relates to a novel approach to containing and removing toxic waste from a subsurface environment. More specifically the present invention relates to a system for containing and removing volatile toxic chemicals from a subsurface environment using differences in surface and subsurface pressures. The present embodiment generally comprises a deep well, a horizontal tube, at least one injection well, at least one extraction well and a means for containing the waste within the waste zo… more
Date: December 27, 2005
Creator: Varvel, Mark Darrell
open access

Near-Field Magneto-Optical Microscope

Description: A device and method for mapping magnetic fields of a sample at a resolution less than the wavelength of light without altering the magnetic field of the sample is disclosed. A device having a tapered end portion with a magneto-optically active particle positioned at the distal end thereof in communication with a fiber optic for transferring incoming linearly polarized light from a source thereof to the particle and for transferring reflected light from the particle is provided. The fiber optic … more
Date: December 6, 2005
Creator: Vlasko-Vlasov, Vitalii; Welp, Ulrich & and Crabtree, George W.
open access

Method for Synthesizing Extremeley High Temperature Melting Materials

Description: The invention relates to a method of synthesizing high-temperature melting materials. More specifically the invention relates to a containerless method of synthesizing very high temperature melting materials such as borides, carbides and transition-metal, lanthanide and actinide oxides, using an Aerodynamic Levitator and a laser. The object of the invention is to provide a method for synthesizing extremely high-temperature melting materials that are otherwise difficult to produce, without the u… more
Date: November 22, 2005
Creator: Saboungi, Marie-Louise and Glorieux, Benoit
open access

Systems and Methods for Integrated Emissivity and Temperature Measurement of a Surface

Description: A multi-channel spectrometer and a light source are used to measure both the emitted and the reflected light from a surface which is at an elevated temperature relative to its environment. In a first method, the temperature of the surface and emissivity in each wavelength is calculated from a knowledge of the spectrum and the measurement of the incident and reflected light. In the second method, the reflected light is measured from a reference surface having a known reflectivity and the same ge… more
Date: November 8, 2005
Creator: Poulsen, Peter
open access

Ultrasound Analysis of Slurries

Description: An autoclave reactor allows for the ultrasonic analysis of slurry concentration and particle size distribution at elevated temperatures and pressures while maintaining the temperature- and pressure-sensitive ultrasonic transducers under ambient conditions. The reactor vessel is a hollow stainless steel cylinder containing the slurry which includes a stirrer and a N, gas source for directing gas bubbles through the slurry. Input and output transducers are connected to opposed lateral portions of… more
Date: November 1, 2005
Creator: Soong, Yee and Blackwell, Arthur G.
open access

Solid Sorbents for Removal of Carbon Dioxide from Gas Streams at Low Temperatures

Description: New low-cost CO2 sorbents are provided that can be used in large-scale gas-solid processes. A new method is provided for making these sorbents that involves treating substrates with an amine and/or an ether so that the amine and/or ether comprise at least 50 wt. percent of the sorbent. The sorbent acts by capturing compounds contained in gaseous fluids via chemisorption and/or physisorption between the unit layers of the substrate's lattice where the polar amine liquids and solids and/or polar … more
Date: June 21, 2005
Creator: Sirwardane, Ranjani V.
open access

Compression Stripping of Flue Gas with Energy Recovery

Description: A method of remediating and recovering energy from combustion products from a fossil fuel power plant having at least one fossil fuel combustion chamber, at least one compressor, at least one turbine, at least one heat exchanger and a source of oxygen. Combustion products including non-condensable gases such as oxygen and nitrogen and condensable vapors such as water vapor and acid gases such as SO<sub>X</sub> and NO<sub>X</sub> and CO<sub>2</sub> and pollutants are produced and energy is recov… more
Date: May 31, 2005
Creator: Ochs, Thomas L. & O'Connor, William K.
open access

Nuclear Storage Overpack Door Actuator and Alignment Apparatus

Description: The invention is a door actuator and alignment apparatus for opening and closing the 15,000-pound horizontally sliding door of a storage overpack. The door actuator includes a ball screw mounted horizontally on a rigid frame including a pair of door panel support rails. An electrically powered ball nut moves along the ball screw. The ball nut rotating device is attached to a carriage. The carriage attachment to the sliding door is horizontally pivoting. Additional alignment features include pre… more
Date: May 11, 2005
Creator: Andreyko, Gregory M.
open access

Method for Extracting and Sequestering Carbon Dioxide

Description: A method and apparatus to extract and sequester carbon dioxide (CO2) from a stream or volume of gas wherein said method and apparatus hydrates CO2, and reacts the resulting carbonic acid with carbonate. Suitable carbonates include, but are not limited to, carbonates of alkali metals and alkaline earth metals, preferably carbonates of calcium and magnesium. Waste products are metal cations and bicarbonate in solution or dehydrated metal salts, which when disposed of in a large body of water prov… more
Date: May 10, 2005
Creator: Rau, Gregory H. & Caldeira, Kenneth G.
open access

Real-Time Combustion Controls and Diagnostics Sensors (CCADS)

Description: The present invention is directed to an apparatus for the monitoring of the combustion process within a combustion system. The apparatus comprises; a combustion system, a means for supplying fuel and an oxidizer, a device for igniting the fuel and oxidizer in order to initiate combustion, and a sensor for determining the current conducted by the combustion process. The combustion system comprises a fuel nozzle and an outer shell attached to the combustion nozzle. The outer shell defines a combu… more
Date: May 3, 2005
Creator: Thornton, J. D.; Richard, G. A.; Dodrill, K. A.; Nutter, Jr. R. S. & Straub, D.
open access

Variable-Period Undulators for Synchrotron Radiation

Description: A new and improved undulator design is provided that enables a variable period length for the production of synchrotron radiation from both medium-energy and high energy storage rings. The variable period length is achieved using a staggered array of pole pieces made up of high permeability material, permanent magnet material, or an electromagnetic structure. The pole pieces are separated by a variable width space. The sum of the variable width space and the pole width would therefore define th… more
Date: February 22, 2005
Creator: Shenoy, Gopal; Lewellen, John; Shu, Deming & Vinokurov, Nikolai
open access

Heterodyne Interferometer with Angstrom-level Periodic Nonlinearity

Description: Displacement measuring interferometer systems and methods are disclosed. One or more acousto-optic modulators for receiving a laser light beam from a laser light source can be utilized to split the laser light beam into two or more laser light beams, while spatially separating frequencies thereof. One or more reflective mechanisms can be utilized to reflect one or more of the laser light beams back to the acoustooptic modulator. Interference of two or more of the laser light beams generally at … more
Date: January 25, 2005
Creator: Schmitz, Tony L. & Beckwith, John F.
open access

Bead and Process for Removing Dissolved Metal Contaminants

Description: A bead is provided which comprises or consists essentially of activated carbon immobilized by crosslinked poly (carboxylic acid) binder, sodium silicate binder, or polyamine binder. The bead is effective to remove metal and other ionic contaminants from dilute aqueous solutions. A method of making metal-ion sorbing beads is provided, comprising combining activated carbon, and binder solution (preferably in a pin mixer where it is whipped), forming wet beads, and heating and drying the beads. Th… more
Date: January 18, 2005
Creator: Summers, Bobby L., Jr.; Bennett, Karen L. & Foster, Scott A.
open access

Method and Appartus for Calibrating a Linear Variable Differential Transformer

Description: A calibration apparatus for calibrating a linear variable differential transformer (LVDT) having an armature positioned in au LVDT armature orifice, and the armature able to move along an axis of movement. The calibration apparatus includes a heating mechanism with an internal chamber, a temperature measuring mechanism for measuring the temperature of the LVDT, a fixture mechanism with an internal chamber for at least partially accepting the LVDT and for securing the LVDT within the heating mec… more
Date: January 18, 2005
Creator: Pokrywka, Robert J.
open access

Rotating Aperture System

Description: A rotating aperture system includes a low-pressure vacuum pumping stage with apertures for passage of a deuterium beam. A stator assembly includes holes for passage of the beam. The rotor assembly includes a shaft connected to a deuterium gas cell or a crossflow venturi that has a single aperture on each side that together align with holes every rotation. The rotating apertures are synchronized with the firing of the deuterium beam such that the beam fires through a clear aperture and passes in… more
Date: January 18, 2005
Creator: Rusnak, Brian; Hall, James M.; Shen, Stewart & Wood, Richard L.
open access

Plasma Synthesis of Lithium Based Intercalation Powders for Solid Polymer Electrolyte Batteries

Description: The invention relates to a process for preparing lithium intercalation compounds by plasma reaction comprising the steps of: forming a feed solution by mixing lithium nitrate or lithium hydroxide or lithium oxide and the required metal nitrate or metal hydroxide or metal oxide and between 10-50% alcohol by weight; mixing the feed solution with O2 gas wherein the O2 gas atomizes the feed solution into fine reactant droplets, inserting the atomized feed solution into a plasma reactor to form an i… more
Date: January 4, 2005
Creator: Kong, Peter C.; Pink, Robert J. & Nelson, Lee O.
open access

Low-Temperature Synthesis of Actinide Tetraborides by Solid-State Metathesis Reactions

Description: The synthesis of actinide tetraborides including uranium tetraboride (UB,), plutonium tetraboride (PUB,) and thorium tetraboride (ThB{sub 4}) by a solid-state metathesis reaction are demonstrated. The present method significantly lowers the temperature required to {approx_equal}850 C. As an example, when UCl{sub 4}, is reacted with an excess of MgB{sub 2}, at 850 C, crystalline UB, is formed. Powder X-ray diffraction and ICP-AES data support the reduction of UCl{sub 3}, as the initial step in t… more
Date: December 14, 2004
Creator: Lupinetti, Anthony J.; Garcia, Eduardo & Abney, Kent D.
open access

Method and Apparatus for Atomizing Fluids with a Multi-Fluid Nozzle

Description: The invention relates to a method and apparatus for atomizing liquids. In particular, the present invention relates to a method and apparatus for atomizing heavy hydrocarbon fuels such as diesel, as part of a fuel reforming process. During normal operating conditions the fuel is atomized by a high pressure fluid. Under start-up conditions when only a low pressure gas is available the fuel films across part of the nozzle and is subsequently atomized by a radially directed low pressure dispersion… more
Date: December 7, 2004
Creator: Novick, Vincent J. & Ahluwalia, Rajesh K.
open access

Closure Mechanism and Method for Spent Nuclear Fuel Canisters

Description: A canister is provided for storing, transporting, and/or disposing of spent nuclear fuel. The canister includes a canister shell, a top shield plug disposed within the canister, and a leak-tight closure arrangement. The closure arrangement includes a shear ring which forms a containment boundary of the canister, and which is welded to the canister shell and top shield plug. An outer seal plate, forming an outer seal, is disposed above the shear ring and is welded to the shield plug and the cani… more
Date: November 23, 2004
Creator: Doman, Marvin J.
open access

Method of Evaluating, Expanding, and Collapsing Connectivity Regions Within Dynamic Systems

Description: An automated process defines and maintains connectivity regions within a dynamic network. The automated process requires an initial input of a network component around which a connectivity region will be defined. The process automatically and autonomously generates a region around the initial input, stores the region's definition, and monitors the network for a change. Upon detecting a change in the network, the effect is evaluated, and if necessary the regions are adjusted and redefined to acc… more
Date: November 16, 2004
Creator: Bailey, David A.
open access

Use of Phosphates to Reduce Slag Penetration in CR203-Based Refractories

Description: A high-chromium refractory material that provides improved resistance to coal slag penetration is presented. The refractory mixture comprises a blend of chromium oxide, aluminum oxide and phosphates. The refractory mixture may be blended with an aggregate and cured. In addition a phosphorus oxide may be blended with chromium oxide and aluminum oxide and additionally an aggregate. The refractory mixture reduces the rate of coal slag penetration into the surface of the cured refractory.
Date: November 9, 2004
Creator: Kwong, Kyei-Sing; Dogan, Cynthia P.; Bennett, James P.; Chinn, Richard E. & Petty, Arthur V.
open access

Self-Anchoring Mast for Deploying a High-Speed Submersible Mixer in a Tank

Description: A self-anchoring mast for deploying a high-speed submersible mixer in a tank includes operably connected first and second mast members (20, 22) and a foot member 46 operably connected to the second mast member for supporting the mast in a tank. The second mast member includes a track (36, 38) for slidably receiving a bearing of the mixer to change the orientation of the mixer in the tank.
Date: October 12, 2004
Creator: Cato, Joseph E. Jr.; Shearer, Paul M. & Rodwell, Philip 0.
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